| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 182003000 |
TORSO HARNESS
| 230 |
| 182129000 |
COMBINED
| 91 |
| 182107000 |
SAFETY DEVICE FOR GROUND-SUPPORTED LADDER
| 66 |
| 182112000 |
SAFETY DEVICE, PLATFORM ASSOCIATED
| 62 |
| 182194000 |
LADDER
| 49 |
| 182141000 |
PLATFORM WITH ELEVATING OR LOWERING MEANS
| 44 |
| 182082000 |
WALL- OR FLOOR-ATTACHED
| 40 |
| 182115000 |
LADDER AND PLATFORM
| 32 |
| 182222000 |
PLATFORM
| 28 |
| 182630100 |
HAVING TRANSPOSITIONING BASE AND ERECTING MEANS
| 28 |
| 182152000 |
UNITARY FOLDABLE, RIGID SCAFFOLD OR LADDER
| 25 |
| 182106000 |
WITH HANDRAIL OR GUARD FOR LADDER
| 23 |
| 182036000 |
TRAVERSING, TRACK-MOUNTED
| 20 |
| 182187000 |
SCAFFOLD EXTERNAL OF SHAFT
| 20 |
| 182179100 |
SELF-SUSTAINING
| 19 |
| 182020000 |
CONVERTIBLE
| 17 |
| 182127000 |
LADDER WITH LAND VEHICLE
| 17 |
| 182018000 |
WITH INDICATOR, SIGNAL OR ALARM
| 16 |
| 182133000 |
POLE OR STRAND GRASPING-TYPE CLIMBER
| 14 |
| 182045000 |
PITCHED ROOF CONFORMING SCAFFOLD
| 12 |
| 182012000 |
HORIZONTAL TRAVERSING - ACTUATION, CONTROL, OR RESPONSE
| 12 |
| 182048000 |
CHUTE OR ESCAPE TOWER FOR PERSONNEL
| 12 |
| 182150000 |
SUSPENDED PLATFORM
| 10 |
| 182200100 |
MEANS MAINTAINING PLATFORM LEVEL ON ANGULARLY MOVABLE SUPPORT
| 10 |
| 182165000 |
LADDER WITH PIVOTED PROP
| 9 |
| 182189000 |
SINGLE STILE, STRAND OR POLE
| 9 |
| 182070000 |
WITH STORAGE DEVICE FOR SUPPLE ESCAPE
| 8 |
| 182019000 |
AUTOMATIC CONTROL
| 7 |
| 182230000 |
MISCELLANEOUS | 5 |
| 20090152049 | Rack Attachable to Scaffolding - One or more rack modules may be semi-permanently attached to a deck to provide storage for material. Each rack module comprises a top horizontal member which may be adjusted in length to accommodate decks with different widths. A vertical member is attached to the top horizontal member; one or more horizontal arms extend out from the vertical member. One or more of the horizontal arms may be adjustable in length. Material may be stored on an arm or arms of a single rack module or may be disposed across multiple such arms, including across multiple such arms of multiple rack modules. | 06-18-2009 |
| 20090166130 | Apparatus and Method for Securing Fall Arrest Equipment - An apparatus and method that allows a user to secure a fall arrest system to equipment in locations not originally intended to be used for fall safety equipment. By utilizing non-conventional anchor points to secure the fall arrest system, a user can provide adequate and compliant fall arrest protection on equipment without violating the environmental or structural integrity of the equipment. | 07-02-2009 |
| 20120305333 | Grain Rescue Tube - A rescue tube assembly includes multiple panels at least one of which is generally inflexible and at least partially flat and planar. The panels may be joined together by slidable engagement of compatible lateral side edges of the panels to form a tubular construction. The sides may be inserted into grain or other collapsed material such as soil in a manner which encircles an item or entity trapped by the collapsed material. The adjacent panels are slidably engaged to form an at least partially encircling enclosure to enable material such as grain or soil to be removed from the tubular form thereby permitting access and rescue of the entrapped individual. | 12-06-2012 |
| 20090114479 | Ladder Safety Guard - A device for preventing the use of the topmost rung and hindering access to the top step of a ladder that can easily be attached and removed in order to prevent unsafe ladder use and reduce injury. | 05-07-2009 |
| 20120132481 | Fall Arrest System - A fall arrest safety system has a traveller arranged to travel along a safety line and including a securing arrangement deployable in response to a fall event to secure the traveller in fixed position on the safety line. An energy absorber device is connected intermediately between the traveller and the user, the energy absorber device including a plastically deformable energy absorber deployable in response to a fall event to plastically deform from a stowed orientation to a deployed orientation. The energy absorber may have a coil-form portion and an elongate tongue portion extending in a linear direction at the periphery of the coil-form portion, the elongate tongue portion of the energy absorber being arranged to extend to project from the housing for connection to a karabiner, lanyard or other connection device. | 05-31-2012 |
| 182137000 |
BODY CATCHER | 5 |
