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| Number | Title | Issue Date |
| 7694692 | Non-magnetic latching servo actuated valve A non-magnetic latching servo actuated valve under the control of a controller comprising a motor in rotational communication with a lead screw. The lead screw advances or retracts a valve stem connected to a valve stem cap. The valve stem cap has a valve stem cap p... | 04/13/2010 |
| 7325569 | Butterfly valve with integral split flapper relief valve A valve is provided that includes a valve housing, a valve element, and a flapper. The valve housing has a passage. The valve element is rotationally mounted in the passage and moveable between an open position and a closed position. Additionally, the valve element ... | 02/05/2008 |
| 7320336 | Plug incorporating pressure-sensitive valve A plug which is insertable into a outlet from a vessel, to seal the vessel so that it may hold liquid. To prevent overflow, the plug has an in-built valve which automatically opens when it experiences a predetermined threshold pressure. The threshold pressure can be... | 01/22/2008 |
| 7278448 | Rotary ball valve assembly A method of forming a ball valve element for a rotary ball valve assembly, the method comprising the steps of: (a) inserting an impedance element through an insertion opening of a ball valve element into a bore; (b) forming a fluid opening in the ball valve element ... | 10/09/2007 |
| 7270149 | Rotary valve assembly A rotary valve assembly has a valve body, a rotor and a plurality of guidance check valves. The valve body includes a valve seat longitudinally defining a bore through a center thereof. A plurality of valve oil passages and a main oil passage are respectively distri... | 09/18/2007 |
| 7204821 | Surgical fluid management system with suction control Apparatus for controlling the volume of surgical fluid present in a cavity in the body of a patient during surgery includes a conduit to the cavity for conducting the surgical fluid therefrom to at least one receptacle for receiving the fluid from said cavity. A sou... | 04/17/2007 |
| 7198058 | Device for actuating double seat valves The invention relates to a device for actuating double seat valves, which are especially suitable for the food and beverage industry and which have an independently actuated first closing element (3) and a second closing element (4) actuated dependentl... | 04/03/2007 |
| 7191791 | Device for actuating double seat valves The invention relates to a device for actuating double seat valves, which are especially suitable for the food and beverage industry and which have an independently actuated first closing element (3), which is designed as a sliding piston and a fully dependen... | 03/20/2007 |
| 7178544 | Combination shut-off and resetable excess flow valve A valve operable with an associated fluid delivery system having fluid flow therethrough includes a housing, a valve body and a resetable excess flow valve. The housing has a first passage and the valve body is disposed along the first passage and including a wall a... | 02/20/2007 |
| 7143787 | Microluidic valve having two revolving valve elements A component part of a microfluidic valve adapted to be coupled with a microfluidic device, the microfluidic device having at least one port coupled to a flow path of the microfluidic device, the component part comprising a first revolving valve element having a firs... | 12/05/2006 |
| 7121298 | Reducer valve for pressurized gas A reducer valve for pressurized gas includes a piston (2) displaceably mounted in a valve housing (3) against the force of a pressure spring (8). At one end, the piston (2) is subjected to pressure by the back pressure via a control press... | 10/17/2006 |
| 7063520 | Suction valve assembly of reciprocating compressor In a reciprocating compressor including a piston slide-inserted into the compression space of the cylinder, having a gas path therein, inducing a fluid into the compression space through the gas path and varying a volume of the compression space while performing a l... | 06/20/2006 |
| 7044442 | Valve block for a control device, particularly for a hydrostatic machine The invention relates to a valve block (1) for a control device comprising a valve (9) whose valve piston (14) is subjected to the action of a control pressure when in its open position and to the action of a return spring (15) when in it... | 05/16/2006 |
| 7044162 | Mixing valve cartridge A mixing valve cartridge for mixing cold and hot water includes two, superimposed discs disposed in a cartridge housing and forming together a plane seal. One of the superimposed discs constitutes a fixed inlet disc and the other constitutes a control disc arranged ... | 05/16/2006 |
| 7040348 | Arrangement for a single-grip mixing faucet being operated by turning only The invention relates to a arrangement for single-grip mixing faucets operated by turning only, comprising a fixed inlet disc (11) and a rotating regulation disc (16) arranged above each other forming thereby a plane seal, for regulating the amount and... | 05/09/2006 |
| 6957661 | Valve with pressurization rate reduction device A valve includes a housing assembly, a stem assembly and a surge suppression device. The surge suppression device includes an initial flowpath between the valve inlet and the outlet, a primary flowpath between the inlet and the outlet, a first valve assembly and a s... | 10/25/2005 |
| 6935371 | High capacity globe valve A high flow globe valve with a body defining an interior cavity in communication with a first and second fluid passages. A tubular throttling cage is offset in the cavity away from the second fluid passage and has an open end in communication with the first fluid pa... | 08/30/2005 |
| 6901962 | Surge prevention device A surge prevention valve may be used to prevent the formation of an initial surge of high pressure. The valve may be located, for example, between a high pressure gas cylinder and a medical pressure regulator. The valve is provided with first and second valves locat... | 06/07/2005 |
| 6901957 | Hot gas bypass isolation A bypass line assembly comprising a bypass line for transporting a gas in a flow direction, a bypass valve located at a position along the bypass line, and a manual throttle valve located upstream from the bypass valve, the manual throttle valve comprising a throttl... | 06/07/2005 |
| 6889731 | Compressed-gas canister for a fastening appliance and adapter cap for fitting an intermediate seal Compressed gas canister (1′) intended to supply gas to a fastening appliance (2) that runs on compressed gas, includes a protective edge (12) forming a bowl inside which an ejection valve (16) having a bearing and displacement surface (... | 05/10/2005 |
