Did You Know...
...that two musicians were responsible for the invention of color print film? Fascinated by photography, Leopold Godowsky and Leopold Mannes worked together to produce an easy-to-use, practical color film. They worked full time as music teachers and gave concerts while experimenting during their off hours in Mannes' kitchen. Their success earned them full-time, well-paying jobs at Kodak and their efforts resulted in Kodachrome film, which was introduced in 1935.
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| Number | Title | Issue Date |
| 7357371 | Isolation valve seal Methods and apparatus for sealing an aperture that provides fluid communication between a second and first chamber of a dual chamber orifice fitting. A sealing assembly comprises a closure member that is rotatably moveable between an open and closed position relativ... | 04/15/2008 |
| 5203375 | Leveling valve A leveling valve for the automatic stabilization of the chassis height of a vehicle, especially of a motor vehicle with pneumatic shock absorption, having a valve housing (1) with a spring-loaded double valve body (11), an inlet seat (16) for the double v... | 04/20/1993 |
| 4653722 | Faucet valve A shut-off valve to fit the outlet end of a double faucet single spout tap in lieu of the conventional aerator screen. The valve comprises a valve body having an upstream valve seat on which is adapted to rest a disc-shape valve plug. An operant shaft ext... | 03/31/1987 |
| 4480660 | Safety valve A safety valve intended to limit the pressure of a fluid contained in a vessel to which the valve is connected by a nozzle closed off by a flap-valve pressed against its seat by a spring acting on a first side of the flap-valve. The valve has two operatin... | 11/06/1984 |
| 4145294 | Liquid phase separator with valved outlet means A separator for immiscible, emotionless-forming liquids having different specific gravities which comprises a container and a valve arrangement provided in the lower end of the vessel for movement between open and closed conditions whereby through disposi... | 03/20/1979 |
| 4085952 | Flexible stem valve A valve construction in the form of a "flex-finger" or flexible stem valve is provided for handling substances which are highly corrosive or very active chemically. The valve body, valve seats, a valve ball and flexible finger or flexible valve stem are a... | 04/25/1978 |
| 4019529 | Valve with roller This invention relates to a valve having a valve member in the form of a roller supported by a roller support such that the roller when moved to closed position is forced against a valve seat and such that inlet pressure in said valve aids in maintaining ... | 04/26/1977 |
