F16K 15 - Check valves - Patents Sitemap

Patents for F16K 15 - Check valves (18,131)
12/2002
12/25/2002	CN2527814Y Short valve inside
12/25/2002	CN2527813Y 液力自动阀 Hydraulic automatic valve
12/25/2002	CN2527812Y Check valve for sealing flue and toilet
12/25/2002	CN1386994A Mechanical-electromagnetic locking mechanism for weight-type hydraulic check butterfly valve
12/25/2002	CN1386993A Check valve for flue
12/25/2002	CN1097167C Improvements to pump body and method for making same
12/24/2002	US6497247 Pressure valve
12/19/2002	WO2002101269A2 Vacuum actuated valve
12/19/2002	WO2002100320A1 Vacuum actuated flow valve
12/19/2002	WO2002100227A1 Apparatus for preparing a beverage suitable for consumption, such as coffee
12/19/2002	US20020192091 Double acting simplex plunger pump with bi-directional valves
12/19/2002	US20020189694 Check valve
12/19/2002	US20020189688 Valve and assembly for axially movable members
12/19/2002	US20020189687 Non-return valve override device
12/19/2002	US20020189685 Vacuum demand flow valve
12/19/2002	US20020189684 Vacuum demand valve
12/19/2002	US20020189683 Vacuum demand flow valve
12/19/2002	US20020189670 Damage resistant break away valve stem
12/19/2002	DE10125276A1 Non-return valve has bush in casing, in which valve stem is mounted, which has longitudinal grooves, so that there are linear contact surfaces between bush and valve stem
12/19/2002	CA2450461A1 Vacuum actuated valve
12/19/2002	CA2450363A1 Vacuum actuated flow valve
12/18/2002	EP1266160A1 Water meter fixtures
12/18/2002	CN2526632Y Check valve for preventing kitchen fume and toilet odour from returning
12/18/2002	CN2526311Y Non-return valve of pneumatic gun for continuously supplying oil
12/17/2002	US6494864 Inner lumen anti-free flow device
12/12/2002	WO2002099322A1 Fluid flow control valve
12/12/2002	WO2002099321A2 Control valve
12/12/2002	US20020187866 Self-contained sport ball inflation mechanism
12/12/2002	DE10126633A1 Respiration valve has inlet and outlet, breathing opening, movable valve body, overflow duct, discharge duct and second opening
12/12/2002	CA2449692A1 Control valve
12/11/2002	CN1384304A 阀机构 Valve mechanism
12/11/2002	CN1384303A Non-return valve
12/11/2002	CN1384286A Valve assembly of reciprocating compressor
12/11/2002	CN1095967C Structure of choke valve
12/11/2002	CN1095960C Heavy equiopment control valv with variable feedback function
12/10/2002	US6491595 Method of manufacturing a sport ball having a self-contained inflation mechanism
12/05/2002	US20020179163 Pump valve
12/05/2002	US20020179154 Fluid flow control valve
12/05/2002	US20020179153 Fluid flow control valve
12/04/2002	EP0988168B1 Non-return valve for fuel tank
12/04/2002	CN2524030Y One-way valve on beer barrel
12/04/2002	CN2524029Y Stop valve with automatic air compensation
12/04/2002	CN2524023Y Three in one solenoid valve
12/04/2002	CN2523953Y Flying and water entering protector for steam turbine
12/03/2002	US6488258 Releasable check valve for very high system pressures
12/03/2002	US6488049 Super sensitive, full flow, adjustable pressure valve
11/2002
11/28/2002	WO2002081934A9 Pneumatic valve interface for use in microfluidic structures
11/28/2002	US20020174892 Valve means
11/27/2002	CN2522695Y Sealing valve of cooking fume exhauster
11/27/2002	CN1381684A MIniature one-way check ring
11/26/2002	US6484823 Rock drill bit and a check valve therefor
11/21/2002	WO2002093049A1 Arrangement in valve device, where the valve body is provided with radial projecting connection pins engaged with annular piston means which displaces the valve body
11/21/2002	WO2002059485B1 Gas lift valve with central body ventury for controlling the flow of injection gas in oil wells producing by continuous gas lift
11/21/2002	US20020172622 Microfluidic device for concentrating particles in a concentrating solution
11/21/2002	US20020170981 Method and apparatus for cleaning a surface
11/21/2002	US20020170603 Damped valve
11/21/2002	US20020170602 Pressure equalizing check valve
11/20/2002	EP0774992B1 Multi-function check valve
11/20/2002	CN2521459Y Heavy hammer type fluid control non-return butterfly valve
11/20/2002	CN2521458Y Double-directional protection valve for water heater
11/20/2002	CN1380201A Valve joint
11/20/2002	CN1380200A Valve joint
11/20/2002	CN1380199A Valve joint
11/19/2002	US6482181 Trocar seal system
11/19/2002	US6481464 Check valve
11/14/2002	US20020168278 Valves and pumps for microfluidic systems and method for making microfluidic systems
11/13/2002	CN2520442Y Single-flow check valve with double-layer valve core
11/13/2002	CN1379183A Circular disk valve of piston type compressor
11/12/2002	US6478047 Backflow prevention apparatus
11/07/2002	WO2002088580A1 Improved valve
11/07/2002	US20020165502 Valve for use with a catheter
11/07/2002	US20020164257 Shoe with inflatable bladder and secure deflation valve
11/07/2002	US20020162595 Check valve
11/06/2002	EP1255065A1 Valve
11/06/2002	EP1232351A4 Unitized spherical profile check valve with replaceable sealing element
11/06/2002	EP0983155B1 Pneumatic spring system
11/05/2002	EP1130987A4 Drink valve
11/03/2002	CA2378271A1 Valve means
10/2002
10/31/2002	US20020160518 For rapidly increasing sedimentation within microfluidic channels; blood cells or beads are separated from a carrier fluid using gravity combined with various devices such as membranes and sonic energy
10/31/2002	US20020159920 Multiple redundant microfluidic structures cross reference to related applications
10/31/2002	US20020159903 Check valve
10/31/2002	US20020157717 Valve assembly of a reciprocal compressor
10/31/2002	US20020157710 Backflow prevention assembly
10/31/2002	US20020157707 Pressure cutoff valve
10/30/2002	CN2519080Y Inflation valve
10/30/2002	CN2519079Y Energy-storage fluid automatic controlling valve
10/30/2002	CN2519078Y Self-controlled slow-closing butterfly-type check valve
10/29/2002	US6470911 Check valve and fuel tank with check valve attached thereto
10/29/2002	US6470909 Hydraulic system
10/29/2002	US6470904 Normally closed in-channel micro check valve
10/24/2002	US20020153048 Fluid bearing mechanism
10/24/2002	DE10115588A1 Rückflußverhinderer Backflow preventer
10/23/2002	EP1251279A2 Damped valve
10/23/2002	EP1251049A2 Pressurized-gas supply unit
10/23/2002	EP1000227B1 Gasket
10/23/2002	CN2517935Y 快速充气安全阀 Quick inflatable safety valve
10/23/2002	CN2517934Y Intelligence water-seal stop valve
10/23/2002	CN2517933Y Energy elimination check valve
10/23/2002	CN2517932Y One-way steering exhauster for fume duct of house
10/23/2002	CN2517931Y Diversion check exhaust valve

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