| Patents for F16K 25 - Details relating to contact between valve members and seats (2,498) |
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| 12/31/2008 | CN201173313Y Automatic compensation sealed multi-way value |
| 12/31/2008 | CN201173304Y Titanium nitride ceramic-metal composite wear-resistant ball valve |
| 12/30/2008 | US7469720 High energy dissipative and erosion resistant fluid flow enhancer |
| 12/30/2008 | US7469709 Three-wedge double block isolation chamber |
| 12/25/2008 | US20080315146 Faucet |
| 12/24/2008 | CN201170372Y Sealing device for gas electromagnetic valve |
| 12/24/2008 | CN201170352Y Leak-proof antifreezing sanitary faucet |
| 12/24/2008 | CN201170344Y Fine adjustment type ceramic regulation valve |
| 12/24/2008 | CN201170342Y Tungsten carbide ceramic-metal composite wear-resistant ball valve |
| 12/24/2008 | CN201170339Y No leakage gate valve |
| 12/24/2008 | CN201170335Y Light ceramic gate valve with purging device |
| 12/24/2008 | CN201170329Y Flange neutral main butterfly valve for large caliber bidirectional-bearing bidirectional-sealing full lining-rubber sealing pair |
| 12/24/2008 | CN101328981A Dynamic ball valve sealing device for three-way valves |
| 12/23/2008 | US7467641 Metering valve for hydrofluoric plants |
| 12/17/2008 | CN201166140Y Rotary valve with steady safeguard apparatus |
| 12/17/2008 | CN201166136Y Temperature adjustment type water sealing parallel type double gate valve |
| 12/17/2008 | CN201166135Y Water sealing parallel type double gate valve |
| 12/17/2008 | CN201166134Y Three-plate valve with inner support frame |
| 12/17/2008 | CN201166133Y Five-plate type mineral slurry valve |
| 12/17/2008 | CN201166130Y Lining fluorine anti-corrosive control valve |
| 12/17/2008 | CN201166129Y Low pressure drop floating type gas-phase medium water sealing valve |
| 12/11/2008 | US20080302989 Vacuum gate valve having a limb element |
| 12/11/2008 | US20080302426 System and method of securing removable components for distribution of fluids |
| 12/11/2008 | US20080302424 Self-Cleaning Valves for use in Vacuum Cleaners and other Self-Cleaning Valves |
| 12/11/2008 | US20080302421 Permeable gas assembly for gas delivery |
| 12/10/2008 | CN201162861Y Novel double-closing three-way reversal valve |
| 12/10/2008 | CN201162856Y Self-returning anti-corrosion anti-freezing water tap |
| 12/10/2008 | CN201162844Y Hard seal stop cock |
| 12/10/2008 | CN201162840Y Flashboard type shutter |
| 12/10/2008 | CN201162833Y Turning plate valve for filter chamber |
| 12/04/2008 | US20080296402 Retention system |
| 12/03/2008 | CN201159300Y High temperature oil gas isolation valve |
| 11/27/2008 | DE102008020607A1 Gegenstand mit Schutzschicht und Verfahren zu dessen Herstellung Article with the protective layer and method for its production |
| 11/26/2008 | CN201155605Y Seal |
| 11/26/2008 | CN201155592Y Hydraulic change-over valve |
| 11/26/2008 | CN201155584Y Rotary valve with valve core gravity force reducing device |
| 11/26/2008 | CN201155583Y Ball valve |
| 11/26/2008 | CN100436756C Combined stop-control valve for supplying steam |
| 11/25/2008 | CA2372298C On-off valve for a gas injection system, particularly of methane, for internal combustion engines |
| 11/25/2008 | CA2356026C Corrosion-resisting and wear-resisting alloy and device using the same |
| 11/20/2008 | WO2008139342A1 Valve-seat interface architecture |
| 11/20/2008 | CA2686521A1 Valve-seat interface architecture |
| 11/19/2008 | CN201152369Y Plastic ball-valve mounted with valve ball wrapper body |
| 11/19/2008 | CN101310134A 延迟焦化器隔离阀系统 Delayed coker system isolation valves |
| 11/18/2008 | CA2517254C Injection port valve |
| 11/12/2008 | CN101305168A Hollow lifting valve for embedding with refrigerant and manufacturing method thereof |
| 11/06/2008 | DE102007046983A1 Valve for gaseous and liquid medium, has seat, which is formed as thin-metal sheet part with roof part and peripheral wall, where peripheral wall has outer surface that firmly lies at inner surface of outer wall of valve body |
| 11/05/2008 | EP1848906B1 Stop valve |
