Famous Patents
Felix Hoffmann, a German chemist, was searching for something to relieve his father's arthritis. In doing so, he "rediscovered" acetylsalicylic acid and in 1900, patented a stable process for developing it. Hence, we have aspirin.
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| Number | Title | Issue Date |
| 7794300 | Transformable toy vehicle A toy vehicle includes a central housing having first and second oppositely disposed sides. A first wheel is rotatably mounted on the first side of the housing, and a second wheel is rotatably mounted on the second side of the housing. Each of the first and second w... | 09/14/2010 |
| 7288917 | Transmitter for radio-controlled toy A mobile toy is described. The mobile toy includes a wheel assembly having a hubcap for removably engaging a wheel of the wheel assembly. The mobile toy may also include a transmitter having a charging pad for charging of a radio-controlled embodiment of the toy. Th... | 10/30/2007 |
| 7238067 | Variable area pump discharge system A highly efficient watercraft propulsion system that operates continually submerged and relies on a non-circular variable area pump discharge opening which is configured, positioned and oriented so as to maximize the hydraulic reaction between the high velocity wate... | 07/03/2007 |
| 7217170 | Transformable toy vehicle A toy vehicle includes a central housing having first and second oppositely disposed sides. A first wheel is rotatably mounted on the first side of the housing, and a second wheel is rotatably mounted on the second side of the housing. Each of the first and second w... | 05/15/2007 |
| 7213663 | Driving device for robot cleaner A driving device of a robot cleaner with a shock-absorbing unit. The driving device includes a robot cleaner body and a pair of motors disposed in the robot cleaner body which are driven by respective power supplies. The driving device also includes a pair of drivin... | 05/08/2007 |
| 7150671 | Toy vehicle The invention relates to a toy vehicle, particularly for track-guided car racing circuits, that comprises a drive motor (10), which has a drive shaft (12), and comprises a driven axle (14), which is provided with wheels. A transmission (16 | 12/19/2006 |
| 6945840 | Wheel assembly for a toy A mobile toy is described. The mobile toy includes a wheel assembly having a hubcap for removably engaging a wheel of the wheel assembly. The mobile toy may also include a transmitter having a charging pad for charging of a radio-controlled embodiment of the toy. Th... | 09/20/2005 |
| 6793552 | Radio controlled surfboard with robotic rider controlled by two-string roto-wing A radio controlled toy is provided with a robotic rider that catches waves via an electric motor and propeller, then rides waves like a real surfer, and rights itself after a wipeout comprising a novel way to rotate the robotic rider's upper torso and to disburse th... | 09/21/2004 |
| 6183333 | Radio controlled toy surfer A toy surfboard or body board has a specially shaped bottom surface of the board to hold the waves in the same manner as in a full sized surfboard or body board. A figure of a surfer is positioned on the top surface to balance and maintain and bias the bo... | 02/06/2001 |
| 4919637 | Model submarine A model submarine has an inherent "fail safe" feature, so that the submarine (if submerged) will rise to its periscope depth in the event the submarine encounters a stationary object, or in the event a power failure occurs. Power is supplied by a single s... | 04/24/1990 |
| 4902260 | Amphibian toy car Am amphibian toy car which can be operated by a remote controller comprising a semicircular flow-control cover disposed ajacent to the upper portion of each front wheel and a buoy. By these flow-control cover and buoy, the forward propel force above the f... | 02/20/1990 |
| 4744781 | Amphibious toy vehicle An amphibious toy vehicle having paddles located within the wheels of the toy vehicle which can be extended outside the wheels in order to propel the vehicle forward and backward in water. A flotation chamber is provided at the bottom of the vehicle. A ge... | 05/17/1988 |
| 4652247 | Amphibious self-powered toy vehicle with integrated four-wheel and steering-water-jet drive This toy propels itself along the surface of a pool of water or along an extremely steep, irregular nonwater surface. A battery powers a motor, which drives the vehicle's four wheels and a steerable water jet. The wheels carry pronounced peripheral cleats... | 03/24/1987 |
| 4547166 | Amphibious self-powered miniature car with unusual climbing capability An amphibious toy vehicle about the length of a "penlight" battery can climb any grade where it will not tip over backward, and can propel itself through water. An "AA" battery powers an electric motor in the four-wheel-drive vehicle. The motor has a doub... | 10/15/1985 |
| 4540376 | Amphibious toy vehicle An amphibious toy vehicle powered by a water turbine and 4 drive wheels adapted to operate in a forward and backward direction on land and in a forward straight and circular direction in water. A single battery operated motor coupled to a transmission sim... | 09/10/1985 |
| 4409753 | Powered toy boat A toy boat powered by a rubber-band as a source of driving power for a propeller, the rubber band being wound to energize it by a helical type spiral rod adapted to be reciprocated longitudinally within the hull of the boat respectively in opposite direct... | 10/18/1983 |
| 3955316 | Power supply for model watercraft Disclosed is a power supplying assembly adapted for conducting electrical current from a current source to a model watercraft being propelled on a water surface. The assembly comprises a generally hollow body adapted for placement below the surface of the... | 05/11/1976 |
