Celebrity Inventors
Mark Twain (Samuel L. Clemens) received Patent No. 121,992 for "An Improvement in Adjustable and Detachable Straps for Garments." He later received two more patents: one for a self-pasting scrapbook and one for a game to help players remember important historical dates.
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| Number | Title | Issue Date |
| 8007220 | Wheelchair lifting bay A wheelchair lifting bay comprising base means, a lifting platform, lifting means and pivot means, in which the lifting platform is connected to the base means by the pivot means, in which the lifting platform comprises a bottom wall and a back wall, in which the pi... | 08/30/2011 |
| 7360983 | Portable elevated vehicle display The present invention shows a portable elevated vehicle display that may be lowered for a vehicle to be loaded on a display platform. By extension of a hydraulic cylinder in a parallelogram structure, the display platform and the vehicle may be raised into the air. ... | 04/22/2008 |
| 7360792 | Power wheelchair A power wheelchair is capable of operating in either a two-wheel or a four-wheel drive configuration. The wheelchair includes first and second forward drive wheels in contact a supporting surface. First and second wheel support assemblies each include a support memb... | 04/22/2008 |
| 7347658 | Lift and transport apparatus A wheelchair lift and lateral transport apparatus has a lift assembly operable to elevate a platform supporting a wheelchair from a first ground position to a second elevated position adjacent a side of a motor vehicle. A headrest is mounted on the upper end of the ... | 03/25/2008 |
| 7303181 | Jack for heavy objects A transmission Jack and apparatus that can raise and lower heavy objects between a floor surface and a higher elevation is disclosed. The transmission jack and apparatus includes a bottom frame mounted on a plurality of wheels. Pivotally attached to the bottom frame... | 12/04/2007 |
| 7293521 | Hydraulic transom lift Devices, apparatus and systems for raising and lowering watercraft such as personal watercraft, jet skis, inflatables from transoms on boats, from bulkheads and from docks, and for raising and lowering other types of vessels. A single actuator such as a fluid operat... | 11/13/2007 |
| 7284944 | Lift and transport apparatus A wheelchair lift and lateral transport apparatus has a lift assembly operable to elevate a platform supporting a wheelchair from a first ground position to a second elevated position adjacent a side of a motor vehicle. A headrest is mounted on the upper end of the ... | 10/23/2007 |
| 7275713 | Jack apparatus A jack apparatus for lifting an aircraft having landing gear including snow skis comprising a generally rectangular base having a first end, a second end opposite the first end, and at least two lateral members extending between the ends. The base is sized and shape... | 10/02/2007 |
| 7273329 | Hydraulic boat lift An improved boat lift with an hydraulically-powered jack is provided with a locking mechanism, not only for maintaining the lift in its raised position when water pressure in the jack cylinder is released, but also to make it difficult or impossible to unlock by a p... | 09/25/2007 |
| 7246970 | Shallow water watercraft lift A watercraft lift with translating bunks supported by a base frame and having rollers mounted to the base frame to initially raises the watercraft upward when driven onto the lift sufficiently to be positioned above the bunks when in their lowered position and there... | 07/24/2007 |
| 7226041 | Winch assembly for a lift structure supportive of a recreational boat and related watercraft An improved winch assembly adaptably configured for use with a new or existing lift structure suitably dedicated for short- and long-term storage of a recreational boat and related watercraft. The winch assembly comprises three drive assemblies housed and mounted wi... | 06/05/2007 |
| 7207419 | Safety lock system for a lift A lift having a safety lock system includes a mast that may be supported by a base, and a frame that can be lifted or lowered along the mast. The safety lock system includes a first support beam that is located adjacent to the mast and a second support beam that is ... | 04/24/2007 |
| 7179040 | Luggage storage structure for automobile and lifter A luggage storage structure for an automobile includes: a storage concave portion formed so as to project downward on a floor panel and capable of storing luggage, a plate member for approximately closing an upper part of the storage concave portion, and a transfer ... | 02/20/2007 |
