Class / Patent application number | Description | Number of patent applications / Date published |
182003000 |
TORSO HARNESS
| 340 |
182129000 |
COMBINED
| 146 |
182112000 |
SAFETY DEVICE, PLATFORM ASSOCIATED
| 106 |
182107000 |
SAFETY DEVICE FOR GROUND-SUPPORTED LADDER
| 104 |
182194000 |
LADDER
| 79 |
182082000 |
WALL- OR FLOOR-ATTACHED
| 66 |
182630100 |
HAVING TRANSPOSITIONING BASE AND ERECTING MEANS
| 64 |
182141000 |
PLATFORM WITH ELEVATING OR LOWERING MEANS
| 62 |
182222000 |
PLATFORM
| 52 |
182115000 |
LADDER AND PLATFORM
| 50 |
182152000 |
UNITARY FOLDABLE, RIGID SCAFFOLD OR LADDER
| 39 |
182018000 |
WITH INDICATOR, SIGNAL OR ALARM
| 36 |
182036000 |
TRAVERSING, TRACK-MOUNTED
| 35 |
182187000 |
SCAFFOLD EXTERNAL OF SHAFT
| 31 |
182179100 |
SELF-SUSTAINING
| 30 |
182106000 |
WITH HANDRAIL OR GUARD FOR LADDER
| 30 |
182048000 |
CHUTE OR ESCAPE TOWER FOR PERSONNEL
| 24 |
182045000 |
PITCHED ROOF CONFORMING SCAFFOLD
| 24 |
182020000 |
CONVERTIBLE
| 23 |
182133000 |
POLE OR STRAND GRASPING-TYPE CLIMBER
| 21 |
182019000 |
AUTOMATIC CONTROL
| 21 |
182127000 |
LADDER WITH LAND VEHICLE
| 21 |
182012000 |
HORIZONTAL TRAVERSING - ACTUATION, CONTROL, OR RESPONSE
| 19 |
182070000 |
WITH STORAGE DEVICE FOR SUPPLE ESCAPE
| 19 |
182150000 |
SUSPENDED PLATFORM
| 17 |
182200100 |
MEANS MAINTAINING PLATFORM LEVEL ON ANGULARLY MOVABLE SUPPORT
| 15 |
182189000 |
SINGLE STILE, STRAND OR POLE
| 15 |
182165000 |
LADDER WITH PIVOTED PROP
| 13 |
182230000 |
MISCELLANEOUS
| 12 |
182241000 |
MOVABLE STRAND ESCAPE AND MEANS FOR RETARDING TRAVEL OF STRAND
| 11 |
182104000 |
PIVOTALLY CONNECTED LADDERS, MUTUALLY SUSTAINING
| 10 |
182128000 |
SCAFFOLD SUPPORTED INTERNALLY ON SHAFT
| 9 |
182137000 |
BODY CATCHER
| 9 |
182101000 |
LADDER WITH VERTICALLY MOVING PLATFORM OR ESCAPE
| 7 |
182130000 |
PLURAL PLATFORMS, COMMON SUPPORT
| 7 |
182178100 |
STACKABLE
| 6 |
182077000 |
DOOR AND LADDER | 5 |
20130256057 | FOLDING STAIRS, ESPECIALLY LIGHT WOODEN STAIRS - Folding stairs have three segments of ladder stairs connected by hinges. The first segment of stairs is connected by an articulated joint with door frame by means of hinge holders fitted from inside to door frame wall, and during unfolding of these stairs rotation axle of the first segment of stairs does not change its position against door frame. Flap is suspended to the first segment of stairs by means at least two couples of connecting rods, which together with the first segment of stairs and the flap form four-bar linkage. | 10-03-2013 |
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 |
20150122580 | AUTOMATIC FOLDABLE LADDER - A foldable ladder for providing access to an opening including: a first motorized drive mechanism for moving a cover for the opening between a closed position and an open position; a second motorized drive mechanism coupled to a plurality of foldable ladder portions for moving the ladder portions between a folded configuration and an unfolded configuration; such that, in moving the cover between the closed and an open position, the first motorized drive mechanism triggers the second motorized drive mechanism to move the ladder portions between the folded configuration and unfolded configuration. | 05-07-2015 |
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 |
182224000 |
SCAFFOLD HORSE BEAM OR LEG | 5 |
20090026013 | Adjustable and transportable scaffolding - An adjustable and transportable scaffolding ( | 01-29-2009 |
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 |
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 |
20150075909 | WORK BENCH SUPPORT BRACKET - A work bench support bracket with first and second opposed, generally upright sockets for receiving wood members is joined to first and second telescopically intereonnectible, generally horizontal sockets, respectively. First and second clamping sets are also joined to the first and second generally upright sockets, respectively. Each of the clamping sets comprises an upper releasable chimp and a fixed lower brace member. The upper releasable clamp comprises a grip pivotably attached to the upright socket, a connector extending from the grip, and a handle pivotably connected to the connector. The work bench support bracket provides for the secure attachment of the wood members and reduces the likelihood of an accidental release of the wood members. | 03-19-2015 |
182221000 |
LEG OR SHOE ATTACHABLE POLE CLIMBER | 4 |
