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"I hate what they've done to my child...I would never let my own children watch it. "
Vladimir Zworykin, television pioneer ; Talking about an invention in which he played a critical role.
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| Number | Title | Issue Date |
| 7753169 | Wheeled support platform for a stepladder A wheeled platform for supporting a stepladder includes an adjustable size frame carrying a plurality of swivelable and rotatable wheels for movably interengaging an underlying surface. The frame includes a plurality of adjustable mounting brackets that are releasab... | 07/13/2010 |
| 7337878 | Emergency ladder system An emergency ladder system for providing an exit from non-ground level floors of a building in the event of an emergency such as a fire includes an alarm system having fire detectors positioned in a building. The alarm system is operationally coupled to a ladder pos... | 03/04/2008 |
| 7328810 | Crane supporting apparatus A crane support consisting of a steel square tubing pedestal having an apertured mounting plate fixedly attached to its upper end, and having an enlarged base fixedly attached to its lower end; an axle, the pedestal being mounting rotatably upon the axle; an auxilia... | 02/12/2008 |
| 7322586 | Non-powered transportable cart A cart for supporting cargo thereon has wheels at one end and a handle at an opposite end to allow the cart to be transported manually on a ground surface. The cart has an upper bracket and a pair of laterally spaced lower brackets on one of its sides for mounting t... | 01/29/2008 |
| 7270319 | Multiple degree of freedom compliant mechanism A compliant mechanism is provided for accurate and precision alignment of mechanical component parts, surfaces or assemblies and the like, where low-cost, accurate, and repeatable alignment are desired. The compliant mechanism may be used in applications that requir... | 09/18/2007 |
| 7246782 | Apparatus and method for a temporary spread footing An apparatus and method for providing a temporary spread footing for supporting a variety of different vertically extending structures. The apparatus includes a frame with a top and bottom. The frame can have a substantial space or void in between the top and bottom... | 07/24/2007 |
| 7228936 | Mobile scaffolding braking system A mobile scaffold (10) having bi-axially rotatable casters (22–28) and including brake assemblies (30 and 32) associated with the casters (22–28) is disclosed. The inventive brake assemblies (30,32) enable an elevated wo... | 06/12/2007 |
| 7219765 | Device for the arrangement of a personnel-operated apparatus in the ceiling area of a stage or an auditorium A work platform for a lighting operator or a cameraman is described, which has a mounting for the apparatus to be operated and a seat for the operator. The work platform consists thereby of foldable sidewalls, which in a transport position lie parallel with the floo... | 05/22/2007 |
| 7194779 | Vehicle stand system A vehicle stand system comprises four stands (1, 2, 3 and 4) each of which includes an upwardly presented support surface for supporting a wheel of a vehicle, two bridge pieces (5 and 6) having means for releasable attachment to the stand... | 03/27/2007 |
| 7185899 | Riser cart A riser cart including a cart support frame, a first swing arm post assembly and a second swing arm post assembly. The cart support frame has a plurality of wheels rotatably attached thereto. The first swing arm post assembly is mounted to the cart support frame. Th... | 03/06/2007 |
| 7184862 | Turret targeting system and method for a fire fighting vehicle A turret control system and method for a fire fighting vehicle is disclosed. The turret control system includes one or more control modules, such as an envelope control module, turret targeting module, a turret pan module, a turret deploy module, a turret store modu... | 02/27/2007 |
| 7162332 | Turret deployment system and method for a fire fighting vehicle A turret control system and method for a fire fighting vehicle is disclosed. The turret control system includes one or more control modules, such as an envelope control module, turret targeting module, a turret pan module, a turret deploy module, a turret store modu... | 01/09/2007 |
| 7140467 | Bulk material transport vehicle access structure A bulk material transport vehicle access structure includes an elongated service platform for workers which is pivotally supported at its opposite ends to cantilever arms on parallel horizontal axes to avoid binding between the roller carriages of the cantilever arm... | 11/28/2006 |
| 7127331 | Turret operator interface system and method for a fire fighting vehicle A turret control system includes one or more control modules, such as an envelope control module, turret targeting module, a turret pan module, a turret deploy module, a turret store module. The preferred turret control system also provides improved turret control f... | 10/24/2006 |
| 7121381 | Move-on ladder system A system and method for providing an improved ladder for enabling a user to climb up or down and forward or backwards movement relative to a surface. The system enables increased mobility and stability. The system can be designed in multiple ways which some of them ... | 10/17/2006 |
| 7100741 | Roller assembly for a ladder An aerial ladder roller assembly to improve the function of the ladder during extension and retraction of sections of a multiple-section aerial ladder. One embodiment has a plurality of aligned apertures for rotatably mounting and a roller that is rotatably mounted ... | 09/05/2006 |
| 7086500 | Extensible, self locking platform and method of using same An extensible, self locking platform includes a first assembly having a first plurality of substantially parallel longitudinally extending members and a second assembly having a second plurality of substantially parallel longitudinally extending members. The first a... | 08/08/2006 |
| 7048091 | Portable lifeguard chair A portable chair is disclosed having a seat, a frame that supports the seat, a ladder that provides access to the seat; and a hollow tank that holds a liquid mass, connected to the frame. The frame includes first and second side supports each having a forward suppor... | 05/23/2006 |
| 7044704 | Portable load lifting bed The invention relates to a portable load lifting bed including a base frame and a bed frame moveably mounted for movement between an upper position and a lower position. A plurality of guides connect the bed to the base frame and at least one actuator provides force... | 05/16/2006 |
