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| Number | Title | Issue Date |
| 7798169 | One-piece gas pressure regulator A one-piece gas pressure regulator, comprising a main body having a first threaded port at the bottom thereof for a threaded connection with a high-pressure gas bottle. An admission passage is formed above the first threaded port and extended to a hollow pressure ch... | 09/21/2010 |
| 7398793 | Rapidly opening pressure regulating valve, fire extinguishing apparatus using the same, high-pressure gas cylinder apparatus and apparatus for rapidly supplying fluid A rapid opening pressure regulating valve reduced in size and having improved flow rate characteristics, a fire extinguishing apparatus using the same, a high-pressure gas cylinder apparatus, and an apparatus rapidly supplying a fluid. When the rapid opening pressur... | 07/15/2008 |
| 7322372 | Fire-fighting monitor with remote control A pressure reducing valve for coupling to a pressurized water supply line includes a valve body with an inlet for coupling to the pressurized water supply line, an outlet, a passage extending between the inlet and the outlet, and a valve seat in the passage at or ad... | 01/29/2008 |
| 7320333 | Compact field adjustable pressure reducing valve A pressure reducing valve for coupling to a pressurized water supply line includes a valve body with an inlet for coupling to the pressurized water supply line, an outlet, a passage extending between the inlet and the outlet, and a valve seat in the passage. A valve... | 01/22/2008 |
| 7275559 | Pressure control valve A pressure control valve is disclosed which includes an inlet; an outlet; a valve body between the inlet and the outlet; a piston having opposed smaller and larger ends each having a circumferentially extending piston wall, the piston being slideably received within... | 10/02/2007 |
| 7213734 | Pneumatic tool drive system The invention relates to a pneumatic tool drive system, comprising a portable pressure source, a valve assembly, a regulating assembly, and a pneumatic assembly. The pneumatic assembly can be any conventional pneumatic device. The pneumatic assembly may be a pneumat... | 05/08/2007 |
| 7181953 | Moisture detector assembly The moisture detector assembly includes a moisture detector having a probe extending into a housing bore to have fluid flow in contact with the probe and exiting through a housing bore orifice. A pressure regulator is mounted to the housing with its outlet opening t... | 02/27/2007 |
| 7134449 | Flow control valve with device for indicating the status of a fluid, particularly for gas containers A valve body is provided with at one end with a threaded shank for hermetic coupling to a gas container. The valve body is further provided with a handwheel incorporating a gas status indicator device. That device includes a spring-loaded plunger having a head and a... | 11/14/2006 |
| 7048001 | Pressure regulator with single strut regulator seat A fluid pressure regulator comprising a tubular housing having a fluid inlet at one end thereof and a fluid outlet at an opposite end and a fluid passage therebetween; a tubular plunger mounted for reciprocal movement in the fluid passage, the plunger having a flow ... | 05/23/2006 |
| 7045726 | Pressure regulator for a paint ball gun A pressure regulator for a paint ball gun includes a cylinder, a piston unit, an elastic member, a top connector and a switch bolt. The cylinder includes upper and lower chambers. The piston unit includes a ring plate and a tube. The ring tube is disposed in the upp... | 05/16/2006 |
| 6854480 | Regulated gas supply system A regulated gas supply system having a body defining a pressurized gas reservoir connected to a high-pressure regulator that regulates the high pressure gas from the gas reservoir to disperse the gas at a desired pressure. The regulating assembly includes a piston c... | 02/15/2005 |
| 6851447 | Direct acting gas regulator A direct acting pressure regulator controls the flow of a gas from a high pressure source to a low pressure device. Gas is delivered from the regulator at a predetermined outlet pressure. The regulator includes a body having a high pressure inlet and defining a seat... | 02/08/2005 |
| 6672332 | Adjustable vertical pressure regulator An adjustable pressure regulator for controlling the delivery of a gas from a high pressure source to a lower pressure device at a predetermined pressure is provided. A piston, spring and insert work with pressurized gas to open and close the pressure reg... | 01/06/2004 |
| 6634378 | Pressure reducing valve The invention relates to a pressure reducing valve having a piston-like plug, and whose output pressure is automatically controlled relative to ambient pressure, particularly for scuba breathing apparatus regulators. According to the invention, an antifri... | 10/21/2003 |
