Actor Marlon Brando has four patents, all named "Drumhead tensioning device and method."
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| Number | Title | Issue Date |
| 8056677 | Lift system with articulably joined subchassis This lift system serves as a powered ladder having a small footprint. The system is divided into two subchasses with a mast fixedly attached to a first subchassis for support of a liftable platform which may carry a human operator. Maneuverability is accomplished by... | 11/15/2011 |
| 7383922 | Load stopping system A load stopping system for mechanically stopping a load in a relatively slow and controlled manner using rotational and frictional forces. The system includes a glide rod, a guide collar that moves longitudinally over the glide rod, two vertically mounted friction r... | 06/10/2008 |
| 7370725 | Motorized rungless ladder A device supported by a ground surface and a structure for at least one of elevating and descending a user. The device includes a first guide rail having a first channel extending along a length thereof and a second guide rail having a second channel extending along... | 05/13/2008 |
| 7309080 | Extendable arm for a motor vehicle An extendable arm that extends from a police vehicle towards a pulled over vehicle. The arm allows for two-way communication or document transfer. The police officer can position the extendable arm while seated in the vehicle. The extendable arm includes a main shaf... | 12/18/2007 |
| 7281609 | Elevator inspection safety devices An elevator car includes a cross-head portion and a balustrade mounted to the cross-head portion. The balustrade is moveable from a retracted position for normal operation of the car to a deployed position for inspection operation of the car. The car further include... | 10/16/2007 |
| 7281608 | Loading/unloading device for shelving The invention relates to a rack serving device (1) with a load-bearing means (4) displaceable in the height direction of a mast (2), the mast (2) being guided by means of bogie assemblies (7, 8) on bottom and top guide tracks and m... | 10/16/2007 |
| 7222697 | Elevator An elevator is described, comprising a first series connected pulley set installed in a fixing frame, a carriage located below the first series connected pulley set, a second series connected pulley set installed on the top of the carriage, a rotary wheel installed ... | 05/29/2007 |
| 7165650 | High-rise, fire-fighting, rescue and construction equipment An elevator system for traveling on a rail attached to the outside of a high-rise building. One elevator has a telescopic arm attached for reaching any position on or above the building. The telescopic arm consists of two parts, which are interconnected with a pivot... | 01/23/2007 |
| 7014011 | Scaffolding lift system A scaffolding lift system includes a base member and a plurality of elongated vertical support members secured to the top surface of the base member. A power-operated motor is positioned adjacent the scaffolding and on the base member. The scaffolding further includ... | 03/21/2006 |
| 7008359 | Exercise apparatus An exercise apparatus including a base, a platform, and a resilient member located between and attached to both the base and the platform. The resilient member can rotate, twist, and tilt in every angle while also providing a resistance force to all degrees of movem... | 03/07/2006 |
| 7004288 | Lift apparatus The invention provides a lift apparatus for use with a ladder having two spaced upright stringers and a plurality of horizontal rungs bridging the stringers and spaced at a distance vertically from one another. The lift apparatus comprises a frame, a prime mover mou... | 02/28/2006 |
| 6702064 | Lifter having tiltable support rack assembly A lifter includes a beam tiltably secured on top of an elevator for supporting an object to be elevated. A base is secured on top of the elevator, and a seat secured to the beam and having one end rotatably secured to the base with a shaft. A bracket and ... | 03/09/2004 |
| 6543578 | Analog control A control system for three mechanisms of a machine may include a pair of pivotable or rotatable structures and a telescoping or longitudinally urgeable structure that are coupled to a single handgrip and contained within a single structure. The control st... | 04/08/2003 |
| 6471004 | Self locking basket assembly A self locking basket assembly has a basket extending from a base platform, and a gate system for releaseably securing a worker within the cage. The gate system includes a gate operatively mounted on a pivotable locking mechanism. The locking mechanism is... | 10/29/2002 |
| 6401864 | Collapsible stabilizing devices A stabilizing system includes at least one outrigger assembly. Each outrigger assembly has a pivotable first leg operably connected to a second leg. At least one locking mechanism is operatively mounted to the pivotable first leg and the second leg. At le... | 06/11/2002 |
| 6378652 | Lateral jib for vertical mast mobile elevating work platform A lifting apparatus for a mobile crane work platform comprising a telescopic mast with a base section, and a plurality of vertically movable sections, the work platform being connected by an articulated arm assembly to the highest deployed movable section... | 04/30/2002 |
| 6297744 | Aerialift warning system and method An aerialift warning system and method for use on aerialift equipment to warn the aerialift operator to fasten his/her safety lanyard and to warn persons within the zone of danger below the aerialift boom/basket of the impending danger posed by the descen... | 10/02/2001 |
| 6253878 | Ergonomically adjustable machine operator platform An ergonomically adjustable machine operator platform includes a worker support surface which includes a top surface and a bottom, a plurality of support legs disposed on a floor, wherein each support leg includes an external threaded surface portion, a d... | 07/03/2001 |
| 6174124 | Load trays for personnel carrying vehicles A multi-task capable work assist vehicle is designed for transporting an operator and items to be handled by the operator and for elevating the operator with such items supported upon a load tray elevated with the operator. Preferably the load tray is mou... | 01/16/2001 |
| 6170606 | Analog control A mobile machine which carries the operator of the machine is equipped with a control which has a shape, geometry and motion analogous to that of the machine and which causes machine motion analogous to the motion imparted to the control by the operator. ... | 01/09/2001 |