| 20100147625 | MOVABLE SAFETY BARRIER SYSTEM - A movable safety barrier system includes a flexible barrier member having a barrier member length with first and second ends, and a width. The barrier member can have a construction that is flexible in both directions along the length and width of the barrier member. First and second end supports are provided which are capable of supporting respective first and second ends of the length of the barrier member when the barrier member is extended between the end supports. The end supports can allow the extended barrier member to move in a direction transverse to the width of the barrier member when desired. | 06-17-2010 |
| 20110011677 | Fall arrest safety net - A fall arrest safety net assembly has the form of a bag constructed of wire mesh, with a closed end and an opposing open mouth about which a plurality of eyes are spaced. An elongate line has opposing first and second ends, first and second line portions of the line being disposed adjacent the first and second ends respectively, an intermediate portion of the line located between the first and second line portions. A choker fitting has two faces between which a plurality of openings extend, and an end fixture on the choker fitting. The first portion of the line is connected in a ring by the choker fitting, the first end being fixed to the end fixture, the first portion extending through the eyes for drawing the mouth closed, and the intermediate portion extending through the openings in the choker fitting. | 01-20-2011 |
| 20120055738 | CONSTRUCTION SAFETY HANGER - A safety hanger system for attachment to horizontal members of stringers or other support members forming a subfloor include a plurality of safety hanger straps each of which is provided with closed loop ends. Rigid retaining members such as D-rings are linked through one of said loop ends at one end of each of the straps. Snap hooks are supported on the retaining members. The safety hangers are attachable in spaced relationship to the stringers with at least one snap-hook positioned to engage a safety net below the adjacent stringers to catch a worker that slips through a subfloor under which the net is placed, whereby workers have freedom of movement above the subfloor without the need to be tethered by lanyards to any given fixed point. A method is disclosed for attaching the safety hanger straps to the stringers and for securing safety net(s) to the snap hooks. | 03-08-2012 |
| 20100108443 | ELECTRONIC STAIRS BARRIER AND GUIDE - An automatic/active/intelligent stair guide system that will allow children, elderly, disabled or frail people to use the stairs safely by acting as an instant barrier stopping a child or an elderly or frail person from falling even after they have lost their grip on the stairs. | 05-06-2010 |
| 20100314199 | Fall Protection Systems - In one embodiment, a fall protection system including a J-shaped stanchion that attaches to a roof truss (or rafter) in such a manner as to enable the entire girth of the roof truss overhang (or rafter) to be the sole support for the stanchion. The stanchion is designed to bend below the fascia and return up above the roof surface where successive stanchions similarly attached are connected via a fall protection guardrails providing fall protection for all workers. This single point of attachment allows the carpenters to attach the stanchions prior to hoisting the trusses onto the roof bearing walls. As soon as the trusses are properly braced, the guardrails can be hoisted and secured. In another embodiment, the disclosure includes a combination fall protection and catwalk system for above-ground floors. In another embodiment, the disclosure includes a fall protection system for reroofing applications. | 12-16-2010 |
| 182128000 |
SCAFFOLD SUPPORTED INTERNALLY ON SHAFT | 5 |
| 20090236180 | Manhole construction safety and work platform device - The invention is a manhole construction safety and work platform device having a scaffold catwalk for working on a manhole, providing the safety and work platform with adjustable braces engaging the side of a conical manhole casing. The inner perimeter of the device circumferentially defines a central access opening in order to slidably accept, receive, and fit around the conical section of the manhole casing, as typically used in the utility construction industry. The scaffold catwalk has a safety barrier means on the working surface to provide a safe working environment along the outer perimeter. As is common in the industry, the conical section of the manhole casing may be an asymmetrical conical section. One objective of the present invention is to provide a scaffolding platform supported with at least three adjustable brace members to securely support the said platform against the sidewall of any shape of manhole casing. | 09-24-2009 |