| 7111444 | Lawn tractor lift A lawn tractor lift consisting of a lift arm having a forward end and a rearward end, a tire wheel receiving cradle pivotally mounted upon the forward end of the lift arm; a lever arm having a forward end and a rearward end, and a curved bar providing a variable ful... | 09/26/2006 |
| 7036360 | Powertrain dynamic tilt test rig A test rig is provided for dynamic or static testing of a vehicle powertrain apparatus during operation in varying attitudes. A specific embodiment includes inner and outer frames carried one inside the other on gimbal bearings and pivotable on longitudinal and tran... | 05/02/2006 |
| 7021861 | Low profile floating lift for watercraft A floating low profile watercraft lifting apparatus comprises a buoyant support apparatus and a watercraft lift attached to the buoyant support apparatus. Embodiments of the lift have first and second cantilever arms pivotally mounted to a base at offset pivot point... | 04/04/2006 |
| 7013839 | Transport and fitting stand A fitting stand including a frame arrangement, a platform, and a wheel arrangement. The wheel arrangement includes front and rear wheel assemblies. The frame arrangement is configured to pivot the platform between a lowered position and a raised position. In the low... | 03/21/2006 |
| 6926254 | Jack for heavy objects A transmission jack and apparatus that can raise and lower heavy objects between a floor surface and a higher elevation is disclosed. The transmission jack and apparatus includes a bottom frame mounted on a plurality of wheels. Pivotally attached to the bottom frame... | 08/09/2005 |
| 6918575 | Vehicle tilting system A vehicle tilting system for tilting a vehicle to expose the vehicle's undercarriage is disclosed. More specifically, the present system includes a vehicle support frame pivotally connected to a supporting surface. The vehicle support frame supports a vehicle and pi... | 07/19/2005 |
| 6866288 | Convertible wheelchair and separate lift module for connecting to and elevating the wheelchair A convertible wheelchair is provided along with a separable lift module for engaging and elevating the convertible wheelchair to a selected elevation. A coupling assembly is operative associated with the lift module and adapted to extend therefrom to where the coupl... | 03/15/2005 |
| 6830410 | Bunk beam and bunk cushion apparatus for supporting a watercraft The present invention is directed to an apparatus for supporting the hull of a watercraft using a flexible bunk beam and a convex cushion attached to the beam using locking elements. The beam has a longitudinal recess with a narrow upper neck portion and a larger lo... | 12/14/2004 |
| 6641354 | Wheelchair lifting apparatus A wheelchair lifting apparatus for raising, lowering, and tilting a wheelchair to allow a hairdresser to work on a person's hair while sitting in a wheelchair. The wheelchair lifting apparatus includes a base member for resting upon a floor; and also incl... | 11/04/2003 |
| 6575661 | Boat lift A boat lift having a stationary frame and a lifting frame that can be raised and lowered on the stationary frame. The lifting frame has a front cross member and a rear cross member. A pair of bunk rails are adjustably mounted upon the cross members so tha... | 06/10/2003 |
| 6561750 | Tilting platform for roll testing automotive vehicles A tilting platform for roll testing automotive vehicles rotates the automotive vehicle so that data can be collected to determine various roll characteristics of the vehicle. The tilting platform includes a support platform that is pivotally attached to a... | 05/13/2003 |
| 6520728 | System and method for elevating a watercraft An apparatus (10) is provided for elevating a watercraft out of a body of water and maintaining the watercraft at a predetermined elevation over the water or removing the watercraft therefrom for towage behind a vehicle. Apparatus (10) includes a forwardl... | 02/18/2003 |
| 6478530 | Rocking station for treatment plant conveyance systems A rocking station includes a frame in which there is a powered rocking board onto which are fed objects to be rocked. The board is supported on the floor supports arranged near its two opposite ends with the supports defining two parallel rotation axes of... | 11/12/2002 |
