| Patents for F16K 15 - Check valves (18,131) |
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| 03/20/2001 | US6202979 Valve |
| 03/20/2001 | US6202901 Modular microbarrier™ cap delivery system for attachment to the neck of a container |
| 03/20/2001 | US6202766 Relief valve |
| 03/15/2001 | WO2001018436A1 Nested duckbill check valves |
| 03/15/2001 | WO2001018435A1 Duckbilled check valves and methods of making and using same |
| 03/14/2001 | EP1082589A1 Compound water meter |
| 03/14/2001 | EP1082564A1 Retainer insert for a valve having a floating closure member |
| 03/14/2001 | EP1082563A1 High flow valved fitting |
| 03/14/2001 | EP1082240A1 Spray nozzle for a windscreen washing system |
| 03/14/2001 | CN2423461Y Piston-type buffer close check valve |
| 03/14/2001 | CN2423460Y Double-guide-bar type one-way valve |
| 03/14/2001 | CN2423459Y Dismountable check valve used in ketchen and toilet |
| 03/14/2001 | CN1287063A Fixed inflation controller for air valve of tyre |
| 03/13/2001 | US6199827 Expandable lifting devices and valve assemblies for such lifting devices |
| 03/08/2001 | DE19507321C2 Kraftstoff-Zuführeinrichtung für eine Brennkraftmaschine Fuel supply device for an internal combustion engine |
| 03/07/2001 | EP0932782B1 An inflation valve for sacks, bags or the like containers |
| 03/06/2001 | US6197005 Check valve, in particular for use in an implantable artificial bladder |
| 03/06/2001 | US6196815 Scroll-type fluid apparatus in which a discharge valve has a reduced rigidity and uniform distribution of bending stress |
| 03/06/2001 | US6196260 Flow control valve |
| 03/06/2001 | US6196254 Air valve adapter |
| 02/28/2001 | CN2421473Y Flow-regulating float type check valve |
| 02/28/2001 | CN1285899A Diaphragm pump with modified valves |
| 02/27/2001 | US6193364 Ink cartridge for ink jet printer |
| 02/27/2001 | US6192933 Backflow prevention assembly |
| 02/27/2001 | US6192926 Safety valve especially for pneumatic circuits |
| 02/27/2001 | US6192917 Self-sealing valve for balloons or non elastomer articles, obtained by a mass production process |
| 02/21/2001 | EP1077339A2 Reinforced tide gate valve |
| 02/21/2001 | CN1284619A External air valve adapter for vehicle wheel |
| 02/20/2001 | US6189858 Piezoelectric valve |
| 02/20/2001 | US6189554 Flush relief valve having floatable sleeve member |
| 02/20/2001 | US6189161 Toilet for recreational vehicle with vent for the holding tank |
| 02/14/2001 | CN2419437Y Unitary pressure reducing valve set |
| 02/14/2001 | CN2419436Y Aerating valve |
| 02/13/2001 | US6187182 Filter cartridge assembly for a gas purging system |
| 02/08/2001 | DE19933453A1 Reflux check device for under-floor hydrant; has reflux check valve with closure body moving inside casing, with open position limited by solid conical guard and closed position limited by valve seat |
| 02/08/2001 | DE10038146A1 Valve for inflatable mattress has mouthpiece screwed on to inflation tube and sleeve over mouthpiece with lip which fits into groove in it |
| 02/07/2001 | CN2418326Y Spiral-shuttle type non-return valve |
| 02/07/2001 | CN2418325Y Fully-closed back-falling type check valve |
| 02/07/2001 | CN2418324Y Non-return valve for drain-pipe |
| 02/07/2001 | CN2418033Y Improve structure of head of hand-held inflator |
| 02/07/2001 | CN2418032Y Head structure of inflating device capable of automatically matching valve port |
| 02/06/2001 | US6182698 Valve assembly |
| 02/06/2001 | US6182517 Burette tip |
| 02/06/2001 | US6182363 Method of making a poppet valve |
| 01/31/2001 | EP1072792A2 Swash plate compressor |
| 01/31/2001 | EP1071899A1 Self-inflating cushion and valve therefor |
| 01/31/2001 | EP0918965B1 Inflatable device with pressure limiting valve |
| 01/31/2001 | CN2417347Y Inner tube valve needle |
| 01/31/2001 | CN2417346Y Inner elements of check valve |
| 01/31/2001 | CN2417345Y High pressure vertical check valve having guiding disc |
| 01/31/2001 | CN2417344Y Inner pressure sealing and high Pressure passing through type cheek valve |
