Did You Know...
...that power steering was invented by independent inventor Francis W. Davis? As chief engineer in the 1920s of the truck division of the Pierce Arrow Motor Car Company, he saw how hard it was to steer heavy vehicles. So that he would be able to keep the profits from his future invention, Davis left his job, rented a small engineering shop in Waltham, Mass., and developed a hydraulic power steering system that led to power steering.
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 |
| 7168773 | Drawer expander A drawer expander that includes a plurality of trays that are stacked on top of each other. Spring-biased arms connect the trays together so that the trays will open when the drawer is opened and close when the drawer is closed. One form of the drawer expander can b... | 01/30/2007 |
| 6679359 | Luggage Luggage, including a central part formed two mechanically strong, mutually linked half-frames that support two trays defining the central space of the luggage. A connecting frame (40) is mounted between each half-frame and an associated tray and is fitted... | 01/20/2004 |
| 5516202 | Collapsible artist's palette A collapsible artist's water color palette comprising a plurality of rectangular trays non-fixedly attached to one another such that simple manipulation into a stacked, compact configuration for transport, or alternatively, a side-by-side, planer, configu... | 05/14/1996 |
| 4998616 | Four ply fold-up display and carrying case A four ply fold-up display and carrying case. The case has four plies which are hinged together. The outer plies are hinged at the bottom, and the inner plies are hinged both at the bottom and the top so that the case opens up in an accordion-like manner ... | 03/12/1991 |
| 4173284 | Hinged tray assembly A supply carrier for removable insertion into a tool case includes a plurality of trays. The trays are generally identical in shape and dimensions. Each tray includes a generally rectangular base and an upstanding flange which includes at least a first si... | 11/06/1979 |
| 4060156 | Liquor trunk A liquor trunk for storage of glasses and liquor bottles includes a body having a base, a pair of upwardly extending end walls, an upwardly extending front wall, an upwardly extending rear wall, an open top and a chamber therein. A cover member has a top,... | 11/29/1977 |
| 4006821 | Multi-tray container for storing elongate objects A container is disclosed for storing a plurality of elongated objects such as drill bits, screw taps and the like, including a body member, and a plurality of object-storing trays pivotally connected at one end with said body member for pivotal movement a... | 02/08/1977 |