| 20100000822 | SCAFFOLDING SYSTEM - A scaffolding system comprising a plurality of elongate structural tubes and a plurality of node members. Each node member has three or more mating portions that each extend along one of three mutually perpendicular axes that pass through the respective node member. End portions of the structural tubes can be releasably secured to the mating portions to provide a framework of vertical columns that extend between pairs of node members and horizontal beams that extend between pairs of node members. The scaffolding system further comprises a plurality of tie members that can each be releasably secured at opposing ends to a node member such that the respective tie member is inclined relative to the vertical columns or the horizontal beams, such that the scaffolding system, when assembled, is capable of supporting structural loads. | 01-07-2010 |
| 20090173577 | WORKING PLATFORM - The invention concerns a working platform assembly for use in the interior of a tower-like building. The object of the present invention is to provide a working platform assembly which can be used in the interior of a tower-like building even if the tower is closed at the top by an upper structure thereon. According to the invention that object is attained by a scissor lattice-like carrier structure and a working platform arranged on the carrier structure. In that respect the invention is based on the that the working platform assembly according to the invention can be adapted to different inside diameters of the tower-like building by virtue of the scissor lattice-like carrier structure and can thus extend completely across the tower cross-section. That makes it possible to work on the platform assembly. The working platform assembly can be released from the tower wall by the scissor lattice-like carrier structure and fixed again in another region of the building of a different cross-section. | 07-09-2009 |
| 20120037452 | VERTICAL ENCLOSURE SAFETY APPARATUS - A safety apparatus adapted for retrofitting vertical enclosures is shown. The safety apparatus may include a support frame, a grate platform, and telescoping support legs adapted to fasten to an enclosure wall. The apparatus may also include a hinged hatch defining an opening configured to allow a person to be pulled through the platform. | 02-16-2012 |
| 20100288583 | Founding system - A founding chair for a founding ladder system is of a lightweight fabricated design and includes a pivotally secured top leveling plate. A ladder system for the founding chair includes a slide in engagement rack for securing of the founding chair and allowing incremental adjustment. | 11-18-2010 |
| 182178100 |
STACKABLE | 4 |
| 20090236181 | STACKABLE SCAFFOLDING FRAMES - A scaffolding frame comprises a pair of spaced apart elongated vertical members having respective top and bottom ends thereof and at least one elongated horizontal member mounted at each longitudinal end thereof to a respective one of the vertical members. Each vertical member defines a respective opposite lateral side of the frame. The horizontal member comprises a depressed portion near each longitudinal end thereof. When a first such frame is stacked onto a second such frame, one depressed portion and one vertical member of the first frame respectively engage one vertical member and one depressed portion of the second frame. | 09-24-2009 |
| 20120228060 | HIGH CAPACITY VERTICAL MEMBER FOR USE WITH MODULAR SCAFFOLDING - A vertical member of a modular scaffolding system includes a securing rosette provided in an upper section having a reduced diameter to provide a pre-determined modular connection. The vertical member includes an elongate intermediate section forming the majority of the vertical member of a first diameter greater than the reduced diameter. The intermediate section at a lower edge includes an integral spigot of the reduced diameter. A reinforcing sleeve is fixedly secured to the upper section above the rosette and forms a spigot receiving socket. The vertical member has higher capacity due to the larger diameter intermediate section while maintaining modularity of the scaffolding system. | 09-13-2012 |
| 20100025154 | MODULAR LADDER - A modular ladder system is provided, wherein segments may be joined without limit to form a ladder of any desired length. | 02-04-2010 |
| 20090301815 | Modular scaffold system - A modified scaffold support post includes areas of reduced diameter, intermediate the length of the support post, having connecting rosettes secured to these reduced diameter areas. Preferably the areas of reduced diameter correspond to diameter of support tubes used as uprights in scaffold frames in North America (approximately 1.69 inches in outer diameter). Preferably the areas of reduced diameter are formed by swaging a tube of a larger diameter, typically approximately 1.90 inches. The modified support post is advantageously used with scaffold frames with connecting rosettes appropriately positioned on the uprights of the scaffold frames. | 12-10-2009 |
