U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

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...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.

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Inventor: Rudolf Tschudi


Address: Wald, CH
No. of patents: 1
Last patent issue date: 07/18/1978

NumberTitleIssue Date
4100942Drive, control and monitoring device for looms
A drive, control, and monitoring device for looms in which there is a drive motor connected to the power line, a flywheel operatively connected with the drive motor, an electromagnetic brake and clutch unit arranged between the flywheel and the crankshaft...
07/18/1978
 
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