Swift
Andrew Swift, Uttoxeter GB
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20110142648 | ENGINE ARRANGEMENT - An engine arrangement has a gear assembly that drives a first propeller assembly. The gear assembly is driven by a power drive shaft that joins to the gear assembly at a first side. The engine arrangement has a static conduit that extends along a longitudinal internal cavity of the power drive shaft. The conduit penetrates the gear assembly such that a portion of the conduit projects from an opposing second side of the gear assembly. The engine arrangement has one or more first fluid supply lines routed along the static conduit between a hydraulic pressure power source and the first hydraulic actuator. A first hydraulic rotating coupling is mounted to the projecting portion of the static conduit. The first fluid supply lines fluidly communicate with the first hydraulic actuator via the first rotating coupling. | 06-16-2011 |
20110164978 | BACK-UP FEATHERER - A back-up featherer is provided for an engine arrangement having a main hydraulic actuator which angularly displaces propellers of a propeller assembly of the engine arrangement. The back-up featherer has a back-up hydraulic actuator for angular displacement of the propellers, the back-up hydraulic actuator rotating with the propeller assembly. The back-up featherer further has one or more back-up fluid supply lines for transferring hydraulic fluid between a hydraulic pressure power source located on a static structure of the engine arrangement and the back-up hydraulic actuator. The back-up featherer further has a back-up hydraulic rotating coupling, the back-up fluid supply lines fluidly communicating with the back-up hydraulic actuator via the back-up rotating coupling. A static side of the back-up hydraulic rotating coupling is mounted to the static structure of the engine arrangement, and a rotating side of the back-up hydraulic rotating coupling rotates with the propeller assembly. | 07-07-2011 |
20110164980 | PROPELLER ASSEMBLY PITCH CHANGE APPARATUS - A pitch change apparatus is provided for a propeller assembly having a row of propeller blades which rotate around an axis of the assembly. The apparatus has a unison ring which is coaxial with the propeller assembly. The unison ring is movable to drive respective mechanisms for varying the pitch of the blades. The apparatus further has a plurality of pitch lock assemblies circumferentially distributed around the unison ring. Each pitch lock assembly has a free state which allows movement of the unison ring and a locked state which prevents or limits movement of the unison ring and thus prevents or limits variation of the pitch of the blades. The pitch lock assembly moves from the free to the locked state when the assembly receives a signal to lock the blades. | 07-07-2011 |
20110164998 | PITCH CHANGE APPARATUS - A pitch change apparatus comprises a hydraulic actuator for angular displacement of propellers of the propeller assembly. The hydraulic actuator has a piston and cylinder arrangement which defines fine and coarse fluid chambers. Increasing the volume of the fine chamber at the expense of the coarse chamber results in angular displacement of the propellers to a finer pitch. Increasing the volume of the coarse chamber at the expense of the fine chamber results in angular displacement of the propellers to a coarser pitch. The pitch change apparatus further comprises one or more fine hydraulic lines carrying hydraulic fluid to and from the fine chamber, and a coarse hydraulic line carrying hydraulic fluid to and from the coarse chamber. The apparatus further comprises a pressure-sensing check valve which fluidly isolates the coarse chamber from the coarse hydraulic line if the pressure in the coarse hydraulic line falls below a threshold pressure. | 07-07-2011 |
20110171030 | BACK-UP FEATHERER - A back-up featherer for an engine arrangement having a main hydraulic actuator which angularly displaces propellers of a propeller assembly of the engine arrangement, and fluid supply lines for transferring hydraulic fluid between a hydraulic pressure power source located on a static structure of the engine arrangement and the main hydraulic actuator. The back-up featherer has a back-up actuator assembly for angular displacement of the propellers, the back-up actuator assembly rotating with the propeller assembly, a signal detector operatively connected to the back-up actuator assembly and rotates with the propeller assembly, and a back-up rotating coupling. A static side of the back-up rotating coupling is mounted to the static structure of the engine arrangement and communicates with a regulator located on a static structure of the engine arrangement. A rotating side of the back-up hydraulic rotating coupling rotates with the propeller assembly and communicates with the signal detector. | 07-14-2011 |
