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 |
| 7834284 | Key unit with support frame A key unit includes a reinforcing plate having a support frame for surrounding and supporting key groups arrayed on a key-operating surface of the key unit. The support frame is formed at least by processing the outer edge of the reinforcing plate, and the key unit ... | 11/16/2010 |
| 7781690 | Key sheet and production method thereof Portable phones are getting a trend that s design and thinner configuration becomes more important. Therefore, in order to meet this demand, the entire key top is made of a thin metal, and a thin resin layer is provided on the back surface of the key top and further... | 08/24/2010 |
| 7759594 | Thin key sheet and production method thereof Preparing a resin film having a transparency and a thickness of 0.2 mm or less such as PC, PET, PU or the like; drawing the resin film in such a manner to form concave portions at positions corresponding to a plurality of the key tops of the resin film by pinching t... | 07/20/2010 |
| 7705259 | Thin key sheet and thin key unit incorporating the thin key sheet Mobile phones are in a trend of having thinner configuration due to emphasis on the design. Thus, in order to meet this demand, the present invention aims to thin the key sheet portion as much as possible. A thin key sheet and a thin key unit incorporating the thin ... | 04/27/2010 |
| 7705256 | Thin key sheet Mobile phones are in a trend of having thinner configuration due to emphasis on the design. Thus, in order to meet this demand, the present invention aims to thin the key sheet portion as much as possible. The present invention provides a thin key sheet 1 com... | 04/27/2010 |
| 7616224 | Process of producing key units wherein marking on their tops made of light-transmitting material can be completed later on A method is provided for marking a key top made of a translucent material with a character, a symbol, or the like, and a process is provided for quickly producing an illumination key unit. The inside of a transparent plastic key top is irradiated intermittently with... | 11/10/2009 |
| 7348512 | Key unit with reinforcing plate The object of the present invention is to utilize a reinforcing plate formed out of a metal or a hard resin introduced into a key unit in order to overcome the weak point that conventional rubber keypads are too soft and lack shape stability, as a design element of ... | 03/25/2008 |
| 5945463 | Composition for a gasket and process for producing a gasket using the composition A composition for a gasket which comprises (A) 100 parts by weight of a urethane acrylate oligomer having a weight-average molecular weight of 7,000 to 40,000, (B) 40 to 260 parts by weight of a polyether monoacrylate substituted at the end and/or a polye... | 08/31/1999 |
