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