| 6814101 | Excessive flow valve A valve which has a valve body having a through-bore to permit the flow of gas through the through-bore, an excessive flow valve disposed within the through-bore of the valve body, the excessive flow valve including a supporting tube having a plurality of struts, an... | 11/09/2004 |
| 6655410 | Multi-way hydraulic distributor with an interception unit This invention relates to a hydraulic, multi-way distributor comprising a body (10) with a water inlet passage (11) and several water outlet ways (12) towards just as many uses. A rotary diverter device (13) in said body is provided with an axial hole (16... | 12/02/2003 |
| 6581623 | Auto-switching gas delivery system utilizing sub-atmospheric pressure gas supply vessels An auto-switching sub-atmospheric pressure gas delivery system, for dispensing gas to a gas-consuming process unit, e.g., a semiconductor manufacturing tool, without the occurrence of pressure spikes or flow perturbations.... | 06/24/2003 |
| 6467515 | Gas container A gas container comprises a container including a main chamber for containing flammable gas. The container comprises a valve seat in an end thereof, the valve seat defining a chamber communicated with the main chamber. A cover is mounted to close the end ... | 10/22/2002 |
| 6328052 | Bidirectional check valve A valve for controlling fluid flow while permitting flow in only one direction includes a housing having a spherical central opening and connections to permit attachment to fluid flow lines at opposite ends of the housing. The spherical opening is configu... | 12/11/2001 |
| 6269840 | Valve-in-valve body, vent port and method A valve in valve assembly. The assembly comprises a housing having an internal passage, a valve body in the housing and movably operable to control process fluid flow through the passage, and a chamber in the valve body. The chamber is open to the passage... | 08/07/2001 |
| 6167908 | Valve assembly for an apparatus under pressure A valve assembly for an apparatus under pressure includes a valve casing including a connecting pipe for attachment to an apparatus under pressure, and a discharge pipe, with the connecting pipe and the discharge pipe being connected by a fluid-carrying p... | 01/02/2001 |
| 6164269 | Exhaust gas recirculation valve assembly having an integrated check valve An EGR valve assembly for an internal combustion engine includes a check valve which allows the use of EGR under conditions where the average pressure of exhaust gases in the exhaust manifold is less than the average pressure of air in the intake manifold... | 12/26/2000 |
| 6142185 | Valve block A valve block for a glass container forming machine comprises a frame supporting a plurality of valve stations. Each of the stations is provided with a valve. The frame comprises pressure passages connected to supplies of compressed air, and control sleev... | 11/07/2000 |
| 6131611 | Cartridge or mechanism for a sequential mixing valve A cartridge for a mixing valve of the so-called sequential type, which includes:--an envelope intended for being inserted in a valve body;--a bottom member which closes at bottom the envelope, has outer connections intended to sealingly cooperate with pas... | 10/17/2000 |
| 6098645 | Leak resistant, switching, double valve system A double-seat valve with an upper valve stem and a lower valve stem which, on the end, each have valve sealing bodies, each of which valve sealing bodies has a seal which is located on the balance diameter. One of the valve sealing bodies also has a cente... | 08/08/2000 |
| 6098659 | Combined directional and flow control valve A one-way spring tensioned flapper is located at one end of a valve housing to control the direction of flow. A rotatable plug at a second end can be partially opened to control the flow rate through the valve. A top mounted handle controls movement of th... | 08/08/2000 |
| 6021952 | Combination check valve, shutoff and seal for thermostatic valve A combination check valve, shutoff and seal cartridge is provided for a thermostatic valve, wherein the thermostatic valve includes hot and cold water inlets communicating with an ON/OFF/volume control and/or diverting water valve. The water output of the... | 02/08/2000 |
| 6009896 | Shut-off valve A shut-off valve includes a valve housing having at least two mutually connecting chambers communicating with each other in each case via a passage opening bounded by a valve seat surface and provided with ports for feed and discharge of a medium. The shu... | 01/04/2000 |
| 6003550 | Combination shut off valve and excessive flow valve A combination valve that provides both positive shut off and excessive flow shut off. A rotary valve is provided. In its first position an integral excessive flow shut off valve allows normal flow and shuts off if high flow occurs. In a second position th... | 12/21/1999 |
| 5996687 | Full bore variable flow control device A variable flow control device having a substantially cylindrical housing with a valve element connected to an inner surface thereof. The valve is movable between an open position and a closed position in the bore. One or more flow control orifices are lo... | 12/07/1999 |
| 5931375 | Valve for a system having an energy-carrying medium Energy exchanger valve (8) with thermostat valve (12), a housing (9) with inlet (20) and outlet (21), a thermostat bellows displaceable spindle (30) with seal (42) which, by the expansion/contraction of the thermostat bellows and against the pressure of a... | 08/03/1999 |
| 5775363 | Double seat valve with a controlled leakage cavity The invention relates to a double seat valve with a controlled leakage cavity according to the preamble of claim 1. It is an object of the present invention to create favorable conditions for complying, in most points, with the so-called US-American 3A st... | 07/07/1998 |
| 5699825 | Double seat flow control valve A double seat flow control valve includes three pneumatic pistons enclosed within two air chambers to operate upper and lower valve disks for venting operations in addition to valve opening and valve closing operations. An air boost is provided for the up... | 12/23/1997 |
| 5690142 | Variable orifice ball value A variable orifice ball valve includes an external housing with a longitual fluid bore formed therethrough. A ball member is rotatably positioned within the external housing. The ball member can include first and second ball portions, with the longitudin... | 11/25/1997 |
