Patent application number | Description | Published |
20100171438 | ELECTRONIC BALLAST HAVING CURRENT WAVEFORM CONTROL WITHIN THE HALF WAVE - Aspects of the invention include an electronic ballast and method for controlling current through a lamp to produce various current waveforms through the lamp. In one embodiment, the ballast samples and adjusts the current through the lamp on a micro-second time scale within each half-cycle of the current waveform (i.e., at least twice within a period of a reference waveform). The ballast can accommodate different lamp types, provide arbitrary current waveforms, operate a lamp at multiple power levels, and provide power to the lamp as a function of an operational state of a lamp. For example, in one embodiment, the ballast increases power to the lamp and adjusts the current waveform provided to the lamp as the lamp ages to minimize luminous flux loss caused by darkening of lamp walls and changes in lamp chemistry. | 07-08-2010 |
20110140601 | ELECTRODE STRUCTURES FOR DISCHARGE LAMPS - An electrode structure configured to operate in a discharge lamp and a method to make such an electrode structure are described. The electrode structure includes an electrode head portion comprising a plurality of raised features arranged in a configuration such that an average pitch of the plurality of raised features is at least 105%. The method includes providing an electrode configured to operate in the discharge lamp and forming raised features on an electrode head portion of the electrode at an average pitch of at least 105%. | 06-16-2011 |
20150014727 | Silicone-Grafted Core-Shell Particles, Polymer Matrix, and LED Containing Same - A silicone-grafted core-shell particle is described wherein the silicone-grafted core-shell particle comprises a core of an inorganic particle and a shell of a grafted poly(dimethylsiloxane) polymer formed from a bi-terminated poly(dimethylsiloxane) having reactive groups at each terminal end. The silicone-grafted core-shell particles may be dispersed in a polysiloxane polymer matrix and employed as an LED encapsulant. | 01-15-2015 |
Patent application number | Description | Published |
20090308664 | Drill bit with replaceable blade members - A drill bit for rotary drilling a well bore of a subterranean formation which has replaceable blades which overlap and interlock with each other and have retention means on more than one axis. The replaceable blades may have cutters with enhanced retention by brazing ring grooves and the body may be flared at its bottom to better retain the blades and cutters. | 12-17-2009 |
20100065264 | Rotor underreamer, section mill, casing cutter, casing scraper and drill string centralizer - A down hole well bore apparatus to underream and remove rock or cement or other material, cut or mill casing, clean or scrape casing, or centralize a drill string, which has a rotor which actuates blades, a compact overall length and can be operated with normal or reverse circulation. Simultaneous operations or multiple sequential operations can be made without removing the drill string. | 03-18-2010 |
20110315449 | Retention of cutters in bore hole tools - A cutter retention method which uses brazed material placed in cutter pockets and cutter pocket grooves or recesses to allow braze material between the cutters and cutter pockets and in said grooves and overlapping onto the top of the cutters to better retain the cutters in the cutting bore hole tool apparatus for enhanced cutter retention and extended drilling or boring time of drill bits, underreamers, section mills hole openers, casing cutters or other down hole tools used in bore hole drilling and completion operations. | 12-29-2011 |
Patent application number | Description | Published |
20090011793 | Flash Memory Cell Phone With Integrated Male And Female Connectors - The invention is a cell phone ( | 01-08-2009 |
20090019224 | Data Storage and Transfer Device and Method - A data storage and transfer device includes the combination of a flash memory chip for storing data, a memory card connector, a male connector and a female connector configured to mate with the male connector. Data can be transferred to or from a memory card inserted in the memory card connector (1) from or to the flash memory chip, (2) via the male connector and/or (3) via the female connector Data can be transferred to or from the flash memory chip (1) from or to the memory card inserted into the memory card connector, (2) via the male connector and/or (3) via the female connector. | 01-15-2009 |
20090113963 | Electronic lock system and method of use thereof - In an electronic lock system, a lock includes a lock housing ( | 05-07-2009 |
20100317216 | Multiple Function RJ Connector with Split Internal Housing Opening Cavity - A multi-purpose modular RJ connector includes a female receptacle having an opening in which a printed circuit board having contact pads on opposite surfaces thereof is positioned. A male plug has a cavity operative for receiving the printed circuit board therein when the male plug is inserted in the opening of the female receptacle. The male plug includes contact pins on opposite sides of the cavity for contacting the contact pads disposed on opposite surfaces of the printed circuit board when the male plug is inserted into the opening of the female receptacle. | 12-16-2010 |