| 6095284 | Elevatable stands for physically challenged hunters An elevatable stand construction 10 for physically challenged hunters which includes a ladder style main framework member 20 supported in an upwardly angled disposition, a chair style platform member 30 slidably disposed on the main framework member 20, a... | 08/01/2000 |
| 6095286 | Personnel lift with adjustable shim wear blocks A personnel lift (20) having adjustable side-to-side shim assemblies (38a-d) used in conjunction with a series of slide blocks (39, 40) in the mast of the personnel lift. The mast of the personnel lift includes a number of nested columns (24a-e) that exte... | 08/01/2000 |
| 6065565 | Hybrid power system for a vehicle An apparatus includes a generator assembly having a power source operable to power a generator. The generator is connected to a battery assembly having one or more batteries. The battery assembly is operably connected to a drive system, such as an electri... | 05/23/2000 |
| 6050365 | Scissors-type work platform lift machine with electro-mechanical based lift actuation arrangement A scissors-type work platform lift machine includes a mobile chassis having rear stationary wheels and front steerable wheels, a scissors lift mechanism mounted at a lower end on the chassis, a work platform mounted on an upper end of the lift mechanism, ... | 04/18/2000 |
| 6019190 | Motor cover for a work assist vehicle A work assist vehicle includes a self propelled, steerable body having a chassis and a drive mechanism supported on the chassis; a mast assembly coupled to the body; and, a personnel compartment attached to the mast assembly and being movable by the mast ... | 02/01/2000 |
| 5992572 | Personnel carrying vehicle A personnel carrying vehicle comprising a self propelled, steerable body, a telescoping mast attached to and extending upwardly from said body, and a personnel compartment attached to the mast and provided with a rail member that extends from the mast and... | 11/30/1999 |
| 5950760 | Scaffolding system for use on an inclined surface A scaffolding system for use on an inclined surface, such as inside a ship cargo hold. The scaffolding system includes a scaffold pole and a support bracket that secures the scaffold pole to a support surface. The support bracket is only in place temporar... | 09/14/1999 |
| 5890559 | Personnel lift with automatic set-up transport wheel A personnel lift (20) including a three-wheeled transport in which a rear or transport wheel (30) is connected to a lever arm or handle (32) that is designed to raise and lower the transport wheel (30). Pulling the handle (32) downward drops the transport... | 04/06/1999 |
| 5875869 | Personnel lift with automatic set-up transport wheel A personnel lift (20) including a three-wheeled transport in which a rear or transport wheel (30) is connected to a lever arm or handle (32) that is designed to raise and lower the transport wheel (30). Pulling the handle (32) downward drops the transport... | 03/02/1999 |
| 5850892 | Personnel lift with adjustable shim wear blocks A personnel lift (20) having adjustable side-to-side shim assemblies (38a-d) used in conjunction with a series of slide blocks (39, 40) in the mast of the personnel lift. The mast of the personnel lift includes a number of nested columns (24a-e) that exte... | 12/22/1998 |
| 5803204 | Personnel lift with clamshell cage assembly A clamshell cage assembly is provided for use in conjunction with a portable personnel lift. The personnel lift may be either a jib boom lift or a lift having a multi-sectional telescoping mast. The clamshell cage assembly has an upper and mid-level safet... | 09/08/1998 |
| 5755306 | Personnel lift incorporating an outreach mechanism for an aerial work platform An outreach mechanism (34) for an aerial work platform (22) on a personnel lift (20). The outreach mechanism (34) is designed to attach an aerial work platform (22) to the upper section (24A) of a vertical lift assembly (24) of a personnel lift (20). The ... | 05/26/1998 |
| 5722505 | Man platform for an aerial boom A man-lifting platform for mounting on an aerial boom comprising a frame adapted to be pivotally connected to the distal end of the aerial boom. The frame has a pair of sleeves on opposite sides thereof and a pair of rods in the sleeves. The rods are secu... | 03/03/1998 |
| 5645142 | Wedge braking system for multi-stage lifts Apparatus for braking relative vertical movement between two vertical members includes a ramp mounted on one of the members to oppose a vertical face on the other. If the ramp member accelerates downwardly a wedging roller is wedged between the ramp and t... | 07/08/1997 |
| 5636705 | Apparatus for moving a work platform along a rail The scaffolding comprises a post having a plurality of vertically aligned and equally spaced studs protruding on one of its surfaces. A frame supporting a work platform can move along the post, a sleeve being attached to the frame for guiding it along the... | 06/10/1997 |
| 5586616 | Rotatable scaffold A scaffold adapted to be used with a forklift truck. The scaffold may be rotated manually 360 degrees by a worker after being lifted by the forklift. The unit is simple in construction, inexpensive, safe and easy to use.... | 12/24/1996 |
| 5555953 | Portable scaffolding attachment for front end loader or forklift A scaffolding system which is attached to a prime mover such as a front end loader or forklift and has "Wings" or platforms extending outward from a "Center Frame" or platform and rotating in relation to it. The surface of the "Wings" upon which workmen s... | 09/17/1996 |
| 5497851 | Pivoting work platform A lifting platform for elevating workers and materials during construction includes a load supporting deck (12). The deck is supported on a pair of intersecting channels (24). The channels are rotatable about a pin (28) which extends through upper and low... | 03/12/1996 |
| 5487446 | Apparatus for self-adjusting the height of an outrigger attachable to scaffolding An apparatus for self-adjusting the height of an outrigger attachable to scaffolding comprising a support having a back wall and side walls with a plurality of apertures located along the length of the back wall, the exterior of the back wall having clamp... | 01/30/1996 |
| 5390104 | Adaptive control man-augmentation system for a suspended work station An adaptive control man-augmentation system controls the movement of a suspended work station. A support structure, usually mounted on a chassis, has an extendible boom and a work station at the end of the boom. A directing member pivots in accordance wit... | 02/14/1995 |