20110274544 | PITCH CONTROL MECHANISM - A pitch control mechanism for controlling the pitch of propeller assembly propellers has a hydraulic actuator, main hydraulic fluid supply lines, first back-up hydraulic fluid supply lines, and second back-up hydraulic fluid supply lines. The hydraulic actuator has first and second hydraulic cylinders that each angularly displace the propellers between fine and coarse positions. The main hydraulic fluid supply lines supply fluid to the first and second hydraulic cylinders for operating the hydraulic cylinders. The first back-up hydraulic fluid supply lines supply fluid to the hydraulic cylinder for displacing the propellers to a coarser position. The second back-up hydraulic fluid supply lines supply fluid to the second hydraulic cylinder for displacing the propellers to a coarser position. When the main hydraulic fluid supply lines supply inadequate fluid, the first and/or second back-up hydraulic fluid supply lines can supply fluid for displacing the propellers to a coarser position. | 11-10-2011 |
20110274546 | BACK-UP FEATHERER - A back-up featherer is provided for an engine arrangement having a main hydraulic actuator which operates a pitch change mechanism to angularly displace propellers of a propeller assembly of the engine arrangement, the pitch change mechanism and main hydraulic actuator rotating with the propeller assembly. The back-up featherer has one or more back-up hydraulic actuators located on a static structure of the engine arrangement. The back-up featherer further has one or more load application members which are located on the static structure of the engine arrangement and which are movable by the back-up hydraulic actuators. When moved by the back-up hydraulic actuators, the load application members bear against an engagement portion of the pitch change mechanism across a rotating interface formed therebetween to apply a load to the pitch change mechanism which results in angular displacement of the propellers. | 11-10-2011 |
20140248142 | GAS TURBINE ENGINE IMPELLER SYSTEM FOR AN INTERMEDIATE PRESSURE (IP) COMPRESSOR - A gas turbine engine includes a compressor assembly that is rotationally coupled to a shaft, the compressor assembly having a centrifugal impeller and a shroud covering a bladed portion of the centrifugal impeller. The compressor assembly includes a diffuser that is attached to the shroud via a pair of flanges, the diffuser including a strut that is mounted through an aft-extending leg to a base of an intercase. A sealing assembly is attached to the diffuser and is attachable to a transition duct that is positioned to receive air from the diffuser. The sealing assembly is configured to prevent air from passing through the sealing assembly while allowing relative motion to occur between the transition duct and the diffuser. | 09-04-2014 |
20140255181 | GAS TURBINE ENGINE DIFFUSER SYSTEM FOR A HIGH PRESSURE (HP) COMPRESSOR - A gas turbine engine includes a compressor assembly that is rotationally coupled to a shaft. The engine includes a radial diffuser assembly coupled to a shroud of the compressor assembly and positioned to receive compressed air from a centrifugal impeller. The radial diffuser assembly includes a first arcuate wall and a second wall, and a near axial diffuser coupled to the radial diffuser assembly and positioned to receive the compressed air from the radial diffuser assembly. The gas turbine includes a gas seal coupled between the second wall and a wall of the near axial diffuser, the gas seal configured to prevent the compressed air from passing through the seal while allowing relative motion between the radial diffuser assembly and the near axial diffuser. | 09-11-2014 |
Bonita Susan Swift, Calgary CA
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20090142137 | ASSESSMENT AND REMEDIATION PROCESS FOR CONTAMINATED SITES - Process for assessing and remediation of a contaminated site comprising the steps of assessing the contaminated soil and/or groundwater at a contaminated site involving geophysical scans of the contaminated site and pH, microbial, salinity and metal testing of the soil and/or water contained in the site or other site specific parameters. Remediation of the soil and/or water at the site insitu is followed involving electro-kinetics of the contaminated site. Water testing is carried out during remediation to determine the effect of remediation. Following remediation, an assessment of the remediated soil and water involves electromagnetic scans of the contaminated site as well as pH, microbial, salinity and metal testing of the soil and water contained in the site Once the results of all tests are analysed, the electro-kinetic remediation can be deemed successful or optimized and continued for an extended duration. Effluent water collected from electrodes during remediation can be treated using electrodialysis or suitable technology and then used to flush the vadose zone or reinjected into the groundwater zone the water was extracted from. | 06-04-2009 |