| 6478529 | Reclining platform wheelchair support A reclining support for a wheelchair includes a supporting platform wall that supports all four wheels of a wheelchair on a surface, and which has a backstop wall for stopping the large rear wheels of a wheelchair so that the wheelchair is stably supporte... | 11/12/2002 |
| 6435768 | Boat lift apparatus A boat lift apparatus connectable to a tubular piling to form a piling assembly embeddable into a bottom of a body of water. The apparatus includes a gearbox with a first worm gear arrangement driven by a motor output shaft and a second worm gear arrangem... | 08/20/2002 |
| 6318929 | Low profile lift for watercraft A low-profile watercraft lift having first and second cantilever arms pivotally mounted to a base at offset pivot points for use in shallow water. The lift includes an actuator connected to the first and second cantilever arms and operable to move the fir... | 11/20/2001 |
| 6257167 | Combination boat trailer and lift A combination boat trailer and lift includes an elongated base frame with forward and rear ends, a hitch assembly and an axle and wheel assembly to facilitate towing behind an automobile over land. An elongated, collapsible upper frame having front and ba... | 07/10/2001 |
| 6106216 | Vehicle side tilting apparatus with wheel rocker A vehicle side tilting apparatus having strap-on wheel rockers to attach to wheels at one side of a vehicle and lift structure to elevate the other side of the vehicle and to roll the vehicle on the wheel rockers until the raised side of the vehicle is up... | 08/22/2000 |
| 6015256 | Wheelchair tilting device and method of tilting a wheelchair Disclosed is a device and method for comfortably tilting a wheelchair and its occupant to a reclining position such as required for receiving common services such as having their hair done or dental work performed.... | 01/18/2000 |
| 5984337 | Motorcycle erector device A motorcycle erector device that erects a motorcycle lying on its side and does not require the operator-driver to exert any lifting effort. The motorcycle erector device is self-contained, self-powered and is carried on a motorcycle as part of the motorc... | 11/16/1999 |
| 5890835 | Hydraulic lift for boats A hydraulic lift for raising a boat out of water into a raised storage position is proposed. Pivoting booms are connected to a frame that is supportable by a bed of a body of water. A boat rack is provided at an upper portion of the pivoting booms. A hydr... | 04/06/1999 |
| 5890869 | Wheelchair tilting apparatus An apparatus is provided for receiving a wheelchair and its seated occupant and tilting the wheelchair rearwardly into a position in which the seated occupant is disposed in a substantially reclined, supported condition for therapeutic and other advantage... | 04/06/1999 |
| 5833030 | Lifting-rotating device for picking up a motor vehicle The invention concerns a lifting-rotating device for picking up a motor vehicle (14), in particular a passenger car, with a parallelogrammatic extension arm (11) which is articulated on a pillar (10) or a frame so as to pivot about the horizontal and at w... | 11/10/1998 |
| 5779255 | Vessel transport carrier and method for transporting such vessel A carrier for a vessel which has a front support carriage and a rear support carriage removably attached to the vessel, the entire assembly cooperating to form an integral transport structure. Each support carriage is independently attached to the vessel ... | 07/14/1998 |
| 5775870 | Vehicle side tilting apparatus A vehicle side tilting apparatus having strap-on wheel rockers to attach to wheels at one side of a vehicle and lift structure to elevate the other side of the vehicle and to roll the vehicle on the wheel rockers until the raised side of the vehicle is up... | 07/07/1998 |
| 5672043 | Lifting and swivelling device, in particular for motor vehicles A lifting and swivelling apparatus for objects, in particular for motor vehicles and the like, includes substantially horizontally extending tie rods (28) and a clamping frame (4, 5), which can pivot about a substantially horizontal axis of the tie rods, ... | 09/30/1997 |
| 5542806 | Fluid actuated lifting and tilting device The lifting and tilting device includes fluid actuated bellows type of lifting motors which lift and tilt a container with respect to a base. The lifting motors are supported by pairs of scissor mechanisms which pivot with respect to one another when the ... | 08/06/1996 |
