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