Quotables
"Inventing is a combination of brains and materials. The more brains you use, the less material you need."
Charles Kettering
PatentStorm News
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 |
| 4519272 | Transmission having a constant torque ratio output at a variable speed ratio output The transmission has a power division transmission which is adapted to provide a variable speed division with a constant torque division. The power division transmission has three branches comprising a motor input shaft and two branched transmissions. Eac... | 05/28/1985 |
| 4497257 | Retractable wheeled vehicle A multiple wheeled vehicle in which at least some of the wheels are upwardly retractable by rotation of arms carrying the wheels. Hydraulic cylinders control the rotational position of the arms, and movable rods are connected to the hydraulic cylinder mea... | 02/05/1985 |