20110269329 | Multiple Function RJ Connector with Split Internal Housing Opening Cavity - A modular RJ-type connector includes a female receptacle having an internal cavity, and first and second sets of rigid contacts disposed in back-to-back spaced relation to each other and in spaced relation to interior surfaces of the female receptacle that define the internal cavity. The first and second sets of rigid contacts can be disposed adjacent an edge of a support that is positioned in the internal cavity facing an open, plug receiving end of the female receptacle. A male plug can be provided which includes first and second sets of spaced facing contacts that make contact with the contacts of the first and second sets of rigid contacts of the female receptacle when the male plug is inserted in the open, plug receiving end of the female receptacle. | 11-03-2011 |
20120045939 | USB Power Adapter with Integrated Male and Female Connectors to Attach to a USB Cable to Provide Charge and Sync Functions - A USB power adapter includes a printed circuit board, a male USB connector coupled to the printed circuit board and configured to mate with a female USB connector of a first device; and a female USB connector coupled to the printed circuit board and configured to mate with a male USB connector of a cable which has a non-USB device connector on its other end for connection to a second device. Circuitry integrated on the printed circuit board electrically couples the male USB connector and the female USB connector. More specifically, the circuitry connects one or more pins of the male USB connector to one or more pins of the female USB connector whereupon the first device either supplies power to or synchronizes for data transfer with the second device when the first and second devices are connected via the power adapter and the USB cable. | 02-23-2012 |
20120064772 | MODULAR CABLE WITH INTEGRAL RECHARGEABLE POWER SUPPLY - A modular cable assembly includes first and second flexible cables coupled to a housing and first and second connectors coupled to the respective first and second cables remote from the housing. A rechargeable DC power supply in the housing is operative for storing electrical power received from an external source of DC electrical power via the first connector and for supplying the stored electrical power to an external power consumption device via the second connector. The modular cable assembly can also include a third cable having third and fourth spaced connectors. The second and third connectors are mating connectors that when mated enable the stored electrical power to be supplied to the external power consumption device via the combination of the second, third, and fourth connectors. | 03-15-2012 |
20130102195 | Multiport RJ Stack Connector With Interlocking Mechanism to Attach to Additional Multiport Stack - Disclosed is a multiport RJ connector that includes vertically stacked RJ-type female connectors, including from a bottom to a top first, second and third RJ-type female connectors. Each RJ-type female connector includes an opening that houses a plurality of contacts including contact portions arranged side-by-side. Each contact includes a contact pin that extends from the corresponding contact portion toward the bottom of the connector body. The lengths of the contacts pins of the first RJ-type female connector are longer than the contacts pins of the second RJ-type female connector which are longer than the contacts pins of the first RJ-type female connector. First and second complementary interlocking structures are included on opposite sides of the connector body. The first or second interlocking structure of the connector body is configured to mate with a respective second or first complementary interlocking structure of another connector body. | 04-25-2013 |
20140315406 | Combination RJ Connector and Flash Card Connector - A combination connector includes a number of walls defining a housing and a female RJ connector and a female flash card connector inside the housing. Contact pins extend from contacts of the female RJ connector and contacts of the female flash card connector through at least one wall of the housing for connection to a PCB. The walls include electromagnetic interference (EMI) shielding. | 10-23-2014 |
20140315431 | Combination USB Connector and MicroSD Flash Card Connector - A combination female USB connector and female MicroSD flash card connector include walls defining a housing in which a female USB connector and a female MicroSD flash card connector are disposed. Contact pins extend from contacts of the female USB connector and contacts of the female MicroSD flash card connector through at least one wall of the housing for connection to a printed circuit board. The walls include electromagnetic interference (EMI) shielding. | 10-23-2014 |