| 7036631 | Wheel attachment for ladder A wheeled dolly or support for a ladder is made in two pieces, including a base plate that permanently affixes to an outside surface of a rail of a ladder, and a frame that is removably mounted on the base plate. The frame carries wheels that will support the ladder... | 05/02/2006 |
| 7017643 | Guard assembly and handrail for use with overhead doors A guard assembly is used near a doorway with an overhead door on a platform having at least one post mounted adjacent the doorway. The assembly preferably comprises a barrier adapted to extend across the doorway and having at least one coupling which is adapted to c... | 03/28/2006 |
| 7011486 | Portable hoisting device A collapsible, portable hoist that can be assembled and operated by a single individual, for lifting and conveying heavy objects onto and off of trucks, especially pickup trucks. When not in use, the hoist collapses down to a flat storage configuration that rests on... | 03/14/2006 |
| 6962233 | Mobile ladder stand A safety ladder stand comprising a generally rectangular base having a front and rear and a center beam, a plurality of stair treads extending upward from the front of said base and means for supporting said stair treads secured to said base, front wheels mounted at... | 11/08/2005 |
| 6951265 | Foldable stairway ladder A foldable stairway ladder for use in accessing items includes a structure that can be conveniently folded to reduce the amount of space taken up by ladder when not in use. The ladder consists of a stairway section connected to a platform, in turn rotatably connecte... | 10/04/2005 |
| 6942233 | Retractable vehicle step A retractable step for use with a vehicle comprises a stepping member having a stepping deck, a first arm, a second arm, a motor and a stop. The first arm has a first end pivotally attached to the vehicle, and a second end pivotally attached to the stepping member. ... | 09/13/2005 |
| 6938909 | Retractable vehicle step A retractable step for use with a vehicle comprises a stepping member having a stepping deck, a first arm, a second arm, a motor and a stop. The first arm has a first end pivotally attached to the vehicle, and a second end pivotally attached to the stepping member. ... | 09/06/2005 |
| 6938730 | Buddy's adjustable height workhorse The adjustable height workhorse is a height adjustable workspace for allowing a worker to easily hang sheet rock on walls at elevated heights. The workhorse provides a platform supported by a frame having a plurality of vertical posts and a plurality of horizontal h... | 09/06/2005 |
| 6932194 | Safety rail for scaffolding A first embodiment of a safety rail for a folding scaffolding cart comprises a single hollow metal tube having two longitudinal ends and shaped to have three smooth 90 degree bends to fit diagonal posts of a folding scaffold. The portable scaffolding cart is a foldi... | 08/23/2005 |
| 6922615 | Turret envelope control system and method for a fire fighting vehicle A turret control system includes one or more control modules, such as an envelope control module, turret targeting module, a turret pan module, a turret deploy module, a turret store module. The preferred turret control system also provides improved turret control f... | 07/26/2005 |
| 6915878 | Self-balancing ladder and camera dolly A device and methods for supporting a payload, such as a user, at a variable height above the ground and for repositioning the payload in a dynamically stabilized mode of operation. The transporter device has two laterally disposed primary wheels and a payload suppo... | 07/12/2005 |
| 6871892 | Apparatus to lock and unlock scaffold casters An apparatus used as a tool, to lock and unlock the casters of a scaffold while the user is on top of a scaffold. The apparatus is an elongated pole and adjustable sleeve with a spring-loaded push button mechanism, to change the length of the apparatus. There are a ... | 03/29/2005 |
| 6688426 | Wheel extension and lift device for ladders A device for allowing a user to selectively extend and retract wheels at the feet of an A-frame stepladder thereby enabling the user to move the ladder from point "A" to point "B" without physically moving, lifting or dragging the ladder. The apparatus in... | 02/10/2004 |
| 6523640 | Undercarriage for mobile ladders and platforms An undercarriage for a mobile ladder stand or other similar warehouse apparatus includes a pair of retractable wheels located at the rear of the undercarriage frame and a pair of retractable wheels located at the middle of the undercarriage frame. When th... | 02/25/2003 |
| 6516917 | Outrigger assembly for a mobile telescopic belt conveyor An outrigger assembly useful for supporting and stabilizing a mobile work machine, such as a vehicle-mounted telescopic belt conveyor, while the work machine is operating. The outrigger assembly includes a stationary support housing mounted to the vehicle... | 02/11/2003 |
| 6305496 | Safety mobile ladder stand The ladder stand employs a pair of swivable caster wheels at the front and a pair at the rear which are used in cooperation with a pair of closely located non-swivable caster wheels, thereby providing a structure which has three modes of operation, one mo... | 10/23/2001 |
| 6283249 | Mobile ladder with lifting tray A combined stepped structure and lifting mechanism includes a base and a framework secured to the base, the framework having a pair of spaced apart vertical tubes rising upwardly from the base. A ladder is incorporated in the framework and a vertical trac... | 09/04/2001 |
| 6216818 | Mobile ladder including a goods lift A mobile ladder (10) including a goods lift (12) which can be driven between upper (FIG. 3) and lower (FIG. 4) positions. The ladder has a default-immobile state which can be overcome by a force manually applied to a handle. The ladder can then be moved a... | 04/17/2001 |
| 6179087 | Ladder A default-immobile ladder (10) includes mobility means (12) displaceable between a ladder immobile position and a ladder mobile position in which the mobility means extends downwardly beyond the foot of the ladder and manually actuable means (32) for disp... | 01/30/2001 |
| 6173810 | Trailer personnel lift with a level sensor and manually set outriggers A trailer personnel lift (20) with a level-sensing system (69). The level-sensing system (69) provides information to a level-indicator display (72) that indicates which outriggers (34) of the trailer personnel lift (20) need to be lowered. Upon lowering ... | 01/16/2001 |
| 6039147 | Mobile ladder stand A safety ladder stand comprising a generally rectangular base having a front and rear and a center beam, a plurality of stair treads extending upward from the front of said base and means for supporting said stair treads secured to said base, front wheels... | 03/21/2000 |