Darci Louise Swift, Tuckton GB
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20100005400 | SYSTEM, METHOD, AND PROGRAM PRODUCT FOR IDENTIFYING AND PROVIDING SUGGESTIONS - A system, method, and program product for identifying and providing suggestions includes registering information of a behavior of a user in an environment within a domain. Behavior processes identify the behavior, identify an item associated with the behavior, identify an identity of the user, and store the identified information. Task processes prepare a suggestion list using the information and a stored configuration. A participant account in the environment requests suggestions to serve to the user where the participant account belongs to a participant belonging to a group of affiliated participants. Suggestion processes identify a request item, identify the identity of the user and attributes associated with the request, aggregate suggestions using the stored configuration and a suggestion list set, and record served suggestions. The participant account receives the served suggestions where the participant account can offer the served suggestions on behalf of an affiliated participant. | 01-07-2010 |
Glenn William Swift, Winnipeg CA
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20100254056 | EFFICIENT METHOD FOR CALCULATING THE DOT PRODUCT IN FAULT DETECTION ALGORITHMS - A method of electrical fault determination using the phase angle information of all the currents entering and leaving a protection zone, to determine whether a fault, if any, is internal or external to the protection zone. | 10-07-2010 |
Graham John Swift, Stevenage GB
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20120135055 | Dry Powder Inhaler Formulations - A dpi formulation comprises a solvate of beclomethasone and is substantially free of excipient and free of carrier. The solvate particles are of size 0.5 to 10 microns and are obtained by crystallization of the steroid in the presence of ultrasound. | 05-31-2012 |
20120148638 | Steroid Solavates - A dpi formulation comprises a solvate of beclomethasone with a non-cyclic, straight or branched C | 06-14-2012 |
Graham John Swift, Stevanage GB
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20110045086 | Steroid Nebuliser Formulation - A nebulizer formulation comprises particles of size 0.5-3 microns obtained by crystallization of beclomethasone diproprionate monohydrate in the presence of ultrasound. | 02-24-2011 |
John Swift, King City CA
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20110192393 | BUILDING-INTEGRATED SOLAR THERMAL MICRO-CHANNEL ABSORBER AND METHOD OF MANUFACTURING THEREOF - A device and method of its production for a micro-channel thermal absorber to be used as a solar thermal collector, heat collector, or heat dissipater, extruded or continuously cast in one piece or in modular segments from a metal, plastic, or glass and assembled into panels of different structures seamlessly integrated into the envelope of a building as covering layers or structural elements. The micro-channel thermal absorber comprises an active plate, a back plate adjacent to the active plate, and a plurality of micro-channel walls arranged substantially perpendicular to the active plate and the back plate to define a plurality of fluid transport micro-channels configured to allow fluid flow there-along, wherein the micro-channel walls constitute supporting elements between the active plate and the back plate to provide structure. | 08-11-2011 |
Jonathan C. Swift, Cambridge GB
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20080201927 | Crimped/swaged-on tubing termination apparatus, systems and methods - A tubing termination comprises a termination portion adapted to make a fluid connection and a tube attachment portion, adapted to receive a tube and to be crimped or swaged. The tube attachment portion comprises a retention mechanism that is adapted to be manipulated during crimping or swaging to bite the tube so as to lock the tube attachment portion relative to the tube. This retention mechanism may take the form of a deformable bite ring, a deflectable c-insert, irregularities defined on an inner surface of the tube attachment portion, and/or the like. The tube attachment portion also may include a resilient sealing mechanism adapted to provide a seal between the tube and the tube attachment portion, and thereby a fluid-tight connection between the tube and the termination portion. | 08-28-2008 |