| 182224000 |
SCAFFOLD HORSE BEAM OR LEG | 4 |
| 20090288914 | SAWHORSE - A sawhorse includes a pair of identical support members and a connector structure. Each support member includes a pair of spaced apart legs, and an upper work surface for supporting a work-piece. The upper work surface is integrally formed with the legs. Each support member includes an integrally formed hinge portion directly connectable with the hinge portion of the other support member. The connector structure is arranged to connect an intermediate portion of the support members to one another. | 11-26-2009 |
| 20090026013 | Adjustable and transportable scaffolding - An adjustable and transportable scaffolding ( | 01-29-2009 |
| 20080283336 | Fittings for Builders' Trestles - A bracket ( | 11-20-2008 |
| 20110233000 | PORTABLE SAWHORSE WORKSTATION - An improved sawhorse having an elongated body with a channel formed in an upper working surface thereof. The sawhorse also includes a ledger that is sized and shaped to be seated within the channel and a clamp that is operable to secure the ledger to the elongated body. The elongated body further includes a plurality of receptacles that are adapted to receive a corresponding plurality of support legs. | 09-29-2011 |
| 182620500 |
WITH EXTENSIBLE VERTICAL AND NONVERTICAL SECTIONS | 3 |
| 20090090581 | STAIR SYSTEM FOR OILFIELD TANK - A stair system for a mobile storage tank includes a platform subsystem attached to a wall of the mobile storage tank, a staircase subsystem coupled to the platform subsystem, and a rail subsystem attached to the staircase subsystem. The platform subsystem includes a retractable platform extension, and the staircase and rail subsystem are configured to be extended for use and retracted for transit and non-use modes of operation. | 04-09-2009 |
| 20110073409 | SUPPORT PLATFORM FOR WORKERS DEALING WITH MAINTENANCE AND CONSTRUCTION OF MEANS OF TRANSPORT - A support platform ( | 03-31-2011 |
| 20120080265 | FALL PROTECTION FOR PERSONNEL SERVICING AN ELEVATED WORK AREA FROM A MAN LIFT - Fall protection for personnel servicing an elevated work area from a man lift. A bridge is pivotally mounted to a working edge of the man lift. The bridge pivots between a stored position and a substantially horizontal operative position. The bridge has a pivotally mounted edge, a remote edge opposite to the pivotally mounted edge and opposed sides. An expandable enclosure is anchored to the man lift. The enclosure is movable between a collapsed position and an expanded position. In the collapsed position, the enclosure is collapsed parallel to and provides fall protection along the working edge of the man lift. In the expanded position, the enclosure provides fall protection for the opposed sides of the bridge in the operative position and provides fall protection in the work area by enclosing a portion of the work area beyond the remote edge of the bridge. | 04-05-2012 |
| 182077000 |
DOOR AND LADDER | 3 |
| 20090255757 | FOLDING ATTIC STAIR ASSEMBLY - A folding attic stair assembly comprises a rectangular outer mounting frame. An inner stairway carrying frame is mounted by a hinge at one end of the outer mounting frame for movement between a raised stored position on the outer mounting frame and a lowered position extending downwardly from the mounting frame. An extendable attic stair is mounted on the inner frame. A pair of folding support arms extend between the outer mounting frame and the inner stairway carrying frame. A cable connects between each folding support arm and an associated reel mounted on a drive shaft which is connected to a drive motor. This drive motor is operable to wind and unwind the cables on the reels to raise and lower the attic stair in a controlled manner. | 10-15-2009 |
| 20120193167 | TELESCOPING PULL-DOWN ATTIC LADDER - An attic ladder system includes an upper portion that can be extended above the attic floor and a lower portion that can be extended into a room below the attic. The upper portion can extend automatically into the attic upon extension of the lower portion, or may be operated independently of the lower section. Ladder extension can be telescopic or by unfolding of sections. Retraction of either or both ladder portions may include a pivoting capability to reduce vertical height when stored. A gap can be provided between lowest the rungs to avoid danger to a user's hands. Embodiments can be used to access the top of a vehicle roof from within the vehicle. Embodiments can support a user weighing up to 300 pounds. A gas spring can assist in lifting and stowing the lower portion. Pivot latches can secure the ladder in its stowed and deployed configurations. | 08-02-2012 |