20140335728 | High Profile USB Connector - A high profile female USB connector for mounting to a substrate includes a heightened housing that elevates the female USB connector above and away from a surface of a substrate, such as a printed circuit board (PCB). The female USB connector, which can be a standard, mini, or micro USB type, is contained within the housing with contact pins extending from contacts of the female USB connector through a wall of the housing for connection to the substrate. | 11-13-2014 |
Patent application number | Description | Published |
20100331501 | USE OF HYDROGEN SCAVENGING CATALYSTS TO CONTROL POLYMER MOLECULAR WEIGHT AND HYDROGEN LEVELS IN A POLYMERIZATION REACTOR - The present invention provides dual catalyst systems containing a metallocene catalyst and a hydrogen scavenging catalyst, and polymerization processes employing these dual catalyst systems. Due to a reduction in hydrogen levels in the polymerization processes, olefin polymers produced from these polymerization processes may have a higher molecular weight, a lower melt index, and higher levels of unsaturation. | 12-30-2010 |
20100331505 | DUAL METALLOCENE CATALYST SYSTEMS FOR DECREASING MELT INDEX AND INCREASING POLYMER PRODUCTION RATES - The present invention provides dual catalyst systems and polymerization processes employing these dual catalyst systems. The disclosed polymerization processes can produce olefin polymers at higher production rates, and these olefin polymers may have a higher molecular weight and/or a lower melt index. | 12-30-2010 |
20120238712 | USE OF HYDROGEN SCAVENGING CATALYSTS TO CONTROL POLYMER MOLECULAR WEIGHT AND HYDROGEN LEVELS IN A POLYMERIZATION REACTOR - The present invention provides dual catalyst systems containing a metallocene catalyst and a hydrogen scavenging catalyst, and polymerization processes employing these dual catalyst systems. Due to a reduction in hydrogen levels in the polymerization processes, olefin polymers produced from these polymerization processes may have a higher molecular weight, a lower melt index, and higher levels of unsaturation. | 09-20-2012 |
20130079477 | Dual Metallocene Catalyst Systems for Decreasing Melt Index and Increasing Polymer Production Rates - The present invention provides dual catalyst systems and polymerization processes employing these dual catalyst systems. The disclosed polymerization processes can produce olefin polymers at higher production rates, and these olefin polymers may have a higher molecular weight and/or a lower melt index. | 03-28-2013 |
20130137839 | Long Chain Branched Polymers and Methods of Making Same - A polymer having a long chain branching content peaking at greater than about 20 long chain branches per million carbon atoms, and a polydispersity index of greater than about 10 wherein the long chain branching decreases to approximately zero at the higher molecular weight portion of the molecular weight distribution. A polymer having a long chain branching content peaking at greater than about 8 long chain branches per million carbon atoms, a polydispersity index of greater than about 20 wherein the long chain branching decreases to approximately zero at the higher molecular weight portion of the molecular weight distribution. A polymer having a long chain branching content peaking at greater than about 1 long chain branches per chain, and a polydispersity index of greater than about 10 wherein the long chain branching decreases to approximately zero at the higher molecular weight portion of the molecular weight distribution. | 05-30-2013 |
20130245210 | Dual Metallocene Catalyst Systems for Decreasing Melt Index and Increasing Polymer Production Rates - The present invention provides dual catalyst systems and polymerization processes employing these dual catalyst systems. The disclosed polymerization processes can produce olefin polymers at higher production rates, and these olefin polymers may have a higher molecular weight and/or a lower melt index. | 09-19-2013 |
20130324690 | Use of Hydrogen Scavenging Catalysts to Control Polymer Molecular Weight and Hydrogen Levels in a Polymerization Reactor - The present invention provides dual catalyst systems containing a metallocene catalyst and a hydrogen scavenging catalyst, and polymerization processes employing these dual catalyst systems. Due to a reduction in hydrogen levels in the polymerization processes, olefin polymers produced from these polymerization processes may have a higher molecular weight, a lower melt index, and higher levels of unsaturation. | 12-05-2013 |
20140235804 | Dual Metallocene Catalyst Systems for Decreasing Melt Index and Increasing Polymer Production Rates - The present invention provides dual catalyst systems and polymerization processes employing these dual catalyst systems. The disclosed polymerization processes can produce olefin polymers at higher production rates, and these olefin polymers may have a higher molecular weight and/or a lower melt index. | 08-21-2014 |