| 11/05/2008 | CN201145080Y Metallic reinforced polyether ether ketone valve seat |
| 11/05/2008 | CN201145055Y Rotary plate-type abrasion-proof valve |
| 11/05/2008 | CN101298891A Side inlet type electromagnetic valve |
| 11/05/2008 | CN101298887A Ball valve |
| 11/04/2008 | US7445026 Valve component with improved wear resistance |
| 10/30/2008 | WO2008131246A1 Secondary seat for gas regulator |
| 10/30/2008 | US20080265197 Gate valve for a system for circulating cooling air through a turbomachine |
| 10/30/2008 | CA2682236A1 Secondary seat for gas regulator |
| 10/29/2008 | CN101294628A Zero leakage balance valve system |
| 10/28/2008 | US7441560 Solenoid valve for fuel cell |
| 10/23/2008 | US20080258094 Valve With Low Friction Coating |
| 10/23/2008 | US20080258091 Floating slit valve for transfer chamber interface |
| 10/23/2008 | US20080257418 Pressure Averaging Sense Tube For Gas Regulator |
| 10/15/2008 | EP1980776A2 Valve component for faucet |
| 10/15/2008 | CN201133491Y Four-way change valve dragging gallow member |
| 10/15/2008 | CN201133484Y Gate valve combined seal ring |
| 10/15/2008 | CN101285535A 旋塞的阀元件 Cock valve element |
| 10/15/2008 | CN101285530A Pump ball-valve |
| 10/15/2008 | CN101285529A Integral type metal ball-valve |
| 10/14/2008 | US7434708 Valve assembly |
| 10/14/2008 | CA2304399C Advanced check valve with elastomer o-ring |
| 10/09/2008 | WO2008120021A1 Disc component for gas control valves |
| 10/09/2008 | WO2008119374A1 Sliding valve for hydraulic systems |
| 10/09/2008 | US20080245987 Valve regulation for turbocharger |
| 10/08/2008 | CN201129488Y Abrasion-proof valve of valve plate surface adhering silicon carbide plate |
| 10/08/2008 | CN101280851A Over pressure inner discharging type double-seal ball valve |
| 10/01/2008 | CN201126050Y Positive-pressure superconduction automatic start and stop discharge exploding apparatus |
| 09/25/2008 | US20080230731 Ball valve with removable means for retaining the axial seal |
| 09/24/2008 | CN101270820A Screwing type hard seal ball valve |
| 09/24/2008 | CN101270816A Precision modulating glove valve |
| 09/24/2008 | CN101270813A Ore pulp regulating valve |
| 09/23/2008 | US7426939 Rotatable valve |
| 09/18/2008 | WO2008048891A3 Three-way poppet valve |
| 09/17/2008 | CN101265986A Low pressure drop high-temperature gas changing-over valve sealing structure |
| 09/11/2008 | DE202007006579U1 Axialdichtung für den Ventilkörper-Dichtsitz eines Be- und Entlüftungsventils Axial seal for the valve body sealing seat of the air valve |
| 09/10/2008 | CN101260943A Low pressure drop high-temperature gas changing-over valve |
| 09/09/2008 | US7422653 Single-sided inflatable vertical slit valve |
| 09/04/2008 | WO2008106634A2 Floating slit valve for transfer chamber interface |
| 09/04/2008 | US20080210307 Control of slit valve door seal pressure |
| 09/03/2008 | CN100416079C Backflow prevention valve |
| 08/28/2008 | DE102007009168A1 Pressure-compensated control valve, has seat limiting surface running between valve element and valve piece, where seat limiting surface is limited by seat disposing edge, which is guided at valve element or at valve piece |
| 08/27/2008 | CN101251202A One-way horizontal check valve |
| 08/26/2008 | CA2449216C Cylinder valve and bayonet check-filter with excess-flow protection feature |
| 08/20/2008 | CN101245861A Non-leakage flat gate valve |
| 08/20/2008 | CN100412430C Check valve |
| 08/14/2008 | WO2008097160A1 Method and arrangement for eliminating the risk of leakage from a first one to a second one of two fluid systems |
| 08/14/2008 | WO2008057536A3 Fire protection control valve with rotating plug |
| 08/14/2008 | DE102007006934A1 Valve i.e. gas injecting valve, for injecting gaseous fuel into internal-combustion engine, has stop unit limiting movement of valve unit in direction of valve seat, such that sealant seals between valve seat and unit in closed condition |
| 08/13/2008 | EP1955773A2 Sealing structure for opening/closing valve of spray gun |
| 08/13/2008 | CN201100441Y Automatic coke eliminating rotary piston valve |
| 08/13/2008 | CN101240858A Ball valve |
| 08/13/2008 | CN101240854A Valve seal |