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 |
| 7735513 | Diaphragm valve with electronic pressure detection A flush valve for a waste water system comprises a valve including a fluid inlet, a fluid outlet and a main valve element adapted for movement to allow fluid flow between the fluid inlet and the fluid outlet based on a pressure differential across a portion of the m... | 06/15/2010 |
| 7607448 | Method for modifying a plastic body valve for use in a waste water system A method is provided for retrofitting a conventional plastic valve to allow the valve to be utilized in a waste water system. The method includes strengthening the valve or valve housing using various methods. ... | 10/27/2009 |
| 7500277 | Automatic toilet flushing system and method A toilet (10) having an automatic flush assembly (50) includes a toilet bowl (14), a water holding tank (12) for supplying water to the toilet bowl (14), and a flush valve (22). The holding tank (12) supplies water to... | 03/10/2009 |
| 7322054 | Automatic toilet flushing system and method A toilet (10) having an automatic flush assembly (50) includes a toilet bowl (14), a water holding tank (12) for supplying water to the toilet bowl (14), and a flush valve (22). The holding tank (12) supplies water to... | 01/29/2008 |
| 6612540 | Retrofit for mechanical combination plumbing fixture The present invention is a control valve having an adapter element, which is particularly useful as a retrofit for a mechanical flow valve. The adapter element has at least one adapter element fluid inlet and at least one adapter element fluid outlet and ... | 09/02/2003 |
