Patents for F16K 39 - Devices for relieving the pressure on the sealing faces (1,335)
03/2006
03/28/2006US7017608 Balanced globe valve
03/09/2006US20060048827 Balanced globe valve
03/08/2006CN1244760C Four-way converting valve
02/2006
02/21/2006US7000895 Valve having pressure balancing piston and method involving same
02/14/2006US6997430 Fail safe valve
01/2006
01/31/2006US6991212 Needle valve
01/19/2006WO2006005338A1 Flow control valve for refrigeration system
01/19/2006WO2006005290A1 Electrohydraulic control valve
01/19/2006DE102005027573A1 Durchflussratensteuervorrichtung Flow rate control means
01/19/2006DE102004033514B3 Elektrohydraulisches Steuerventil An electro-hydraulic control valve
01/12/2006US20060005890 Flow control valve for refrigeration system
01/11/2006EP1614947A1 Electro-hydraulic valve
01/04/2006EP1015798A4 A valve assembly and airconditioning system including same
01/04/2006CN1234983C Guide type two hole vacuum valve
01/03/2006US6981688 Flow control device
12/2005
12/29/2005US20050285067 Flow rate control apparatus
12/28/2005EP1610046A1 Valve device
12/27/2005US6978977 Dual lift system
12/22/2005WO2005121617A2 Reducing the torque required for repositioning a valve member of a ball valve
12/22/2005US20050279959 Valve having pressure balancing piston and method involving same
12/15/2005WO2005074510A3 Device for the regulation of flow applied to flow valves working under pressure differential
12/14/2005CN2746229Y Valve needle cover with pressure balance function
12/08/2005US20050269544 Reducing the torque required for repositioning a valve member of a ball valve
11/2005
11/16/2005CN1227468C Flow-guiding type dual-hole vacuum valve
10/2005
10/20/2005US20050230651 Protection of a seal element
10/19/2005EP1586835A2 Fluid control valve
10/19/2005CN1223778C Fluid speed control valve
10/13/2005DE102004012709A1 Ventil Valve
10/11/2005US6953186 Solenoid-operated valve
10/06/2005US20050217740 Solenoid valve
10/05/2005EP1582791A1 Solenoid valve
10/05/2005CN1678876A Dual lift system
09/2005
09/21/2005EP1577593A1 Spool valve
09/15/2005DE102004029991B3 Gas flow controlling method for burner, involves opening smaller valve to lower gas pressure difference on larger valve, such that larger valve is depressurized, where larger valve is arranged parallel to smaller valve
09/14/2005EP1574771A2 Valve for use in a stretch blow molding machine
09/07/2005EP1163139B1 Anti-blocking braking system for a land vehicle
08/2005
08/30/2005US6935616 Balanced plug valve
08/25/2005WO2005078363A1 Three track valve for cryogenic refrigerator
08/18/2005WO2005074510A2 Device for the regulation of flow applied to flow valves working under pressure differential
08/17/2005CN1654866A Valve
08/04/2005US20050167624 Device for the regulation of flow applied to flow valves working under pressure differential
08/03/2005EP1558865A2 Gas valve
07/2005
07/28/2005DE202004020517U1 Throttle valve device for pneumatic power tool, has manually operable activating rod having valve portion for controlling bypass passage and arranged to open up bypass passage before displacing ball valve off main valve seat
07/26/2005US6920898 High-pressure valve
07/21/2005US20050155656 Fluid control
07/13/2005EP1532385A4 Surge prevention device
07/13/2005CN1210512C Stable exhaust valve
07/12/2005US6916003 Directional-control valve
07/07/2005DE102004045983A1 Sliding control valve in particular for forklift, comprising specifically arranged pressure ducts for avoidance of blocking
07/06/2005EP1354159A4 Sprinkler alarm test and drainage device for fire protection systems
06/2005
06/15/2005CN1626010A Common return of hall sensor and electromagnetic valve in electric cooker
05/2005
05/31/2005CA2361865C Sanitary fitting
05/26/2005WO2005047742A1 Balanced globe valve
05/26/2005CA2544799A1 Balanced globe valve
05/25/2005EP1532412A1 Dual lift system
05/25/2005EP1532385A1 Surge prevention device
05/19/2005WO2005045309A1 Solenoid valve device installed in gas tank
05/19/2005US20050103382 Flow control system for a valve
05/18/2005CA2487884A1 Flow control system for a valve
05/12/2005US20050098220 Balanced globe valve
05/11/2005CN2699071Y Oilfield Balanced type cut-off valve
05/11/2005CN2699068Y Balanced type cut-off valve
05/11/2005CN2699067Y Electric valve
05/11/2005CN1614267A Double-sealing wash-free high-pressure stop valve
05/11/2005CN1201104C Globe valve opening and closing apparatus
04/2005
04/27/2005EP1526312A1 Valve
04/27/2005CN2695740Y Self-decompression guide bar double-flange butterfly valve
04/27/2005CN2695729Y Balance throttle stop valve
04/26/2005US6883614 Modular actuator system for valves and chokes
04/21/2005DE20318992U1 Schiebersteuerventil Slide control valve
04/07/2005US20050072464 Shear mechanism for backpressure relief in a choke valve
03/2005
03/30/2005CN2688987Y Secondary opening stop valves
03/24/2005WO2004100339A3 Modular actuator system for valves and chokes
03/03/2005WO2005019709A1 Valve device
02/2005
02/23/2005CN2680940Y High pressure difference, throttling, adjusting and balancing type high temperature gas injection stop valve
02/17/2005DE19930724B4 Ventil Valve
02/16/2005CN2679437Y Valve
02/08/2005CA2364329C Equalizing flapper for downhole safety valves
02/02/2005CN2675970Y Fore running type bidirectional current electromagnetic valve
01/2005
01/27/2005DE102004031576A1 Drosselventilvorrichtung für ein pneumatisches Motorwerkzeug Throttle valve device for a pneumatic power tool
01/20/2005US20050012065 Balanced plug valve
01/20/2005DE102004028865A1 Refrigeration system valve, has valve housing with inlet and outlet, and resetting device that causes valve unit to be returned to predetermined position upon undesired cessation of control motor operation
01/13/2005US20050006615 Throttle valve device for a pneumatic power tool
12/2004
12/23/2004US20040256586 Fail safe valve
12/16/2004US20040250857 Reducing valve for compressed gas bottles
12/01/2004EP1317638B1 Directional-control valve
11/2004
11/18/2004WO2004100339A2 Modular actuator system for valves and chokes
11/17/2004EP1002206B1 Control valve
11/09/2004US6814338 Two-port vacuum valve capable of adjusting valve-opening
11/04/2004US20040216888 Modular actuator system for valves and chokes
10/2004
10/21/2004US20040208391 Solenoid-operated valve
10/20/2004CN1172100C Nested valve for high-pressure pipeline and container
10/14/2004US20040200986 Flow control device
09/2004
09/29/2004CN1533487A 伺服控制阀 Servo control valve
09/22/2004CN2643091Y Fluid speed regulating valve
09/10/2004WO2004040176A3 Gas valve
09/08/2004EP1455127A2 Solenoid-operated valve
09/01/2004CN2637835Y Hydraulic, air pressure self-balancing stop valve
09/01/2004CN2637833Y Electron expansion valve used for flow restriction prossure reducing and regualting flow quantity
08/2004
08/31/2004US6783111 Dual lift system
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