Karl Swift, Gloucestershire GB
Lance Ian Swift, Sydney AU
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20150374944 | RESPIRATORY APPARATUS - A mask apparatus for a respiratory treatment can permit delivery of breathable gas to a user. In one example, the mask may employ a frame and cushion to form a seal for both mouth and nose. The frame may be adapted for coupling with a respiratory treatment apparatus so as to permit communication of a pressurized gas from the respiratory treatment apparatus. The cushion, which may be foam, may have a substantially under the nose configuration or over the nose configuration. The mask may have a common plenum chamber for both nose and mouth. The cushion may further define a centrally open lip superior region. The cushion may be adapted to couple with the frame directly or to the frame in conjunction with a cushion support clip. Various features of the cushion may further promote sealing and comfort for the under the nose design. | 12-31-2015 |
20160106945 | MASK ASSEMBLY SUPPORTING ARRANGEMENTS - A mask assembly includes nasal interface, e.g., in the form of a pair of nozzles, at least one joining portion provided to each side of the nasal interface, and a headgear coupled or otherwise provided to or extending from the joining portion, that is looped around the patient's ears. The joining portion is small and compact and may be readily affixed to an existing nasal arrangement, i.e., retrofitted. The joining portion and the headgear can be formed in separate components, or they can be formed as an integral or one-piece arrangement. | 04-21-2016 |
Lance Ian Swift, Randwick AU
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20120304999 | MASK ASSEMBLY SUPPORTING ARRANGEMENTS - A mask assembly includes nasal interface, e.g., in the form of a pair of nozzles, at least one joining portion provided to each side of the nasal interface, and a headgear coupled or otherwise provided to or extending from the joining portion, that is looped around the patient's ears. The joining portion is small and compact and may be readily affixed to an existing nasal arrangement, i.e., retrofitted. The joining portion and the headgear can be formed in separate components, or they can be formed as an integral or one-piece arrangement. | 12-06-2012 |
20140102456 | AIR DELIVERY CONDUIT - An air delivery conduit ( | 04-17-2014 |
Luke Tyler Swift, Kent, WA US
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20160082526 | ROTARY CUTTER FOR MACHINING MATERIALS - A rotary cutting tool. The tool has a body with outside diameter (OD), and outer surface, and a longitudinal axis, a plurality of flutes, helical in some embodiments. Flutes include a narrow leading edge land portion with circular segment profile and having flute cutting edge portions along a substantially uniform circumferential location, with an eccentric relief margin rotationally rearward of the narrow leading edge land portions. Face portions are provided with face cutting edge portions, and with a first dish portion adjacent each of the cutting edge portions sloping inwardly and downwardly generally toward a central longitudinal axis at a first dish angle alpha (α) Corner blend portions extend from flute cutting edge portions to the face cutting edge portions. Corner blend portions are provided in a variety of profiles, including an embodiment wherein the profile of the corner blend portions are truncated before the segment of curvature becomes tangential to the face cutting edge portions. Large core diameters of cutting tools are provided, which gives high strength at when working with axial depths of cut of about three times outside tool diameter or less. | 03-24-2016 |
Mark Swift, Queensbury GB
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20110303483 | FLOATING DEVICE PROVIDING NOISE REDUCTION PROPERTIES - The present invention relates to a floating noise reduction system for moving and/or falling fluids, the process for manufacturing of such system and the use of such system. | 12-15-2011 |
Mark Swift, London GB
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20150142442 | IDENTIFYING A CONTACT - A method of identifying a contact in a communication system using voice input, the method comprising: receiving an input string of characters, the input string representing a contact and being normally unpronounceable by a human voice when spoken literally; performing at least one transforming step to transform at least one character of the input string to thereby generate a pronounceable name for the contact; and outputting the pronounceable name for use in establishing a communication event with the contact using voice input. | 05-21-2015 |
Mark Robert Swift, Surrey GB