| 20100089695 | ATTIC LADDER STRUT ATTACHMENT - A folding ladder assembly having a door, a frame, and a strut connecting the door and frame. The strut comprises a first end and a second end opposite the first end. The first end of the strut is attached to the door via a strut stop bracket. The other end of the strut is attached to a stationary mounting plate, which is attached to the ladder opening frame. The strut is attached to the strut bracket via a strut standoff using an E-clip retaining ring. Optionally, the strut standoffs are riveted to the strut stop bracket and the stationary mounting plate. The strut stop bracket is optionally formed having a double bend to form two substantially parallel portions connected by a third non-parallel portion. | 04-15-2010 |
| 182151000 |
KIT OR SEPARABLE PARTS | 2 |
| 20120186910 | Horizontal Scaffold Member - One embodiment of the invention is a horizontal scaffold member having a primary end connector and a secondary end connector. Each end connector is configured to couple to a cup on a vertical scaffold member. Each end connector includes a wedge assembly having a handle and a wedge, movable with respect to the wedge head to a latched and unlatched position. The primary wedge assembly is connected to the secondary wedge assembly by a cable, and configured so that moving the primary wedge assembly to a unlatched position also moves the secondary wedge assembly to an unlatched position. | 07-26-2012 |
| 20120234629 | Support Platform - The invention is a support platform for providing a stable and secure work surface when the existing surface is irregular, such as open ground, or when the existing surface is inconvenient, such as a staircase. The support platform is configured to be transported by a single person, deployed for use, and taken down and stowed as needed. The support platform can be used for directly supporting a person, or can be used for supporting a tool, such as a ladder in a manner that provides secure and slip-resistant support. In some cases, the platform is larger and/or heavier and is transportable by multiple persons or with assistance selected from the group consisting of mechanical assistance, power assistance, and automation. | 09-20-2012 |
| 182228100 |
RUNG OR RUNG-TO-STILE CONNECTION | 2 |
| 20090050408 | ICE LADDER - An ice ladder has a climbing ladder mounted to an adjustable frame, with the adjustable frame including a securing apparatus mounting on a desired surface, especially an opening in an ice covered body of water. The ice ladder has an adjustable frame or member, a locking bar, and a climbing ladder releasably secured to the locking bar. The adjustable member is secured to the locking bar. | 02-26-2009 |
| 20120325585 | Reflective Friction-Enhancement For Surfaces - A modular safety unit for application to surfaces requiring reflectivity and friction. The unit has a front surface with a high-reflectivity portion and a roughening agent. The high reflectivity portion and roughening agent can be connate or separate. The unit also has a back surface which may be applied to a platform surface such as a rail car step, ladder rung or walkway. The back surface of the unit comprises an adhesive, or may itself be adhered to a surface. | 12-27-2012 |
| 182010000 |
INCLINED CABLE SUPPORTING CARRIER TRAVELING THEREALONG | 2 |
| 20130048423 | SUPPORTED DAVIT ARM EXTENSION ASSEMBLY FOR CABLE SUSPENDED DESCENT APPARATUS - A supported davit arm extension assembly for a descent apparatus comprising an escape shuttle suspended from a cable defining a descent path from an initial point at a receiver of a platform to a terminal point proximate to a ground surface. The extension assembly comprises a davit arm extending above the platform and secured to the receiver, and a fall arrest trolley operatively coupled to the shuttle at a first end and terminating at a second end extending substantially away from the terminal point. The second end of the fall arrest trolley has a securement point for connection to and support of a load, such as a worker, by an overhead fall arrest. While the shuttle is docked with the receiver, the fall arrest trolley extends over the platform, supported by the davit arm, and facilitates substantially unfettered movement of the worker around the platform. As the worker enters the shuttle, it is disengaged from the receiver and follows the descent path of the cable toward the ground surface. The second end of the fall arrest trolley rides along the davit arm and onto the cable and is thereafter supported thereon through the descent of the shuttle. | 02-28-2013 |
