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| Number | Title | Issue Date |
| 7121522 | Device for the regulation of flow applied to flow valves working under pressure differential A device for regulating flow comprises a main valve operating under differential pressure wherein the main valve has a main flow inlet and a main flow outlet. The main flow inlet is equipped with a valve seat over which a main shutter is adjusted in a perpendicular ... | 10/17/2006 |
| 6926249 | Precision modulating globe valve A precision modulating globe valve for controlling the flow of a fluid from zero to a maximum flow rate. The valve plug of the globe valve includes at least one flow modulating channel recessed from the outer surface of the valve plug. The outer surface of the valve... | 08/09/2005 |
| 6712088 | Pilot-type channel valves providing counter-flow prevention A counter-flow prevention valve is disposed within a body of a pilot-type channel valve. While electrical power is applied to a solenoid coil and the pilot-type channel valve is opened, i.e., while a gas is flowing through the counter-flow prevention valve and the g... | 03/30/2004 |
| 6682316 | Dispensing system for petrol-pumps, including a bypass and principle valve A dispensing system for petrol pumps, comprising a pump, a dispensing valve in a petrol pump nozzle and an electrically controllable solenoid valve (10), characterized in that the solenoid valve (10) includes a directly acting principal valve (18) and a b... | 01/27/2004 |
| 6588724 | On-off valves for high pressure fluids An on-off valve that operates between an open position and a closed position, particularly with high-pressure working fluids. has a valve body that defines a valve cavity. A valve poppet is slidably mounted within the valve cavity. A bushing is mounted wi... | 07/08/2003 |
| 6254057 | Valve control system A fluid control valve has a valve member which, on closing creates a stagnation zone between the valve member and a surface within the valve. In the stagnation zone fluid pressure is greater than it is in an adjacent constriction zone. This causes the val... | 07/03/2001 |
| 5429099 | Anti-permeation filter for vapor management valve A flow regulator for automotive vehicles of the type having a computer-controlled emission control system. The flow regulator has an electric vacuum regulator (EVR) valve that regulates the vacuum signal provided to a vacuum regulator valve in accordance ... | 07/04/1995 |
| 5301919 | Sprinkler valve A sprinkler valve suitable for flows from about one (1) to two (2) gallons per hour to thirty (30) to forty (40) gallons per minute. A double diaphragm utilizes a principle of differential areas to create force for any non-zero pressure through the valve.... | 04/12/1994 |
| 5195718 | Sprinkler valve A sprinkler valve suitable for flows from about one (1) to two (2) gallons per hour to thirty (30) to forty (40) gallons per minute. A double diaphragm utilizes a principle of differential areas to create force for any non-zero pressure through the valve.... | 03/23/1993 |
| 5101858 | Gas sealing valve and valve equipped plastic processing installation The valve needle of a gas sealing valve for plastic processing plants may be controlled by a control valve, which in turn is controlled by a working gas volume in order to prevent formation of internal waviness in injection molded articles even under very... | 04/07/1992 |
| 4245813 | Flush valve A flush valve including a housing, a removable partition sealingly engaging said housing and defining a primary chamber and a control chamber; the housing including an inlet port in the primary chamber for connection with a source of flushing fluid, and a... | 01/20/1981 |