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20150281157 | Delivering an Action - A method implemented during a communication event between a plurality of user devices over a communication network, the method comprising: identifying a first co-operating element in a first message transmitted from one of said user devices; identifying a second co-operating element in a second message transmitted from one of said user devices; querying a memory to identify an action associated with the combination of the first and at least the second co-operating element; and transmitting a message to each of the plurality of user devices to cause delivery of the action using output means at the plurality of user devices. | 10-01-2015 |
Mary Diane Swift, Rochester, NY US
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20160125502 | Travel Itinerary Recommendation Engine Using Inferred Interests and Sentiments - Travel itineraries are automatically prepared based upon user interests and sentiments inferred by deep semantic analysis of user-commented and user-preferred digital works of literature by receiving interests and associated sentiment levels for at least one user according to a deep semantic analysis of a plurality of works of literature, wherein the works of literature have been rated, commented, or both rated and commented by the user; searching repositories of travel items to find one or more matching travel items to the received more interests and associated sentiment levels; and preparing at least one travel itinerary including at least one found matching travel item. Travel itineraries may be prepared responsive to a user-initiated trip planning session, responsive to notification of a new travel item's availability, periodically, or a combination thereof. | 05-05-2016 |
Michael P. Swift, Nottingham GB
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20100163375 | Switch - A switch comprising a first contact on a support surface, a switch housing sealingly secured to the support surface around the first contact to form a hermetically sealed chamber about the first contact, and a second contact movable in the chamber towards and away from the first contact, wherein the support surface is provided on a support having two or more protrusions protruding from the support surface and received in apertures formed in the switch housing to locate the switch housing relative to the first contact. | 07-01-2010 |
Nick Swift, Reading GB
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20100312667 | METHODS AND APPARATUS FOR CONDUCTING ELECTRONIC TRANSACTIONS - A system and method for conducting electronic commerce are disclosed. In various embodiments, the electronic transaction is a purchase transaction. A user is provided with an intelligent token, such as a smartcard containing a digital certificate. The intelligent token suitably authenticates with a server on a network that conducts all or portions of the transaction on behalf of the user. In various embodiments a wallet server interacts with a security server to provide enhanced reliability and confidence in the transaction. In various embodiments, the wallet server includes a toolbar. In various embodiments, the digital wallet pre-fills forms. Forms may be pre-filled using an auto-remember component. | 12-09-2010 |
20120240227 | METHODS AND APPARATUS FOR CONDUCTING ELECTRONIC TRANSACTIONS - A system and method for conducting electronic commerce are disclosed. In various embodiments, the electronic transaction is a purchase transaction. A user is provided with an intelligent token, such as a smartcard containing a digital certificate. The intelligent token suitably authenticates with a server on a network that conducts all or portions of the transaction on behalf of the user. In various embodiments a wallet server interacts with a security server to provide enhanced reliability and confidence in the transaction. In various embodiments, the wallet server includes a toolbar. In various embodiments, the digital wallet pre-fills forms. Forms may be pre-filled using an auto-remember component. | 09-20-2012 |
20120253978 | METHODS AND APPARATUS FOR CONDUCTING ELECTRONIC TRANSACTIONS - A system and method for conducting electronic commerce are disclosed, In various embodiments, the electronic transaction is a purchase transaction. A user is provided with an intelligent token, such as a smartcard containing a digital certificate. The intelligent token suitably authenticates with a server on a network that conducts all or portions of the transaction on behalf of the user. In various embodiments a wallet server interacts with a security server to provide enhanced reliability and confidence in the transaction. In various embodiments, the wallet server includes a toolbar. In various embodiments, the digital wallet pre-fills forms. Forms may be pre-filled using an auto-remember component. | 10-04-2012 |
