| Patents for F16K 15 - Check valves (18,131) |
|---|
| 11/25/2004 | DE10335379B3 Back flow prevention device for drinking water line has 2 successive non-return valves displaced within housing of device for controlling leakage opening and preventing pressure rise at outlet opening |
| 11/24/2004 | EP1480098A1 Pressure regulator |
| 11/24/2004 | EP1479954A2 Oil-hydraulic pressing and cutting tool |
| 11/24/2004 | EP1479554A1 Flapper type fill tube check valve |
| 11/24/2004 | EP1479521A1 Ink tank |
| 11/24/2004 | EP1082564B1 Retainer insert for a valve having a floating closure member |
| 11/24/2004 | CN1548797A Slow-opening and fast-closing energy-saving non-return valve |
| 11/24/2004 | CN1548796A 创口单向阀 Wound-way valve |
| 11/24/2004 | CN1177141C Valve for closed compressor |
| 11/23/2004 | US6820645 Unlockable non-return valve for very high system pressures |
| 11/23/2004 | CA2467616A1 Flapper type fill tube check valve |
| 11/18/2004 | WO2004099749A1 Pressure equalisation device |
| 11/18/2004 | US20040228734 Valves and pumps for microfluidic systems and method for making microfluidic systems |
| 11/18/2004 | US20040226646 Method for welding together sheet member and cylindrical member |
| 11/18/2004 | US20040226617 Isolation valve with rotatable flange |
| 11/18/2004 | US20040226616 Discharge valve |
| 11/18/2004 | DE10349543B3 A threaded plug for an electronic unit housing or electric motor with a thread for screwing into an opening in the housing |
| 11/18/2004 | DE102004012831A1 Entkoppeltes Rückschlag-Druckbegrenzungsventil Decoupled check pressure relief valve |
| 11/17/2004 | EP1477617A2 Odour seal and backflow-preventer |
| 11/17/2004 | EP1289607A4 Self contained sport ball inflation mechanism |
| 11/17/2004 | EP1277005B1 Return check valve |
| 11/17/2004 | CN2656759Y Double-connection non-return valve |
| 11/17/2004 | CN2656758Y Structure-improved controllable non-return valve |
| 11/17/2004 | CN2656757Y Non-return valve |
| 11/17/2004 | CN2656756Y Non-return valve for pipeline |
| 11/17/2004 | CN2656755Y Buffer non-treturn valve |
| 11/17/2004 | CN2656754Y Non-return valve with guide |
| 11/17/2004 | CN2656753Y Non-return valve |
| 11/17/2004 | CN2656729Y Multifunctional control valve |
| 11/17/2004 | CN1547650A Vacuum demand valve |
| 11/17/2004 | CN1547496A Respirator valve |
| 11/17/2004 | CN1176308C Mechanical-electromagnetic locking mechanism for weight-type hydraulic check butterfly valve |
| 11/16/2004 | US6817494 Valve assembly for pressurized fluid containers |
| 11/16/2004 | US6817374 Check valve |
| 11/11/2004 | WO2004097192A2 Exhaust for internal combustion engine |
| 11/11/2004 | US20040222229 Valve for dispensing liquids and method of use |
| 11/11/2004 | DE10251803A1 Kompressor Compressor |
| 11/10/2004 | EP1474281A1 Flap valve |
| 11/10/2004 | CN2654983Y Simple detachable check valve for house kitchen and toilet |
| 11/10/2004 | CN2654982Y Micro-power controlled dropping-proof reversely mounting-proof valve |
| 11/10/2004 | CN1544836A Column and cone piston type pipe control energy-saving valve |
| 11/09/2004 | US6814644 Valve and retainer for latex balloons |
| 11/09/2004 | US6814639 Air valve |
| 11/09/2004 | CA2251763C Self-sealing valve for balloons or non elastomer articles, obtained by a mass production process |
| 11/04/2004 | WO2004094882A1 Sequencing valve |
| 11/04/2004 | WO2004093586A1 Fluid system with internal filter |
| 11/04/2004 | US20040217312 Regulation valve |
| 11/04/2004 | US20040216791 Reed valve and reed valve assembly |
| 11/03/2004 | EP1473498A1 Valve |
| 11/03/2004 | EP1473049A1 Trocar seal system |
| 11/03/2004 | EP1125074B1 Disc type check valve |
| 11/03/2004 | CN2653252Y Inflation valve |
| 11/03/2004 | CN2653251Y Return pressure single flow valve |