20140014440 | LIGHT WEIGHT CLIMBER PAD - A lightweight pad system for a climber is disclosed having a bracket with a curved portion in the shape of a “C” and ends including elongate slots for receiving a strap. The bracket has a recessed columnar channel extending below the lower edge of the plane of the plate, the channel forming an angle with the lower edge in a range of between seventy two degrees and seventy five degrees. Hook and loop fastener is affixed to the “C” shaped plate between a first end and the channel, and a strap passes through the bracket for adjusting the fit of the pad assembly. Inside the bracket is a removable pad having a “C” shape corresponding with the curved plate, the removable pad having a back surface comprising complimentary hook and loop fastening material cooperating with the first hook and loop fastener material to achieve a releasable attachment with the bracket. | 01-16-2014 |
20140238779 | TWO PIECE CLIMBER APPARATUS - A two piece climber includes an upper calf bracket portion and a lower “J” shaped stirrup bracket portion permanently or removably interchangeably connected together. The lower “J” shaped stirrup bracket portion includes an upper slotted portion for receiving the lower portion of the upper calf bracket portion. The lower “J” shaped stirrup bracket portion also includes a bottom grooved or knurled grip portion to provide traction for an arborist walking across branches. | 08-28-2014 |
20150008074 | LIGHT WEIGHT CLIMBER PAD - A lightweight pad system for a climber is disclosed having a bracket with a curved portion in the shape of a “C” and ends including elongate slots for receiving a strap. The bracket has a recessed columnar channel extending below the lower edge of the plane of the plate, the channel forming an angle with the lower edge in a range of between seventy two degrees and seventy five degrees. Hook and loop fastener is affixed to the “C” shaped plate between a first end and the channel, and a strap passes through the bracket for adjusting the fit of the pad assembly. Inside the bracket is a removable pad having a “C” shape corresponding with the curved plate, the removable pad having a back surface comprising complimentary hook and loop fastening material cooperating with the first hook and loop fastener material to achieve a releasable attachment with the bracket. | 01-08-2015 |
20160045788 | Gaff for Tree and Pole Climber - A climber for use by a user when climbing a tree or pole. The climber includes a stirrup in which the user's foot is to be positioned, a leg iron that extends along the interior side of the user's leg, and a gaff attached to the exterior of the leg iron and that includes a downwardly directed pointed end for biting into the tree or pole and assist the user in climbing or descending the tree or pole. The gaff extends in a plane that is angularly offset relative to the plane in which the stirrup and leg iron extend, thereby keeping the gaff pointed toward the heart of the pole or tree which aids in preventing cutout and promotes ease of climbing. | 02-18-2016 |
182151000 |
KIT OR SEPARABLE PARTS | 4 |
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 |
20150027813 | Adjustable Deer Stand Support System - An adjustable deer stand support system for that supports various types of deer stands having different widths. The adjustable deer stand support system generally includes a stand support arm having a support member and a first pair of adjustable support units adjustably positioned upon the support member. Each of the first pair of adjustable support units includes a sliding bracket that adjustably connects to the support member, an extended member that extends upwardly from the sliding bracket and an engaging member to secure the sliding bracket in a desired longitudinal position along the support member. The extended member is adapted to extend into a lower opening of a lower leg within a deer stand. | 01-29-2015 |
20160123024 | DECK FOR A SHORING TOWER - The invention concerns a deck ( | 05-05-2016 |
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 |
182010000 |
INCLINED CABLE SUPPORTING CARRIER TRAVELING THEREALONG | 3 |
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 |
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 |
20140318890 | RUNNER FOR GUIDANCE ALONG A GUIDE CABLE OF AN ANCHORING DEVICE - A runner 7 has a housing 21 with two runner wheels 23 attached to the housing. The housing includes a sleeve 25 that can freely turn around the longitudinal axis 27 in a channel 29 present in the housing. The sleeve constitutes an elongated guide opening by which the runner can be moved over the guide cable. | 10-30-2014 |
182051000 |
WITH FLUID HANDLING | 3 |
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 |
20140299412 | Fluid Dispensing Ladder - A safety ladder for protecting a lineman or firefighter from a flash fire. The ladder has the appearance of a conventional ladder but include fluid conduits that allow for dispensing of a fire suppressants to be sprayed over an individual using the ladder should a fire erupt. The rungs of the ladder have spray nozzles located along the bottom of the rung so that they do not interfere with normal use of the ladder. A pressurized container of fire suppressants is coupled to the ladder, through a battery powered solenoid valve. The solenoid valve can be operated by the individual using the ladder by use of a triggering device, or remotely by an individual positioned apart from the ladder by a remote triggering device. The triggering device can be operated electrically or by radio frequency, can be temperature sensitive, or can be manually bypassed. | 10-09-2014 |
