William F. Semple, a dentist, was awarded the first US Patent on chewing gum in 1869. His recipe contained powdered chalk.
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7329167 | Multi-axle running toy and multi-axle running toy set A multi-axle running toy includes: a flywheel to serve as a driving source; three or more drive axles driven by rotation of the flywheel; a gear train to transmit the rotation of the flywheel to the drive axles; and traveling wheels installed on both ends of each of... | 02/12/2008 |
| 7155947 | Locking control knob A control knob having a locking mechanism that can be pressure-activated and controlled from the outside by the operator. When activated, the locking mechanism engages a structure on which the knob is mounted, preventing the rotation of the knob. The locking mechani... | 01/02/2007 |
| 7040713 | Attachment device for an auxiliary wheel releasably attachable to a wheel of a vehicle For fastening an auxiliary wheel to the wheel of a vehicle, bolts are fixed to the auxiliary wheel, which bolts are aligned substantially parallel to the wheel axle of the auxiliary wheel. Each of the bolts has a head which can be inserted into slot-shaped recesses ... | 05/09/2006 |
| 7010975 | Balancing machine with a clamping device A balancing machine with a clamping device for mounting a vehicle wheel on a balancing machine shaft. The clamping device has a mounting flange (7) with multiple recesses (13) for receiving at least one centering pin (8). To reduce centering err... | 03/14/2006 |
| 6932436 | Hydraulic wheel system A hydraulic wheel system is provided which comprises a disc, a first piston, a wheel, a tire, a dismount button, and a wheel mounting member. The disc is provided with a first cylinder and a second cylinder communicating with each other. The first piston is slidably... | 08/23/2005 |
| 6237953 | Automatic jack and wheel change system An automatic jack and wheel change system having at least one inverted jack driven by an electric motor permanently attached to the vehicle. The system may employ a jack disposed between the front and rear wheel on each side of the vehicle, or it may be e... | 05/29/2001 |
| 5494335 | Motor vehicle wheel arrangement In the embodiment of a wheel arrangement described in the specification, the central portion of a wheel is in the form of a disk having an annular planar attachment zone surrounding a central hole for engagement with the substantially planar face of a hub... | 02/27/1996 |
| 4840599 | Wheel for a toy vehicle and a toy vehicle having such a wheel A wheel for a toy vehicle has a device whereby the wheel can be releasably and coaxially attached to a hub mounted on an axle of the toy vehicle and/or to another wheel by way of a bayonet coupling so that wheels can be easily added or removed to increase... | 06/20/1989 |
| 4810039 | Device for coupling in rotation a wheel hub The device for coupling in rotation a wheel hub is intended to couple this hub to a wheel axle and, where necessary, to a brake disk, the wheel hub being fitted sliding on the wheel axle which is extended by a flange in the periphery of which are provided... | 03/07/1989 |
| 4299051 | Mountable wheel for toy vehicle Disclosed is a demountable wheel suitable for use on toy vehicles. The demountable wheel includes a first member that is rotatably mounted in a permanent or semi-permanent arrangement on an axle. The wheel has a second member including a tire which is dem... | 11/10/1981 |
| 4193639 | Mountable wheel for toy vehicle A wheel suitable for use on toy vehicles. The wheel has a tire which is mountable and demountable with respect to such toy vehicle. The wheel includes a first member that is rotatably mounted in a permanent or semi-permanent arrangement on an axle. The wh... | 03/18/1980 |
| 4093311 | Arrangement for clamping vehicle wheels A clamping arrangement for clamping vehicle wheels against a rotatable counter plate of a test apparatus. A clamping plate is adjustably movable toward the counter plate. Clamping pins are mounted on a pressure plate and adapted to extend into and engage ... | 06/06/1978 |