| 20120318609 | MOVABLE CABLE LOOP DESCENT SYSTEM - A movable cable loop descent system comprises a cable for forming into a loop, a receiver for attachment to a structure having a receiver pulley for engaging the cable loop, a brake assembly, having a drive pulley for being rotated by the cable loop, the brake assembly for slowing a rate of travel of the cable loop and a carriage supporting a load for attachment to the cable loop at a point and for movement between the structure and the ground. A rotor and substantially parallel conductive frame is mounted on an axle through the drive pulley. Magnets on a surface of the rotor and/or the frame induce eddy currents, as they are relatively rotated, which create a rotational braking force controlling descent of the carriage and load. The brake assembly may be removably positioned by a drive-on anchor. The cable is removable and the system may form a kit. | 12-20-2012 |
| 182046000 |
WITH INSULATION | 2 |
| 20130048425 | DIELECTRIC COATING AND APPLICATION PROCESS - A method of electrically insulating one or more components of a boom assembly involves applying a seamless coating of dielectric material to an outer surface of each of one or more boom assembly components, the boom assembly components being constructed of metal or other electrically conductive material. The dielectric material is applied as a liquid and, when hardened, creates a seamless, electrically insulating barrier on the boom assembly components to which it is applied. A layer of ultraviolet radiation protective material may be applied on top of the layer of dielectric material to protect the dielectric material from ultraviolet degradation. The boom assembly components may be painted or otherwise treated prior to the application of the dielectric material. | 02-28-2013 |
| 20090014239 | Archery bow having improved design to absorb shock and reduce vibration - The present invention generally relates to an improved archery bow having a greatly enhanced ability to absorb shock, vibration and sound. In order to achieve improved sound and vibration dampening, the bow riser, and optionally the bow limbs are coated with an energy absorbing and/or dampening coating. The coating is permanently attached to the riser and/or the limbs of the bow and greatly reduces undesired vibrations and/or noise generated by and during the archery bows use, without interfering with the performance of the bow. The invention also relates to treestands and archery accessories having a low noise profile. | 01-15-2009 |
| 182130000 |
PLURAL PLATFORMS, COMMON SUPPORT | 2 |
| 20110284326 | METHOD AND APPARATUS FOR USE IN LINING A CURVED WALL - Apparatus for use in lining a curved wall comprising staging ( | 11-24-2011 |
| 20090152048 | Scaffolding Arrangement and Method of Assembly - A scaffolding assembly including at least one scaffolding climbing tower defined by four corner standards, two or more working platforms, and one or more intermediate platforms between at least one pair of working platforms. | 06-18-2009 |
| 182101000 |
LADDER WITH VERTICALLY MOVING PLATFORM OR ESCAPE | 2 |
| 20130068559 | Cargo Lifting Device For A Ladder - A cargo lifting apparatus for use with a ladder includes a lift track coupled to each ladder side rail. Each lift track includes first and second adjacent channels, the first channel defining a longitudinal slot. The apparatus includes a carrier assembly having a back portion, a pair of support members extending perpendicularly and forwardly from the back portion, opposed mounting members configured to be received in a respective first channel slot, and rollers attached to the back portion configured to bear against respective ladder side rails. A motor/brake combination is coupled to a lower rung of the ladder. A pulley assembly includes a lower sprocket operatively coupled to the motor, an upper sprocket, and a cord extending between the sprockets and coupled to the carrier assembly for selectively raising and lowering the carrier assembly when the motor is activated or deactivated. | 03-21-2013 |
| 20090152045 | MOBILE MOUNT FOR ATTACHMENT OF A FALL ARREST SYSTEM - A mobile mount for attachment of a fall arrest system. The mobile mount includes a mobile base, a support, at least one base, at least one arm and at least one anchor. The mobile base has a first side and a second side. The support extends upward from proximate the first side of the mobile base. The support also has a first end coupled to the mobile base and a second end. The at least one brace is coupled between the support and the mobile base to maintain the support in an upward position in relation to the mobile base. The at least one brace is slideably coupled to the mobile base. The at least one arm assembly is coupled to the second end of the support and extends from the support so as to be cantilevered over the mobile base. The at least one anchor is configured to be attached to the fall arrest system. Moreover, the at least one anchor is coupled to the at least one arm assembly. | 06-18-2009 |
