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.
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| Number | Title | Issue Date |
| 7364609 | Method and kit for use with standard pipe couplings to construct a de-aerator A kit for constructing a de-aerator for a fluid distribution system includes a gas concentrator adapted to be received in chamber of a T-coupling provided with the kit. A cap is provided that closes a cap connector integrally formed with the T-coupling. The cap supp... | 04/29/2008 |
| 6895816 | Apparatus for remotely detecting fluid reservoir levels in fluid and gas well An apparatus for detecting fluid levels in an oil and gas well environment and transmitting a signal to a remote site when sensing that the level has reached a predetermined amount. ... | 05/24/2005 |
| 6893485 | Method and kit for use with standard pipe couplings to construct a de-aerator A kit for constructing a de-aerator that includes a concentrator is adapted to be connected to a standard pipe coupling. The concentrator is inserted in the path of liquid conveyed through the pipe coupling for aggregating gas, and directing the gas to a cavity. The... | 05/17/2005 |
| 4915606 | Steam sterilizing apparatus for mushroom culture medium A culture medium used for cultivating mushrooms is sterilized by a sterilizing apparatus. The sterilizing apparatus comprises a sterilizing container in which the culture medium is placed, a steam supply pipe for supplying steam in the sterilizing contain... | 04/10/1990 |
| 4751939 | Immersed hydraulic unit for controlling an underwater oil working station A reservoir (1) filled with fluid communicates through a central opening 21 with the inside of a flexible bladder 22 isolating the contents of the reservoir from the sea environment and equilizing the pressure inside the reservoir with the external hydros... | 06/21/1988 |