20150027811 | MAINTENANCE ASSEMBLY ADAPTABLE WITHIN GAS TURBINE ENGINE - The maintenance assembly, for workers to perform maintenance activities within a gas turbine engine, is capable of being arranged within a cavity, generally around a combustor, accessible from a manhole of the gas turbine engine. The maintenance assembly includes a platform, and an inflatable member cooperatively configured to the platform. The inflatable member is at a normal condition, when placed outside of the cavity, being at a deflated position and is at a working condition, when arranged within the cavity, being at inflated position so as to accommodate a shape coordinating the cavity in such a manner that the platform is advance within the cavity up to a predetermined level to enable the workers on the platform to reach at a predetermined position within the cavity to perform the maintenance activities. | 01-29-2015 |
182046000 |
WITH INSULATION | 3 |
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 |
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 |
20140138183 | SYSTEM FOR RESTRAINING A WORKER AT A UTILITY PLATFORM OF AN AERIAL DEVICE - A restraint system for restraining a worker to a platform of an aerial device comprises a restraint liner and a platform strap. The restraint liner includes four sidewalls, a floor, a lip, an interior anchor, and an exterior anchor. The floor may be coupled to one end of the four sidewalls, while the lip may be coupled to the opposing end of the four sidewalls and may extend therefrom. The interior anchor may be positioned on an interior surface of a first sidewall and operable to couple to a liner strap coupled to a worker. The exterior anchor may be positioned on an exterior surface of the first sidewall. The platform strap may be coupled to the exterior anchor and operable to couple to the platform. | 05-22-2014 |
182053000 |
DETACHABLE WINDOW SEAT TYPE | 2 |
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 |
20130248286 | WINDOW JACK SCAFFOLD AND METHOD OF OPERATION THEREOF - A method and apparatus for providing access to the exterior of a building in proximity to an opening, such as a window or door opening, in a wall of the building. Access is provided by a platform that is supported by brackets from vertical members fastened to the interior of the building. The platform may be passed from the interior of a building to the exterior of the building through an opening in the building. The apparatus may be assembled in, and installed from, the interior of a building. | 09-26-2013 |
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 |
182042000 |
ENDLESS CONVEYER ESCAPE | 2 |
20110000742 | Device for Evacuating People from a Building | 01-06-2011 |
20140060970 | LADDER CLIMBING APPARATUS - A ladder climbing apparatus is provided for use with a ladder having a plurality of rungs. The ladder climbing apparatus includes a frame, a prime mover mounted to the frame and a power supply electrically connected to the prime mover. A pulley system is mounted to the frame, and is mechanically connected to the prime mover. At least two drive belts are configured so that each of the drive belts pass around the pulley system, and the drive belts are connected to the prime mover by the pulley system. A plurality of gripper elements are attached to each of the drive belts. The ladder climbing apparatus is configured so that a portion of the plurality of gripper elements are in contact with at least four rungs of the ladder during an ascent or descent, so that weight is distributed over the at least four rungs of the ladder. | 03-06-2014 |
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 |
182229000 |
PUTLOG OR SPACER | 1 |
20150075910 | Magnetic Scaffold Tie - A magnetic scaffold tie for coupling a scaffold to a tank, wall or beam. The mount has a base platform having an upper planar face and a lower open face and at least one sidewall, at least one magnet coupled between the upper planar portion and lower open face, and proximate an end of the sidewall, a release bar coupled to a release mechanism, the release bar having a plurality of positions. A coupling extension is provided having a first end coupled to and extending substantially orthogonally from the upper planar portion of the platform and a second end of the coupling extension having a scaffold coupling mechanism, such as a clamp, quick release clamp or wedge head. | 03-19-2015 |