| Patents for F16K 39 - Devices for relieving the pressure on the sealing faces (1,335) |
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| 08/25/2004 | CN1523256A 流量控制装置 Flow control means |
| 08/19/2004 | US20040159812 Solenoid-operated valve |
| 08/18/2004 | EP1447773A2 Image processing apparatus for reducing noise from image |
| 08/18/2004 | CN1521695A Image processing apparatus for reducing noise from image |
| 07/28/2004 | CN1515812A 卧式阀门 Horizontal Valve |
| 07/14/2004 | CN1512092A Large flow liquid charging and draining valve |
| 07/08/2004 | DE10114996B4 Vorrichtung zur Messung von Druck- und/oder Temperatur in einem fluidführenden Mediumkanal Device for measuring pressure and / or temperature in a fluid-carrying medium channel |
| 07/07/2004 | CN2623979Y Valve with balanced type valve rod |
| 06/02/2004 | EP1423631A1 Reducing valve for compressed gas bottles |
| 06/02/2004 | CN2619101Y High pressure throttle check valve |
| 05/27/2004 | US20040099832 Valve having pressure balancing piston and method involving same |
| 05/26/2004 | CN2618005Y Self-retaining solenoid valve with self-shutting cut-off function |
| 05/25/2004 | US6739572 Timing lock device for a faucet |
| 05/19/2004 | DE10232554B4 Magnetventil für Nutzfahrzeuge mit Luftfederung Solenoid valve for commercial vehicles with air suspension |
| 05/13/2004 | WO2004040176A2 Gas valve |
| 05/06/2004 | US20040086822 Dual lift system |
| 05/06/2004 | US20040086431 Regenerative thermal oxidizer having a valve system that ensures proper sealing and reduces or eliminates wear wherein the sealing pressure can be precisely controlled |
| 05/06/2004 | EP1416206A2 Valve having pressure balancing piston and method involving same |
| 05/06/2004 | EP1116908B1 Valve intended to be used in alumina production plants |
| 05/06/2004 | DE10249964A1 Gasventil Gas valve |
| 05/04/2004 | US6729351 Expanded range multiple-stage metering valve |
| 04/29/2004 | US20040079914 Purge valve with improved air flow control |
| 04/22/2004 | DE10296590T5 Hoch-Niedrig-Druckgas-Wegeventil für Kühleinrichtung High-Low-pressure gas-way valve cooling means |
| 04/13/2004 | US6719271 Combination face and plug seal |
| 04/13/2004 | CA2122501C Balanced, steam control valve assembly, and a plug-type valving element therefor |
| 03/25/2004 | DE10027598B4 Ventil Valve |
| 03/24/2004 | CN2607502Y Screw balancing hole structure for rotor part |
| 03/24/2004 | CN2607483Y Pressure differential induced water-saving valve |
| 03/24/2004 | CN1143100C Differential valve, specially a cabin air dicharger valve in an aircraft, and method for regulating cabin pressure |
| 03/17/2004 | CN2606827Y High temperature high pressure compensation type sealing ball valve |
| 03/11/2004 | WO2004020925A1 Dual lift system |
| 03/11/2004 | US20040046139 Directional-control valve |
| 03/11/2004 | CA2706650A1 Dual lift system |
| 03/09/2004 | US6701958 High performance fluid control valve |
| 03/04/2004 | US20040040315 High and low pressure gas selector valve of refrigerator |
| 03/03/2004 | EP1392992A1 High performance fluid control valve |
| 03/03/2004 | EP1392991A1 A servo control valve |
| 02/26/2004 | US20040035472 Valve arrangement having electromagnetic actuation |
| 02/11/2004 | CN2603261Y Power-saving stop-valve/check-valve |
| 02/05/2004 | DE10232554A1 Magnetventil für Nutzfahrzeuge mit Luftfederung Solenoid valve for commercial vehicles with air suspension |
| 01/28/2004 | EP1384927A2 Cartridge construction for a faucet switching device with at least two outlets |
| 01/28/2004 | CN1470785A Induced water-saving awter-tap for environmental protection |
| 01/27/2004 | US6682316 Dispensing system for petrol-pumps, including a bypass and principle valve |
| 01/22/2004 | US20040011986 Combination face and plug seal |
| 01/22/2004 | US20040011978 Timing lock device for a faucet |
| 01/21/2004 | EP1382469A2 Solenoid valve for utility vehicle with pneumatic suspension |
| 01/15/2004 | WO2004005779A1 Surge prevention device |