20140275457 | Polymerization Catalysts and Polymers - A method comprising contacting a support material with a transition metal compound to produce a mixture; thermally treating the mixture in the presence of oxygen at a temperature in a range of from about 100° C. to about 500° C. for a period of from about 1 hour to about 10 hours, wherein at least a portion of the transition metal sublimes onto the support material to produce a support material comprising a dispersed transition metal; and thermally treating the support material comprising the dispersed transition metal in an oxidizing atmosphere at a temperature in a range of from about 550° C. to about 900° C. for a period of from about 1 hour to about 10 hours to produce a polymerization catalyst. | 09-18-2014 |
20150203614 | Long Chain Branched Polymers and Methods of Making Same - A polymer having a long chain branching content peaking at greater than about 20 long chain branches per million carbon atoms, and a polydispersity index of greater than about 10 wherein the long chain branching decreases to approximately zero at the higher molecular weight portion of the molecular weight distribution. A polymer having a long chain branching content peaking at greater than about 8 long chain branches per million carbon atoms, a polydispersity index of greater than about 20 wherein the long chain branching decreases to approximately zero at the higher molecular weight portion of the molecular weight distribution. A polymer having a long chain branching content peaking at greater than about 1 long chain branches per chain, and a polydispersity index of greater than about 10 wherein the long chain branching decreases to approximately zero at the higher molecular weight portion of the molecular weight distribution. | 07-23-2015 |
Patent application number | Description | Published |
20100236976 | WAFER CONTAINER WITH OVERLAPPING WALL STRUCTURE - Improvements in a semiconductor wafer container including improvements in side protection to the wafers, improved cover design to minimize rotation, a simplified top cover orientation mechanism and an improved bottom holding mechanism for automation. The side protection to the wafers is with multiple staggered inner and outer walls. The improved cover design improves alignment of the top and bottom housings and minimizes rotation of the housings in transit or motion. The housings have a recessed tab ramp feature with bi-directional locking that also increases the rigidity of the containment device when the two housings are assembled. The improved bottom holding mechanism for automation is an integrated feature that is molded into the bottom housing and not assembled in a secondary operation. The molded integration reduces tolerance errors that are present in assembling multiple pieces and joining multiple pieces. | 09-23-2010 |
20100236977 | WAFER CONTAINER WITH ADJUSTABLE INSIDE DIAMETER - Improvements in a semiconductor wafer container for reducing movement of semiconductor wafers within a wafer carrier using flexible wall segments, panels or flexible inserts in the base member's main inner containment diameter. These walls allow a vertical containment surface to move and capture the entire stack of wafers rather than a few wafers. The surface that contacts the wafers moves uniformly inward. The wafer stack is secured by reducing or eliminating the gap between the wafer container and the wafer stack. Further improvements include the addition of a ramped engagement surfaces in the top and/or bottom cover that provides mechanical advantage for easier assembly of the top and bottom cover. This design also allows for automated loading and unloading of the wafer stack because once the top cover is removed, the flexible walls spring back outward. Thus providing a small gap in which to freely remove the wafers. | 09-23-2010 |
20110049006 | WAFER CONTAINER WITH RECESSED LATCH - Improvements in a semiconductor wafer container including improvements in side protection to the wafers, improved cover design to minimize rotation, a simplified top cover orientation mechanism and an improved bottom holding mechanism for automation. The side protection to the wafers is with multiple staggered inner and outer walls. The improved cover design improves alignment of the top and bottom housings and minimizes rotation of the housings in transit or motion. The housings have a recessed tab ramp feature with bi-directional locking that also increases the rigidity of the containment device when the two housings are assembled. The latching mechanism is located in a protective latch well that minimizes accidental opening of the latch(s). The improved bottom holding mechanism for automation is an integrated feature that is molded into the bottom housing and not assembled in a secondary operation. | 03-03-2011 |
20110180451 | SINGLE AND DUAL STAGE WAFER CUSHION - Improvements in a single and dual stage wafer cushion is disclosed where the wafer cushion can use an edge hinge as a single first stage cushion and a second mid span hinge for the dual stage wafer cushion. This dual stage design gives two distinctly different cushioning forces as opposed to using a single stage design where the force is linear with the amount of compression that is being applied to the outer surfaces of the wafer cushion. The outside edge of the ring provides the greatest expansion such that only the outer edge of the ring makes contact with the outer edge of a wafer. The wafer cushion is a material that flexes and absorbs shocks before the shock is transferred to the wafer stack. The material minimizes debris or contaminants from embedding into the wafer cushion and also prevents sheading of material from the wafer cushion. | 07-28-2011 |
