Did You Know...
...that the first rickshaw was invented in 1869 by an American Baptist minister, the Rev. E. Jonathan Scobie, to transport his invalid wife around the streets of Yokohama?
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| Number | Title | Issue Date |
| 7316544 | Automatic pneumatic pump An automatic, pneumatic pump having a chamber that is gravity fed through a top opening and through a vertical tube with waste liquid. A buoyant plunger sits on an air inlet nipple, which nipple is located at the bottom of the chamber. Liquid entering the chamber ca... | 01/08/2008 |
| 6689007 | Manual valve for automatic transmission A manual valve for use within the hydraulic control system of Chrysler automatic transmissions. The present manual valve includes flow control structures to vary its standard functions. In a preferred embodiment the manual valve includes a secondary contr... | 02/10/2004 |
| 6273639 | Method and apparatus for facilitating migration of fish past dams and other barriers in waterways Method and apparatus for fish migration past dams and other water barriers. A preferred embodiment 100 comprises a conduit 101 passing from downstream side 22 of water barrier 10 to upstream side 21 of the barrier, flow-controlling valves 102 and 105 disp... | 08/14/2001 |
| 5743884 | Sealing structure for medical instrument A sealing structure for an elongate medical instrument. The sealing structure includes a first sealing member having a first body with oppositely facing first and second surfaces and a peripheral edge and a second sealing member having a second body with ... | 04/28/1998 |
| 4749658 | Two-way valve for blood analyzing apparatus Apparatus and method for analyzing a biological material such as blood serum to determine whether a substance indicative of disease is present. The apparatus utilizes a two-way valve construction for rinsing a cartridge containing the material under analy... | 06/07/1988 |
| 4459983 | Breathing apparatus for reanimation of newborns An apparatus (B) for reanimating new-born children with at least two stages provided with an inhaling pressure controlling device. In this apparatus during breathing by blowing pressure, a breathing is possible according to "IPPV+PEEP and CPAP". The breat... | 07/17/1984 |
| 4046161 | Non-return valve for preventing back flow of waste waters A non-return valve comprising: a pipe for waste waters having a passageway for draining the waters in a downstream direction, a circular seat having a given diameter transversely disposed in said pipe and a housing opening into the passageway directly dow... | 09/06/1977 |
