Did You Know...
...that Thomas Edison's patent application on his phonograph was approved by the Patent Office in just seven weeks? In contrast, it took Gordon Gould, the inventor of the laser, 30 years to obtain his patent -- finally awarded in 1988!
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| Number | Title | Issue Date |
| 7353834 | Variable rate pressure regulator A pressure regulator valve including a valve seat separating a fluid flowpath into an upstream region and a downstream region. A valve closure member is mounted on a valve stem, the valve stem operable to vary a separation between the valve seat and the valve closur... | 04/08/2008 |
| 7261119 | Pressure regulator with improved outlet pressure control A pressure regulator comprising a housing, a pivoting lever selectively covering a passage between an inlet port and an outlet port of the housing, a diaphragm interconnected to the lever to rotate the lever in reaction to pressure levels in the housing, and a closu... | 08/28/2007 |
| 7240693 | Pressure regulated solenoid valve having integral mounting structure A regulator valve for managing a fluid in an appliance is provided. The regulator valve comprises a housing having an inlet and an outlet, a filter, a pressure regulator, a solenoid valve, a mounting structure, and a locking tab depending from the mounting structure... | 07/10/2007 |
| 6629544 | Gas pressure-reducing valve A gas pressure-reducing valve includes a pressure-reducing chamber for generating a gas pressure that acts on one surface of a diaphragm, a valve body that can sit on a valve seat having in its central part a valve hole communicating with the pressure-red... | 10/07/2003 |
| 6488046 | Pressure reducer for compressed gases Pressure reducer for compressed gases, comprising at least one regulation stage constituted by a chamber divided by a first membrane (25) into two chambers (23, 24), one of which said chambers (24) is maintained at a reference pressure and the other (23) ... | 12/03/2002 |
| 6328054 | Balanced fluid pressure regulator A balanced fluid pressure regulator of the disclosed embodiment comprises a balancing bellows inside a sensing bellows to minimize the supply pressure effect for improved performance while reducing the size and weight of the regulator in comparison to a c... | 12/11/2001 |
| 5829477 | Modular regulator A gas regulator is of a modular construction, having a base providing coupling to a gas supply system and a body in which the pressure regulation elements are located. The base and body form a plug and socket type connection, the body being removable from... | 11/03/1998 |
| 5402820 | Stabilizer for pressure regulator A stabilizer for fluid pressure regulators enhancing regulator stability without affecting the regulator capacity. A stabilizer cartridge with a flexible flapper element has three flapper apertures symmetrically located around the flapper outer perimeter.... | 04/04/1995 |
| 5348001 | Oxygen breathing controls The oxygen breathing control of the present invention for supplying oxygen to a user employs a first stage regulation module, a valving module which couples with the first stage regulation module, a servo regulator module and an aneroid module. The servo ... | 09/20/1994 |
| 5188141 | Vacuum boost valve A vacuum boost valve senses when the intensity of vacuum from a variable intensity vacuum source is about to drop below a threshold and supplies a boost so that when the intensity of the vacuum source is within a range immediately below the threshold, the... | 02/23/1993 |
| 5080266 | Self-charging aerosol dispenser for liquids A gas-propelled dispensing device for a liquid container has a high pressure vessel and a pressure gas vessel. A pressure reducing valve is provided between the two vessels so that as consumed, replacement gas is supplied to the low pressure chamber at a ... | 01/14/1992 |
| 4782850 | Travel stop for diaphragm regulator valve A diaphragm type regulator valve includes a pusher post with outwardly extending stop ears coupled to the diaphragm. The linkage coupling the pusher post and valve disc includes a lever having a pair of legs that engage a pin in a bifurcated portion of th... | 11/08/1988 |
| 4754778 | Velocity boost body with wrap-around pitot tube A pressure relief diaphragm type regulator valve includes a velocity boost body having an annular-shaped wrap-around pitot tube communicating with the vena contracta of a flowpath. The pressure at the vena contracta is communicated to the diaphragm by a s... | 07/05/1988 |
| 4489751 | Pressure reducing regulator for oxygen service The pressure reducing regulator of the present invention is designed for oxygen service to prevent oxygen burn through. The regulator includes a diaphragm assembly which uses a metallic shield to protect the diaphragm from hot gases or combustibles issuin... | 12/25/1984 |
| 4043357 | Filter fitting for heating installations A filler fitting for heating installations has a housing with an inlet, an outlet and between them a pressure-reducer having a valve mechanism which includes a valve stem spring loaded to an open position; to facilitate filling a releasable pin is provide... | 08/23/1977 |