| 6257275 | Pressure reducing valve A pressure regulator for breathing apparatus controlled by a diaphragm, piston or bellows having one face exposed to a reference pressure which is automatically maintained at a level substantially the same as ambient pressure by means of a metering valve ... | 07/10/2001 |
| 6047727 | Valve assembly for gas cylinder and pressure reducing valve used therefor A stop valve (7) and a pressure reducing valve (8) are arranged in series with each other within a housing (3). A first check valve (11) is arranged in a gas charging passage (10) provided in parallel to the pressure reducing valve (8). The pressure reduc... | 04/11/2000 |
| 6009900 | Gas fitting The gas fitting contains a supply-pressure shut-off element, a pressure regulator and a pressure gage for the pressure indication in a row, the supply-pressure shut-off element and the pressure regulator being arranged between the pressure gage and the co... | 01/04/2000 |
| 6006780 | Two-stage, warm-gas high pressure regulator A pneumatic regulating valve that operates on high-temperature, high-pressure gases. This invention reduces the upstream pressure of a flow of gas, which can be as high as 10,000 psia, down to a level usable by downstream control valves, which may require... | 12/28/1999 |
| 5899221 | Fluid pressure regulator A fluid pressure regulator capable of adjustably setting a cut-off pressure between an upper and a lower limit having a two-piece valve body where the two pieces are threadably joined such that adjusting the distance between the two pieces (34, 54) of the... | 05/04/1999 |
| 5732735 | Pressure reduction valve A pressure reduction valve 2 includes a piston 12, a pressure regulating sub-chamber 50 and a movable means, preferably in the form of a second piston 12', which is activated by a filling nozzle 70 to prevent the flow of fluid between an inlet 8 and the r... | 03/31/1998 |
| 5662100 | Eductive pressure regulator An improved pressure regulator (60) is provided with an eductive flow to maintain the outlet pressure at increased flows through the regulator. The improved regulator broadly includes a body (61) provided with a bore. A valve seat (24) is movably mounted ... | 09/02/1997 |
| 5411053 | Fluid pressure regulator A fluid pressure regulator capable of adjustably setting a cut-off pressure between an upper and a lower limit having a two-piece valve body where the two pieces are threadably joined such that adjusting the distance between the two pieces of the valve bo... | 05/02/1995 |
| 4909269 | High pressure regulator valve A valve-regulator assembly for rendering a high pressure gas source compatible with lower pressure equipment, said valve-regulator being sealable or remote from the high pressure gas source enabling recharging at high pressure.... | 03/20/1990 |
| 4887638 | Regulator A pressure regulator has a first and a second chamber which are separated by a movable piston varying the size of the chambers and which are in fluid contact with one another through a channel extending in the movable piston. The piston has a greater pres... | 12/19/1989 |
| 4657224 | Pneumatically actuated valve The pneumatically actuated valve is of the type, which is normally closed, has a constant autocontrolled rate of flow and is particularly but not exclusively used in adsorption working installations for drying gases. The valve is capable of effecting a de... | 04/14/1987 |
| 4540016 | Flow-control system with pressure-responsive valve A system for maintaining a predetermined average liquid level in a pool comprises a pilot valve responsive to a float in the pool and a main valve controlled by the pilot valve to unblock a normally blocked supply conduit when the liquid in the pool drops... | 09/10/1985 |
| 4499914 | Selector valve for an aircraft on board oxygen generation system with high pressure oxygen backup A selector valve for an aircraft breathing system wherein oxygen enriched gas is provided by two sources, the primary source being fractionalized air and the secondary, backup, source being bottled oxygen is comprised of a control valve with three operati... | 02/19/1985 |
| 4474207 | Pressure regulator A fluid pressure regulator is described including a movable regulator member and means biassing same to its fully-open position, the regulator member being exposed to the outlet pressure for moving same in the opposite direction and including a pressure-s... | 10/02/1984 |
| 3946756 | Pressure control valve A pressure control valve for use in conjunction with a riser for supplying water, in case of a fire, at all levels of a multiple story structure at a predetermined regulated static and flowing discharge pressure. The valve includes a hand wheel on a stem ... | 03/30/1976 |