| 182053000 |
DETACHABLE WINDOW SEAT TYPE | 1 |
| 20110056765 | Window Platform And Method For Using Same - A method and apparatus for securing a platform to a window ledge is provided. The apparatus comprises a frame. The frame has a first support rail, a second support rail and a plurality of support members. Each of the support members have a top and a bottom end and wherein the at least one support rail is fixedly attached to the top ends of each of the plurality of support members. The bottom ends of each of the plurality of support members are fixedly attached to the second support rail. The apparatus has a platform fixedly attached to the second support rail. The apparatus has at least one hanging member having a top and a bottom end, wherein the bottom end is fixedly attached to the at least one support rail and the top end is adapted to be secure secured to a window ledge. | 03-10-2011 |
| 182051000 |
WITH FLUID HANDLING | 1 |
| 20090045011 | SELF-POWERED LIFT APPARATUS - A self-powered lift apparatus includes a support base, a hitch member, a mast, a movable lift boom, and a power unit. Optionally, the lift apparatus may also include at least one movable stabilizer or support leg. The hitch member is coupled to the support base and is adapted to be received by a hitch receiver on a vehicle. The hitch receiver on the vehicle may provide any one of a hitch socket, a three-point hitch, or a universal mount on a skid-steer vehicle. The lift apparatus is powerable solely by the power unit mounted at the lift apparatus and is operable to move the movable lift boom to lift a person or another implement, without reliance on any power supplied from the vehicle. Optionally, the lift apparatus is at least partially supported in a cargo bed of the vehicle. | 02-19-2009 |
| 182104000 |
PIVOTALLY CONNECTED LADDERS, MUTUALLY SUSTAINING | 1 |
| 20090000867 | Plastic ladder - A ladder made by plastic material includes a first ladder unit which includes two side rails with a plurality of rungs integrally connected between the two side rails. A head step is integrally connected to two respective top ends of the two side rails. The first ladder unit includes an open first side and a closed second side. Each of the rungs includes a latitude rib and altitude ribs connected to an inner periphery of the open first side so as to define a plurality of chambers in the open first side of each rung, and each side rail includes two sidewalls and a plurality of latitude ribs connected between the two sidewalls so as to define chambers separated by the latitude ribs. Each rung has an anti-slip top surface. A second ladder unit can be pivotably connected to the first ladder unit at two respective head steps. | 01-01-2009 |
| 182042000 |
ENDLESS CONVEYER ESCAPE | 1 |
| 20110000742 | Device for Evacuating People from a Building | 01-06-2011 |
| 182241000 |
MOVABLE STRAND ESCAPE AND MEANS FOR RETARDING TRAVEL OF STRAND | 1 |
| 20090014242 | Wirelessly controlled fire escape devices - Disclosed is a fire escape device which can be controlled wirelessly. The device comprises a rope winding unit having a rope, a carrying unit fixed to one end of the rope, a main control unit fixed onto a building, through which the rope is connected to the man-carrying unit so as to control a descent process of the carrying unit, and at least one wireless remote control capable of communicating with the main control unit and operating the same. | 01-15-2009 |
| 182001000 |
MEANS MAINTAINING STEP LEVER ON HORIZONTALLY PIVOTED LADDER | 1 |
| 20090020360 | LANDING LADDER - The present invention involves a selectively collapsible ladder which permits for adjusting the pitch of the steps between at least two pitches, one pitch being where the ladder collapsed for storage and another pitch whereby the steps are positioned for use by a user. The ladder includes a support structure comprising one or more support rails for extending between the ground and a loading or work surface or storage compartment. The steps are connected together by one or more links for effecting simultaneous movement of the steps. A stop mechanism is provided to releasably fix the step pitch relative to a support rail. The stop mechanism may include a ratchet mechanism that permits setting the pitch of the steps at one of several available pitch settings. | 01-22-2009 |
