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 |
| 7287769 | Retention for utility vehicle drive train sub-frame An engine and rear axle are mounted on a drive train sub-frame of a utility vehicle, with two generally parallel plates spaced from each other on the first end of the drive train sub-frame. A cross bolt extends laterally between the two plates and through an opening... | 10/30/2007 |
| 7228924 | Single locking collar and sprocket hub apparatus and method An apparatus and assembly method including a sprocket hub and a locking collar for go kart vehicles and other land vehicles with drive axles is provided. The present invention eliminates the need for two locking collars on either side of the sprocket hub. The invent... | 06/12/2007 |
| 7118502 | Drive arrangement A scooter drive arrangement which includes a first shaft, with a one-way bearing and a clutch, which is connected to a driven wheel, and a second shaft, which is rotated by an engine, through a centrifugal clutch, which has two fixed pulleys which respectively drive... | 10/10/2006 |
| 7097187 | Suspension system for a motor vehicle An independent suspension system is provided for coupling a set of wheels to a vehicle body structure. The system includes independently pivotable swing arms, a shock absorber assembly, a joining arm and tie rods. The swing arms are attached to the vehicle body stru... | 08/29/2006 |
| 6868983 | Method and apparatus for positioning an article handling device An article handling apparatus embodied, for example, as a vending machine, includes a controllably positioned hose-type dispenser for retrieving articles from an article storage area. A first end of the hose receives article securing energy (e.g., suction), and a se... | 03/22/2005 |
| 6789636 | Oscillating middle axle for a utility vehicle A utility vehicle is provided with a middle axle that is mounted at the end of a bogey beam for both flotational and oscillatory movement relative to the frame of the vehicle. The middle axle is restrained longitudinally by support links that are pivotally connected... | 09/14/2004 |
| 6766872 | Rear axle suspension mechanism for utility vehicles A utility vehicle includes a middle axle that is mounted at the end of a bogey beam for flotational movement relative to the frame of the vehicle. The rear axle is carried by a suspension mechanism supported from the frame of the vehicle. The middle axle is formed b... | 07/27/2004 |
| 6702059 | Transmission device and machine provided with such a transmission device A transmission device for a self-propelled wheeled machine, this device, driven by a belt from a drive shaft, includes a housing mounted floating relative to the chassis of the machine containing a mechanism for reducing and clutching between an input sha... | 03/09/2004 |
| 6675926 | Integrated semi-independent suspension and drivetrain system for vehicles An integrated semi-independent suspension and drivetrain system including a swing arm with a swing mount, an axle assembly rotatable along a transverse axle rotation axis, an axle carrier for mounting the axle assembly, the axle carrier being rotatably mo... | 01/13/2004 |
| 6677685 | Controller for a continuously variable transmission A clamp pressure controller for a variable ratio belt drive system for a generator is provided. The controller monitors the voltage at the output of the generator. If this falls the controller increases the clamp pressure so as to prepare the drive system... | 01/13/2004 |
| 6581715 | Drivetrain system for vehicles having a brake assembly An integrated semi-independent suspension and drivetrain system for a vehicle including a swing arm with a swing mount for pivotally mounting the swing arm to the vehicle, an axle carrier for mounting an axle assembly, the axle carrier being rotatably mou... | 06/24/2003 |
| 6536545 | Middle axle support apparatus for utility vehicles A utility vehicle is provided with a middle axle that is mounted at the end of a bogey beam for flotational movement relative to the frame of the vehicle. The middle axle is restrained longitudinally by support links that are pivotally connected at a loca... | 03/25/2003 |
| 6446748 | Rear wheel support for ATV A recreational all terrain vehicle has a set of rear wheels attached to a frame assembly with a swing arm. The rear wheels are driven by a flexible transmitter, such as a chain. To tension the chain, a pair of laterally extending bolts are loosened while ... | 09/10/2002 |
| 6364048 | Independent suspension and drive arrangement and vehicles incorporating same An independent suspension and drive system comprising a transverse power shaft mounted on a vehicle frame and having a differential connection with a power source; at least one pivot shaft mounted on the vehicle frame; at least one cantilevered swing- or ... | 04/02/2002 |
| 6305487 | Integrated semi-independent suspension and drivetrain system for vehicles An integrated semi-independent suspension and drivetrain system for a vehicle including a swing arm with a swing mount for pivotally mounting the swing arm to the vehicle, an axle carrier for mounting an axle assembly, the axle carrier being rotatably mou... | 10/23/2001 |
| 6286619 | ATV transmission An all terrain vehicle includes an engine and a final drive assembly. The engine includes an output shaft that supports a drive sprocket or pulley. The final drive assembly comprises an input shaft that supports a driven sprocket or pulley and a brake dis... | 09/11/2001 |
| 5921341 | Vehicle A suspension unit for each rear wheel of a motor powered off-road four wheeled vehicle comprising a suspension arrangement with the inner members constructed for mounting on a fixed shaft secured to the vehicle and the outer casing carrying a swing arm te... | 07/13/1999 |
| 5010973 | Freight carrier A three-wheeled freight-carrying vehicle has a platform section with coaxial driving wheels, and a power section at the opposite end driving a steerable single wheel. An operator's platform is provided at the side of the single wheel. The single wheel and... | 04/30/1991 |
| 4896899 | Go-cart vehicle A go-cart vehicle, made from high strength, molded engineering plastics, has a steering shaft tilt assembly which includes a steering shaft (66) slidable in a pivot bushing (70) carried by a bracket (73). The shaft pivots at a U-joint (78) and the bracket... | 01/30/1990 |
| 4877102 | Multi-wheeled vehicle suspension and drive mechanism A suspension and drive mechanism, especially applicable to motorcycle-type vehicles having two or more laterally mounted driven wheels, comprising a means for supporting the driven axle housing such that the vehicle body is pivotable about its longitudina... | 10/31/1989 |
| 4606429 | Vehicle drive system A vehicle having driving wheels both on the left and right sides of the chassis frame thereof. The vehicle has a power unit including an engine and a transmission system for transmitting the power from an output shaft of the engine to the driving wheels i... | 08/19/1986 |
| 4574902 | Vehicles A vehicle in which a pair of driving wheels are disposed on both left and right sides of a vehicle body frame, the vehicle comprising a power unit composed of an engine and a pair of transmission devices extended from both ends of the engine to individual... | 03/11/1986 |
| 4130172 | Electric vehicle An electric motor vehicle drive system including a differential electric motor unit for the vehicle including a stator motor element mounted within a supporting frame and a rotor motor element rotatably mounted within the stator. The stator is connected t... | 12/19/1978 |