| 01/31/2001 | CN2417041Y Valve inside of automobile tyre |
| 01/30/2001 | US6180061 Moving platform, plurality of heating stations moving with platform, each heating station adapted to support at least one microscope slide bearing a biological sample and comprising a heating element, and electronic control for heater |
| 01/30/2001 | US6178998 Reverse flow prevention apparatus |
| 01/24/2001 | CN2416308Y Horizontal & vertical two-purpose silient check valve |
| 01/24/2001 | CN2416303Y Duplex one-way ball valve |
| 01/23/2001 | US6176255 Keyed theft resistant valve cap |
| 01/18/2001 | WO2001003504A1 Applicator assembly |
| 01/17/2001 | EP1069354A1 Back-flow preventer |
| 01/17/2001 | EP1068443A2 Pressure valve |
| 01/17/2001 | EP1068405A1 Frost protection device |
| 01/17/2001 | CN2415228Y Two-in-one stop gate valve |
| 01/17/2001 | CN1280658A Duckbill Valve with crescent shaped lips |
| 01/17/2001 | CN1280258A 改良的储压筒流量调节阀 Improvement of the accumulator flow rate control valve cylinder |
| 01/16/2001 | US6173739 Addow's checkvalved FDC |
| 01/13/2001 | CA2314770A1 Back-flow preventer |
| 01/11/2001 | WO2001002760A1 A hydrant valve |
| 01/11/2001 | DE19958572C1 Switched valve plate e.g. for automobile airbag, has rib attached to valve plate deformed by exerted pressure for release from stop edge to allow valve plate to pivot into open position |
| 01/10/2001 | EP1066460A2 Pressure valve |
| 01/10/2001 | CN2414267Y Leakage free microresistance closing-delayed check valve |
| 01/10/2001 | CN2414266Y Clapper type check valve |
| 01/10/2001 | CN2414265Y Automatic water feeder |
| 01/10/2001 | CN1279753A 气门致动器 Valve actuator |
| 01/10/2001 | CN1279370A Counterflow stopper |
| 01/10/2001 | CN1279355A Valve for closed compressor |
| 01/09/2001 | US6170581 Backhead and check valve for down-hole drills |
| 01/09/2001 | US6170513 Inflation nozzle structure of an inflatable envelope |
| 01/06/2001 | CA2310991A1 Swing check valve |
| 01/04/2001 | WO2001001024A1 Check valve structure and micro-pump using it |
| 01/04/2001 | DE19930155A1 Check valve for airbag of motor vehicle's occupant restraint system has connecting hose between first and second chamber of airbag and in which is located fabric inlay dividing connecting hose into flow passage and pressure chamber |
| 01/04/2001 | DE10029656A1 Vorrichtung zur Verhinderung von Rückströmungen Device to prevent backflow |
| 01/03/2001 | EP1065173A1 Container having a perforated bottom with check valves and upwards flow |
| 01/03/2001 | EP1063910A1 Container cap for drink containers, valve body insert provided therefor, and drink containers |
| 01/02/2001 | US6167901 Pilot 3-port transfer valve |
| 12/26/2000 | US6164334 Reed valve retention |
| 12/26/2000 | US6164333 Convection heat trap |
| 12/26/2000 | US6164324 Adjustable quick closing disk check value with flow indicator |
| 12/26/2000 | US6164314 Oversized air valve for use with inflatable devices and method |
| 12/26/2000 | US6164309 Liquid filling device |
| 12/26/2000 | US6164269 Exhaust gas recirculation valve assembly having an integrated check valve |
| 12/21/2000 | WO2000077429A1 A non-return valve |
| 12/21/2000 | DE19927197A1 Return valve for a high pressure pump, e.g. in fuel injection systems, has seal which is pressed into valve seat by helical spring, at least two turns of which are fixed to seal |
| 12/21/2000 | DE10018498A1 Valve structure for swash plate compressor, sets coordinates of profile within range of x coordinates from starting point to valve hole center |
| 12/21/2000 | CA2376415A1 A non-return valve |
| 12/20/2000 | EP0968023A4 Non return slider valve used in respiration systems |
| 12/20/2000 | CN2411399Y Reversible compression release valve |
| 12/20/2000 | CN2411398Y Air inflation needle with valve |
| 12/19/2000 | US6163255 Tire valve and associated tire pressure sending unit |
| 12/19/2000 | US6162027 Fluid driven pump and portioning check valve |
| 12/19/2000 | CA2191955C Ball and seat valve assembly and downhole pump utilizing said valve assembly |