20120259734 | METHODS AND APPARATUS FOR CONDUCTING ELECTRONIC TRANSACTIONS - A system and method for conducting electronic commerce are disclosed. In various embodiments, the electronic transaction is a purchase transaction. A user is provided with an intelligent token, such as a smartcard containing a digital certificate. The intelligent token suitably authenticates with a server on a network that conducts all or portions of the transaction on behalf of the user. In various embodiments a wallet server interacts with a security server to provide enhanced reliability and confidence in the transaction. In various embodiments, the wallet server includes a toolbar. In various embodiments, the digital wallet pre-fills forms. Forms may be pre-filled using an auto-remember component. | 10-11-2012 |
20120265690 | METHODS AND APPARATUS FOR CONDUCTING ELECTRONIC TRANSACTIONS - A system and method for conducting electronic commerce are disclosed. In various embodiments, the electronic transaction is a purchase transaction. A user is provided with an intelligent token, such as a smartcard containing a digital certificate. The intelligent token suitably authenticates with a server on a network that conducts all or portions of the transaction on behalf of the user. In various embodiments a wallet server interacts with a security server to provide enhanced reliability and confidence in the transaction. In various embodiments, the wallet server includes a toolbar. In various embodiments, the digital wallet pre-fills forms. Forms may be pre-filled using an auto-remember component. | 10-18-2012 |
20120271771 | METHODS AND APPARATUS FOR CONDUCTING ELECTRONIC TRANSACTIONS - A system and method for conducting electronic commerce are disclosed. In various embodiments, the electronic transaction is a purchase transaction. A user is provided with an intelligent token, such as a smartcard containing a digital certificate. The intelligent token suitably authenticates with a server on a network that conducts all or portions of the transaction on behalf of the user. In various embodiments a wallet server interacts with a security server to provide enhanced reliability and confidence in the transaction. In various embodiments, the wallet server includes a toolbar. In various embodiments, the digital wallet pre-fills forms. Forms may be pre-filled using an auto-remember component. | 10-25-2012 |
Patrick Swift, Victoria AU
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20100060944 | METHODS OF PROTECTING SECURITY DOCUMENTS FROM COUNTERFEITING - A method of protecting a security document from counterfeiting includes applying at least one security element containing a concealed Fourier pattern to the document. The concealed Fourier pattern is produced from a master Fourier profile, and is applied to the document by embossing, engraving, laser ablation or chemical etching, and/or by a cylinder or plate bearing the master Fourier profile. When a counterfeit security document produced without knowledge of the master Fourier profile is scanned or imaged and subjected to a Fourier transform, the resulting test Fourier pattern will differ from a master Fourier pattern corresponding to the master Fourier profile for the authentic security document. In a particular embodiment, the concealed Fourier pattern is applied to the document by rotogravure printing. | 03-11-2010 |
Patrick Swift, Craigieburn AU
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20130069360 | SECURITY DOCUMENT WITH INTEGRATED SECURITY DEVICE AND METHOD OF MANUFACTURE - A security document ( | 03-21-2013 |
Patrick Swift, Lancefield AU
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20100091268 | METHOD AND APPARATUS FOR INSPECTION OF SECURITY ARTICLES INCORPORATING A DIFFRACTIVE OPTICAL PROJECTION ELEMENT - A method and apparatus for inspection of a security article ( | 04-15-2010 |
Richard George Swift, Lloydminster CA
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20140329424 | WATER SLED APPARATUS - A towed water sled apparatus is disclosed. The towed water sled apparatus is designed to provide lift to an overturned water sled apparatus thereby preventing the overturned water sled apparatus from diving below the water surface. The towing line may be above the water surface while pulling the overturned water sled apparatus along the water surface. The nose radius may transition to the lift section to provide lift to the overturned water sled apparatus and prevent the overturned water sled apparatus from sinking into the water surface. | 11-06-2014 |
Richard George Edward Swift, Lloydminster CA