20120132561 | WAFER CONTAINER - Improvements in a semiconductor wafer container including improvements in side protection to the wafers, improved cover design to minimize rotation, a simplified top cover orientation mechanism and an improved bottom holding mechanism for automation. The side protection to the wafers is with multiple staggered inner and outer walls. The improved cover design improves alignment of the top and bottom housings and minimizes rotation of the housings in transit or motion. The housings have a recessed tab ramp feature with bi-directional locking that also increases the rigidity of the containment device when the two housings are assembled. The improved bottom holding mechanism for automation is an integrated feature that is molded into the bottom housing and not assembled in a secondary operation. The molded integration reduces tolerance errors that are present in assembling multiple pieces and joining multiple pieces. | 05-31-2012 |
20120205282 | SINGLE AND DUAL STAGE WAFER CUSHION AND WAFER SEPARATOR - Improvements in a single and dual stage wafer cushion is disclosed where the wafer cushion can use an edge hinge as a single first stage cushion and a second mid span hinge for the dual stage wafer cushion. This dual stage design gives two distinctly different cushioning forces as opposed to using a single stage design where the force is linear with the amount of compression that is being applied to the outer surfaces of the wafer cushion. The outside edge of the ring provides the greatest expansion such that only the outer edge of the ring makes contact with the outer edge of a wafer. The wafer cushion is a material that flexes and absorbs shocks before the shock is transferred to the wafer stack. The material minimizes debris or contaminants from embedding into the wafer cushion and also prevents sheading of material from the wafer cushion. | 08-16-2012 |
20140034548 | WAFER CONTAINER - Improvements in a semiconductor wafer container for reducing movement of semiconductor wafers within a wafer carrier using flexible wall segments, panels or flexible inserts in the base member's main inner containment diameter. These walls allow a vertical containment surface to move and capture the entire stack of wafers rather than a few wafers. The surface that contacts the wafers moves uniformly inward. The wafer stack is secured by reducing or eliminating the gap between the wafer container and the wafer stack. Further improvements include the addition of a ramped engagement surfaces in the top and/or bottom cover that provides mechanical advantage for easier assembly of the top and bottom cover. This design also allows for automated loading and unloading of the wafer stack because once the top cover is removed, the flexible walls spring back outward. Thus providing a small gap in which to freely remove the wafers. | 02-06-2014 |
20140360915 | WAFER CONTAINER WITH RECESSED LATCH - Improvements in a semiconductor wafer container including improvements in side protection to the wafers, improved cover design to minimize rotation, a simplified top cover orientation mechanism and an improved bottom holding mechanism for automation. The side protection to the wafers is with multiple staggered inner and outer walls. The improved cover design improves alignment of the top and bottom housings and minimizes rotation of the housings in transit or motion. The housings have a recessed tab ramp feature with bi-directional locking that also increases the rigidity of the containment device when the two housings are assembled. The latching mechanism is located in a protective latch well that minimizes accidental opening of the latch(s). The improved bottom holding mechanism for automation is an integrated feature that is molded into the bottom housing and not assembled in a secondary operation. | 12-11-2014 |
Patent application number | Description | Published |
20080245946 | MOUNTING SUPPORT ASSEMBLY FOR SUSPENDING A MEDICAL INSTRUMENT DRIVER ABOVE AN OPERATING TABLE - An adapter plate assembly which provides a convenient interface between a mounting support assembly for suspending an instrument driver robotic instrument system above a operating table. The adapter plate securely mounts to the operating table, and may be adjustable so that it can be adjusted to fit various sizes and models of operating tables. The adapter plate assembly comprises a main plate which rests on the surface of the operating table. A first clamp assembly which removably attaches to the operating table is mounted on one or more horizontal adjustment rods which are slidably received in one of the main plate in order to provide adjustability to the width of the adapter plate assembly. On the opposing end of the main plate, a second clamp assembly is coupled main plate. In order to secure the support assembly of a robotic instrument system, an adapter rail is also coupled to the main plate. The adapter rail is configured to detachably couple to a support assembly interface of the support assembly, and provides sufficient structural support for suspending the instrument driver above the operating table. | 10-09-2008 |
