Bizarre Patents
Pet Toilet-Like Water Disk and Food Storage
One pet-friendly inventor patented "a device for watering pets, e.g., a dog or cat." The device, he helpfully noted, "has the general shape of a toilet."
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| Number | Title | Issue Date |
| 7341266 | Portable folding robotic system A portable robotic system having a folding carriage is disclosed. The carriage in one embodiment includes two legs and a lateral stabilizer. The folding legs and stabilizer allow the carriage to be maneuvered into a plurality of open and closed positions. In the ope... | 03/11/2008 |
| 7303202 | Apparatus for the transfer of linear human power to a rotating member An apparatus for the transfer of linear human power to a rotating member is disclosed, which is adaptable to exercise equipment, wheeled chairs, scooters, bicycles, tricycles, etc. The hands of the operator apply the power during the downward stroke of an up-and-dow... | 12/04/2007 |
| 6942234 | Hand-powered vehicle A wheeled apparatus is provided that converts alternate back and forth longitudinal motion supplied by the arms of a user to a pair of members into rotary motion that is used to drive the apparatus forward. The members move in opposite direction pulling and releasin... | 09/13/2005 |
| 6932370 | Human-powered, ride-on vehicle A human-powered, ride-on vehicle, includes a main longitudinal frame member having a steering/drive mechanism mounted thereon for oscillating movement; a driven rear wheel having an axle, a rear sprocket operatively fixed to the rear wheel for coastable engagement t... | 08/23/2005 |
| 6708997 | Hand-powered vehicle A wheeled apparatus is provided that converts alternate back and forth longitudinal motion supplied by the arms of a user to a pair of members into rotary motion that is used to drive the apparatus forward. The members drive special rack gears that include upper and... | 03/23/2004 |
| 6616163 | Combined skateboard scooter/exerciser A combined skateboard scooter/exerciser comprises a handlebar, a board, a steering device, a transmission device, and a wheel device. The steering rod is rotatably supported by the board and thus rotatable relative to the board. In addition, the steering ... | 09/09/2003 |
| 6375208 | Combined skateboard scooter/exerciser A combined skateboard scooter/exerciser comprises a handlebar, a front body, a transmission device, a wheel device, and a board. A rear end of the front body is pivoted to the board and includes a slot through which a steering rod extends. The steering ro... | 04/23/2002 |
| 6301760 | Method of selectively altering physical properties of an elastane filament The physical properties of an elastane, i.e. spandex, filament may be selectively altered basically by stretching the filament to a selected degree while heating the filament to a selected temperature above its glass transition temperature to set the fila... | 10/16/2001 |
| 6080088 | Exercise machine The apparatus converts reciprocating motion of a rowing type exercise into single direction rotational motion of a shaft in a predetermined direction. A reciprocable arm of a rowing type exercise is pivotally mounted to a frame. A shaft, set for rotation ... | 06/27/2000 |
| 5762350 | Hand operated wheel chair or exercise machine using racks operated by variable length lever This improvement is for a hand operated wheel chair or exercise machine. The machine uses two racks to operate two one way clutches to furnish forward motion from both the forward and backward strokes of the input lever arm. The mechanical advantage of th... | 06/09/1998 |
| 5653663 | Arm and leg powered cycle and method of use thereof A cycle that uses both arm and foot motions to drive it. Unlike other designs that connect the hand and foot movements to a single crank mechanism, the instant design uses two sets of gears that are stacked. Four straight toothed racks are positioned betw... | 08/05/1997 |
| 5542893 | Exercise machine which converts reciprocating motion to unidirectional rotational motion The apparatus converts reciprocating motion of a rowing type exercise into single direction rotational motion of a shaft in a predetermined direction. A reciprocable arm of a rowing type exercise is pivotally mounted to a frame. A shaft, set for rotation ... | 08/06/1996 |
| 5330218 | Bicycle driven by alternating rowing movement Bicycle driven by alternating rowing movement which utilizes conventional frame, brakes, steering and fittings and having as distinctive feature axially articulated steering handles which act as a lever producing axial and alternating (rowing) movements. ... | 07/19/1994 |
| 5050864 | Sporting and exercise apparatus The invention concerns a sporting and exercise apparatus movable by muscular force consisting of a frame having for the user an elongated platform supported by at least two wheels and of a mechanical hand-lever drive for converting a lever motion into a r... | 09/24/1991 |
| 5007655 | Variable speed lever propelled wheelchair Disclosed is a wheelchair having a pair of levers along its opposite sides connected with sprockets on drive wheels. In one form, each lever is connected to its sprocket by a rack. The drive wheels have a clutch enabling the power stroke of the lever to d... | 04/16/1991 |
| 4981191 | Front and rear road wheel drive apparatus for motor vehicle A front and rear wheel road wheel drive apparatus transmits drive power from a drive power source in a motor vehicle to main and auxiliary drive road wheels and controls the transmitted drive power to improve operating performance of the motor vehicle suc... | 01/01/1991 |
| 4911457 | Scooter A scooter with a manual propelling system of the invention can be moved by pushing or kicking the ground as usual, operating the manual propelling sytem or combining the both methods. The scooter comprises a body or platform, a steering section attached t... | 03/27/1990 |
| 4861055 | Drive mechanism A drive mechanism for a human-powered vehicle is disclosed. The vehicle has a frame, plural wheels and linear motion generating mechanism, which is operable by a human being, for generating substantially linear, oscillating motion. A motion converting dev... | 08/29/1989 |