| 01/15/2004 | US20040007682 Two-port vacuum valve capable of adjusting valve-opening |
| 01/13/2004 | US6676108 Control valve |
| 12/31/2003 | CN2596118Y Valve for large flow-rate charging or discharging liquid |
| 12/30/2003 | US6669472 Dual lift system |
| 11/11/2003 | US6644408 Equalizing flapper for down hole safety valves |
| 11/04/2003 | US6641230 Anti-locking brake system for a land vehicle |
| 10/22/2003 | EP1354159A1 Sprinkler alarm test and drainage device for fire protection systems |
| 10/22/2003 | EP0951621B1 Valve cartridge for lift valve having the closing pressure on the sealing limited |
| 10/22/2003 | CN1125251C Valve assembly and airconditioning system including same |
| 10/21/2003 | CA2284819C Multistage valve, more particularly, cabin air exhaust valve in an aircraft, and method for cabin pressurization |
| 10/15/2003 | EP1353103A2 Valve device with electromagnetic actuation |
| 10/14/2003 | US6631735 Sanitary fitting |
| 10/08/2003 | CN1447048A Fluid speed control valve |
| 09/18/2003 | DE20121954U1 Valve arrangement for dosage regulation for liquid containers has integrated regulator valve and open/closed valve for compact construction |
| 09/10/2003 | CN2572147Y Leading type water saving environment protection water tap |
| 09/03/2003 | EP1340933A1 High pressure valve |
| 08/21/2003 | US20030155544 High-pressure valve |
| 08/21/2003 | DE20308631U1 Stop valve, in particular short stroke valve, comprising two additional axial grooves and conical bore |
| 08/21/2003 | DE10204988C1 Hochdruckventil High pressure valve |
| 08/07/2003 | DE20121869U1 Valve comprises adjustable piston interacting with valve seat, and piston normal to its axial movement direction is divided into closing section facing valve seat and guide section facing away from valve seat |
| 08/06/2003 | CN2564802Y Hydraulic and air pressure self-balance stop valve |
| 08/06/2003 | CN1117234C Rotary flow path switching valve |
| 07/23/2003 | CN2562013Y Induced water-saving environmental protective double control water valve |
| 07/23/2003 | CN2562009Y Induced water-saving environmental protection valve |
| 07/16/2003 | CN2560798Y Multifunctional water-saving environmental protection induced water valve |
| 07/09/2003 | EP1325253A1 Device for controlling a flow of fluid |
| 06/24/2003 | US6581635 Pilot-type two-port vacuum valve |
| 06/19/2003 | US20030111119 High performance fluid control valve |
| 06/11/2003 | EP1317638A1 Directional-control valve |
| 06/11/2003 | CN2555440Y Easy-to-open trip valve |
| 06/04/2003 | CN1110668C Flow route change valve, control method of change valve, freeze cycle and method for controlling freezing cycle |
| 05/27/2003 | US6568656 Flow control valve with lateral port balancing |
| 05/14/2003 | EP1163138B1 Anti-lock braking system |
| 05/06/2003 | CA2042328C Balanced sleeve control choke |
| 05/01/2003 | WO2003036101A1 Slide valve |
| 04/30/2003 | CN2547971Y Pressure-balance three-way regulating valve |
| 04/23/2003 | CN2546694Y Liquid, gas pressure self-balancing stop valve |
| 04/22/2003 | CA2203842C Instant-on vented tank valve with manual override and method of operation thereof |
| 04/16/2003 | EP1105667B1 Valve slide |
| 04/08/2003 | US6543474 Pressure equalizing check valve |
| 04/02/2003 | CN2542892Y Internal balancing pneumatic stop valve |
| 03/27/2003 | US20030056839 Surge prevention device |
| 03/25/2003 | US6536472 High performance fluid control valve |
| 03/20/2003 | WO2003023263A1 Reducing valve for compressed gas bottles |
| 03/19/2003 | CN2540537Y Inner balance oxygen stop valve |
| 03/12/2003 | CN2539885Y Internal balanced pneumatic stop valve |
| 02/20/2003 | WO2003014577A1 Rotary servovalve and control system |
| 02/05/2003 | CN2534433Y Internal dynamic valve |
| 01/29/2003 | CN2533348Y 控制阀 Control Valve |
| 01/22/2003 | EP1278011A2 Valve insert and valve for gas appliances |
| 01/21/2003 | US6508521 Anti-locking brake system |
| 01/15/2003 | CN1391047A Nested valve for high-pressure pipeline and container |
| 01/14/2003 | US6505647 Four-way selector valve |