20120071821 | SYSTEMS AND METHODS FOR MANIPULATING AN ELONGATE MEMBER - System and methods for manipulating and positioning elongated flexible members are described herein. In on variation, an elongate member manipulator includes an elongate member holder having first and second rotary members configured to hold an elongate member, wherein the rotary members are actuated in opposite rotational directions to generate a corresponding linear motion of the elongate member held by the rotary members along a longitudinal axis of the elongate member, and wherein the rotary members are actuated in opposite linear directions to generate a corresponding rotational motion of the elongate member held by the rotary members about the longitudinal axis of the elongate member. | 03-22-2012 |
20120241576 | MOUNTING SUPPORT ASSEMBLY FOR SUSPENDING A MEDICAL INSTRUMENT DRIVER ABOVE AN OPERATING TABLE - An adjustable mounting assembly, includes a load distributing plate configured for resting on, and being supported by, a top surface of a patient table; a first clamp assembly adjustably coupled to a first side of the load distributing plate and configured for removable attachment to a first side rail of the patient table; a second clamp assembly coupled to a second side of the load distributing plate and configured for removable attachment to a second side rail of the patient table; and an adapter rail fixed to the second side of the load distributing plate and configured to detachably couple to a support assembly interface, such that an adjustable support assembly may be coupled to the load distributing plate to thereby allow for an off-center load attached to the support assembly to be moved relative to the patient table while the load remains substantially supported by the table surface. | 09-27-2012 |
20130269109 | MOUNTING SUPPORT ASSEMBLY FOR SUSPENDING A MEDICAL INSTRUMENT DRIVER ABOVE AN OPERATING TABLE - An adjustable mounting assembly, includes a load distributing plate configured for resting on, and being supported by, a top surface of a patient table; a first clamp assembly adjustably coupled to a first side of the load distributing plate and configured for removable attachment to a first side rail of the patient table; a second clamp assembly coupled to a second side of the load distributing plate and configured for removable attachment to a second side rail of the patient table; and an adapter rail fixed to the second side of the load distributing plate and configured to detachably couple to a support assembly interface, such that an adjustable support assembly may be coupled to the load distributing plate to thereby allow for an off-center load attached to the support assembly to be moved relative to the patient table while the load remains substantially supported by the table surface. | 10-17-2013 |
20140277333 | ACTIVE DRIVES FOR ROBOTIC CATHETER MANIPULATORS - An instrument driver comprises a base and a jaw assembly coupled to the base. The jaw assembly includes a first jaw having a gripping surface and a second jaw having a gripping surface. The instrument driver further comprises a driver assembly operably coupled to the jaw assembly to advance an elongated member relative to the base by translating the first and second jaws toward each other, thereby closing the jaw assembly and gripping the member between the respective gripping surfaces of the first and second jaws, translating the jaw assembly in a first axial direction when the jaw assembly is closed, translating the first and second jaws away from each other, thereby opening the jaw assembly and releasing the member from between the respective gripping surfaces of the first and second jaws, and translating the jaw assembly in a second axial direction when the jaw assembly is opened. | 09-18-2014 |
20140277334 | ACTIVE DRIVES FOR ROBOTIC CATHETER MANIPULATORS - An instrument driver comprises opposing rotatable gripping pads. Each of the gripping pads including an outer circular rim and a center hub. The pads are configured for applying a gripping force to an elongated member. The instrument driver further comprises shafts affixed to the center hubs, and a driver assembly configured for rotating at least one of the shafts, thereby causing the pads to rotate in opposite directions to linearly translate the gripped member. Each of the pads further includes a framework for partially collapsing in response to the gripping force, such that portions of the rims flatten to contact each other. Each rim has a concave gripping surface in order to facilitate vertical centering of the member between the pads. Each of the pads further includes a pair of upper and lower sprockets for interlacing with each other to prevent the elongated member from slipping out between the pads. | 09-18-2014 |