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| Number | Title | Issue Date |
| 7140591 | Post valve having an annular valve seat A new and improved high pressure post valve used to control the flow of high pressure gas, e.g., oxygen, from a high pressure gas cylinder. More particularly, the improvements are directed to three different inventive embodiments: (1) manufacturing the post valve fr... | 11/28/2006 |
| 7036756 | Anti-sputter fluid flow control apparatus for paint sprayers A fluid spray apparatus with a controlled supply of pressurized fluid delivered through a network of tubes to a spray head having a plurality of stop flow valves and nozzles that will automatically shut off the flow of fluid out of the nozzles when the pressure of t... | 05/02/2006 |
| 6997348 | Post valve having a one piece valve body A new and improved high pressure post valve used to control the flow of high pressure gas, e.g., oxygen, from a high pressure gas cylinder. More particularly, the improvements are directed to three different inventive embodiments: (1) manufacturing the post valve fr... | 02/14/2006 |
| 5782259 | Pressure relief valve A pressure relief valve for a fluid pressure system having a pressure vent. A body is aligned with and in fluid communication with the pressure vent, the body terminating in a cylindrical portion having a circular opening. A bonnet is in axial alignment w... | 07/21/1998 |
| 5515884 | Multi-media safety relief valve A safety valve for relieving excessive pressure in a fluid system including a valve body having a central chamber, a discharge flow nozzle connected into the chamber having a valve seat on the end of the flow nozzle in the chamber, a valve disc movably mo... | 05/14/1996 |
| 5341838 | Direct spring pressure operated valve A pressure operated safety or relief valve is set forth. It is constructed with a valve body enclosing a movable valve member positioned above a fixed cylindrical structure having a flow passage through it. A coil spring in a bonnet mounted above the valv... | 08/30/1994 |
| 5305780 | Pressure relief valve with auxiliary loading device A pressure relief valve including a valve member movable between open and closed positions to control fluid flow. A body member is provided which receives a piston operatively connected to the valve member for operating same. The piston defines a first ch... | 04/26/1994 |
| 5246030 | Safety valve arrangement A safety or pressure relief valve which relieves excessive pressure in a storage reservoir in a compressed air system. The valve includes a lower valve body and an upper valve housing. A valve seat member is secured in the lower valve body. The valve seat... | 09/21/1993 |
| 5234023 | Pressure relief valve with auxiliary loading device A pressure relief valve including a valve member movable between open and closed positions to control fluid flow. A body member is provided which receives a piston operatively connected to the valve member for operating same. The piston defines a first ch... | 08/10/1993 |
| 5046524 | Safety relief valve A safety relief valve having a disc carrier with a downwardly extending flange which overlaps an adjusting ring located on a valve seat member for providing a quicker full rated lift and shorter blowdown. The downwardly extending flange has a beveled end ... | 09/10/1991 |
| 4708164 | Safety relief valve An improved safety relief valve that includes an adjusting ring located on the valve seat member. The adjusting ring has one end located to provide an orifice which will control the area governing the rate of closure or "blow down" of the valve and a much... | 11/24/1987 |
| 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 |
| 4418714 | Blow down ring locking device An improved pressure relief valve with an improved device for securing the blowdown ring of the valve without compromising its pressure integrity. These pressure relief valves include a nozzle extending into the interior of the valve and communicating wit... | 12/06/1983 |
| 4130130 | Valve with variable secondary orifice A valve comprising inlet means having a bore, a seat at one end of the bore and an annular outer edge portion. A primary orifice is defined by a valve member and the seat, and a secondary orifice is defined by the valve member and the outer edge portion. ... | 12/19/1978 |
| 4036250 | Blow-down safety valve A blow-down safety valve having means for directing the fluids exiting therefrom along a flow path which assists the valve member to open and seat quickly without excessive bleeding. The valve member includes a flat seating portion and an annular lip exte... | 07/19/1977 |