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20110201239 | WATER SLED APPARATUS - The present invention is a towed water sled apparatus that includes a hull, a pair of knee indentations to accommodate any sized rider's knees while the rider is riding the apparatus and a pair of handles with a non-slip gripping surface disposed on each side of the apparatus. There is also a bumper pad disposed in front of the knee indentations to provide padding and protection to the rider while riding and a hitching aperture disposed on the hull to receive and attach a towing line to pull the apparatus. The apparatus is designed to greatly reduce diving or sinking while being towed or in an upright or overturned position. | 08-18-2011 |
Roland Swift, Nova Scotia CA
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20100107563 | Horizontal banding machine - A horizontal banding machine comprising, an elastic band supply mechanism for providing an elastic band in a gravity assisted fashion; at least two band holding devices for, receiving the elastic band from the elastic band supply mechanism, stretching the elastic band for providing a band opening surrounded by the elastic band for accommodating a plurality of objects for banding therein; and, disengaging the elastic band from the holding devices for deploying the elastic band onto the plurality of objects, and an actuator coupled to the band holding devices for moving the band holding devices between a first position for receiving the elastic band and a second position for disengaging the elastic band. | 05-06-2010 |
Roland Swift, Digby CA
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20100089005 | Vertical banding machine - Machine for applying elastic bands onto objects comprising at least two band holding devices for receiving the elastic band from the elastic band supply mechanism; stretching the elastic band for providing a band opening surrounded by the elastic band for accommodating a plurality of objects for banding therein; and, disengaging the elastic band from the holding devices for deploying the elastic band onto the plurality of objects; an actuator coupled to the band holding devices for moving the band holding devices between a first position for receiving the elastic band and a second position for disengaging the elastic band; and, a flip mechanism having the band holding devices and the actuator mounted thereto for moving the band holding devices from a band receiving position, where the elastic band is disposed in a plane oriented substantially horizontal, to a band disengaging position, where the elastic band is disposed in a plane oriented substantially vertical, wherein in the disengaging position the band holding devices, the actuator, and the flip mechanism are disposed outside a handling space determined by projecting the band opening along a straight line through the band opening and oriented substantially perpendicular thereto. | 04-15-2010 |
Steven M. Swift, Kent, WA US
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20160082526 | ROTARY CUTTER FOR MACHINING MATERIALS - A rotary cutting tool. The tool has a body with outside diameter (OD), and outer surface, and a longitudinal axis, a plurality of flutes, helical in some embodiments. Flutes include a narrow leading edge land portion with circular segment profile and having flute cutting edge portions along a substantially uniform circumferential location, with an eccentric relief margin rotationally rearward of the narrow leading edge land portions. Face portions are provided with face cutting edge portions, and with a first dish portion adjacent each of the cutting edge portions sloping inwardly and downwardly generally toward a central longitudinal axis at a first dish angle alpha (α) Corner blend portions extend from flute cutting edge portions to the face cutting edge portions. Corner blend portions are provided in a variety of profiles, including an embodiment wherein the profile of the corner blend portions are truncated before the segment of curvature becomes tangential to the face cutting edge portions. Large core diameters of cutting tools are provided, which gives high strength at when working with axial depths of cut of about three times outside tool diameter or less. | 03-24-2016 |
Stuart Swift, Cambridge GB
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20160024905 | CONTROL OF A MANAGED PRESSURE DRILLING SYSTEM - A method for controlling a managed pressure drilling system including a drillstring located in a borehole, a pump that delivers drilling fluid, and a choke that controls the flow of the drilling fluid from an annulus formed between the drillstring and the wall of the borehole. During drilling, the drilling fluid flows downwardly through the drillstring from the pump and through a drill bit, and returns through the annulus to the choke. The method includes determining a correction ΔV | 01-28-2016 |