| 11/03/2004 | CN2653250Y Suspension type exhaust gas check valve |
| 11/03/2004 | CN2653249Y Lifting exhaust gas check valve |
| 11/03/2004 | CN2653248Y Master and slave type exhaust smoke check valve |
| 11/03/2004 | CN2653247Y Self rotary exhaust gas check valve |
| 11/03/2004 | CN2653246Y Check valve |
| 11/03/2004 | CN1542314A 调节阀 Regulating valve |
| 11/03/2004 | CN1541744A Filter apparatus and associated method |
| 11/02/2004 | US6810914 Method and arrangement to accomplish a one-way flow |
| 11/02/2004 | CA2174329C Selectively opened bi-directional cracking valve |
| 10/28/2004 | WO2004092624A2 Vacuum demand flow valve |
| 10/28/2004 | US20040214678 Pressure control valve for hydraulic actuation assembly |
| 10/28/2004 | US20040211468 Non-return valve |
| 10/28/2004 | US20040211085 Fluid system with internal filter |
| 10/28/2004 | US20040211084 Shoe having an inflatable bladder |
| 10/28/2004 | DE10316903A1 Rückflussverhinderer Backflow preventer |
| 10/27/2004 | EP1470847A1 Filter with check valve and assembling method thereof |
| 10/27/2004 | EP1470352A1 Slit-type swabable valve |
| 10/27/2004 | EP1470049A2 Collapsible dispensing system |
| 10/27/2004 | CN1541076A Appts. for preparing beverage suitable for consumption, such as coffee |
| 10/25/2004 | CA2462772A1 Filter apparatus and associated method |
| 10/21/2004 | WO2004090394A1 Backflow preventer |
| 10/21/2004 | WO2004063606A3 Isolation valve with rotatable flange |
| 10/21/2004 | US20040206404 Rotatable ball valve assembly |
| 10/21/2004 | US20040206403 Check valve and a hydraulic continuously variable transmision incorporating same |
| 10/21/2004 | US20040206402 Reciprocating piston pump adjustable inlet ball travel |
| 10/21/2004 | DE29924653U1 Air cylinder with damping mechanism has cylinder tube in which piston slides and two connections for feed and outlet of air under pressure, two pressure chambers being separated by piston |
| 10/20/2004 | EP1339607A4 Vent valve assembly |
| 10/20/2004 | CN2649891Y One-way angle valve with dynamic signal output function |
| 10/19/2004 | US6805336 Self-sealing dispensing valve for humidifier water bottles |
| 10/19/2004 | US6805214 Breather system and straddle-type four wheeled all terrain vehicle comprising breather system |
| 10/19/2004 | US6805157 Structure for fixing check valve |
| 10/19/2004 | CA2345541C Non-return valve |
| 10/14/2004 | US20040202546 Tire pressure holding system, tired wheel and valve unit for use with vehicle and tire |
| 10/14/2004 | US20040200527 Valve for inflatable objects |
| 10/14/2004 | DE10313094A1 Reverse flow blocker has shut-off component which in first end position closes off throughflow passage, in intermediate position allows maximum throughflow, and in second end position maintains minimum value for throughflow |
| 10/13/2004 | EP0830533B1 Valve assembly |
| 10/13/2004 | CN2648206Y Antitheft single-flow valve |
| 10/13/2004 | CN1536254A Ball valve with stopping device |
| 10/13/2004 | CN1535853A Tyre pressure holding system, wheel with tyre, and valve parts for vehicle and tyre |
| 10/12/2004 | US6802791 Pressure control valve for hydraulic actuation assembly |
| 10/12/2004 | US6802331 Particle-based check valve |
| 10/12/2004 | CA2366605C Check valve with oversized bill |
| 10/07/2004 | US20040198150 Valve and retainer for latex balloons |
| 10/07/2004 | US20040194836 Sequencing valve and hydronic system |
| 10/07/2004 | US20040194828 Decoupled check-relief valve |
| 10/07/2004 | DE10311502A1 Einbauteil zum Einsetzen in eine Gas- oder Flüssigkeitsleitung Installation part for insertion in a gas or liquid line |
| 10/07/2004 | DE10311501A1 Einbauteil zum Einsetzen in eine Gas- oder Flüssigkeitsleitung Installation part for insertion in a gas or liquid line |