| Patents for F16K 15 - Check valves (18,131) |
|---|
| 08/24/2004 | US6779552 Domestic hot water distribution and resource conservation system |
| 08/24/2004 | US6779549 In-line vacuum breaker |
| 08/19/2004 | WO2004070125A1 Improved mains pressure flusher valve |
| 08/19/2004 | WO2004013523A3 Valve |
| 08/19/2004 | US20040159674 Nozzle of fluid container and fluid container having the nozzle |
| 08/19/2004 | US20040159355 Valve for winterizing a pool |
| 08/19/2004 | US20040159350 Inflation valve for an inflatable article |
| 08/18/2004 | EP1447602A1 Oil flow control valve for a cam phaser |
| 08/18/2004 | EP1447485A2 Draining device |
| 08/18/2004 | EP1446197A1 Filtering face mask that uses an exhalation valve that has a multilayered flexible flap |
| 08/18/2004 | EP1350029A4 Valves and pumps for microfluidic systems and method for making microfluidic systems |
| 08/18/2004 | EP1315657B1 Self-sealing valve |
| 08/18/2004 | EP1015049B1 Trocar seal system |
| 08/18/2004 | CN2634222Y Anti-type explosion air valve inside |
| 08/18/2004 | CN1162763C Counterflow stopper |
| 08/17/2004 | US6776307 Nozzle of fluid container and fluid container having the nozzle |
| 08/12/2004 | WO2004067965A1 Valve structure and positive displacement pump using the valve structure |
| 08/12/2004 | US20040154666 Combined check/pressure control valve |
| 08/12/2004 | DE10159916A1 Gas connection for system for handling gases, especially liquid gases or liquid ammonia, has valve system with two valves that can be coupled and filter element for binding gases that occur |
| 08/11/2004 | EP1445521A1 Membrane valve and second pressure reducing stage for two-stage regulators for underwater use provided with said valve |
| 08/11/2004 | EP1444406A1 Integratable sanitary part |
| 08/11/2004 | CN2632437Y Air filling and discharging valves |
| 08/11/2004 | CN2632436Y Exhaust check valves |
| 08/11/2004 | CN2632435Y Hemispheric anti-backflow one-way valves |
| 08/11/2004 | CN1520497A Check valve floor drain |
| 08/10/2004 | US6772842 Curved flapper valve |
| 08/10/2004 | US6772812 Dual-function tire inlet valve |
| 08/10/2004 | US6772792 Compressor valve assembly |
| 08/05/2004 | WO2004065790A1 Annular plate valve for piston compressors |
| 08/05/2004 | WO2004064578A1 Valve assembly |
| 08/05/2004 | US20040149649 Faster operation; thicker filter cakes; slurry organic type sludge with high bacteria levels; reduced maintenance |
| 08/05/2004 | US20040149337 Unidirectional valves and methods of their use |
| 08/05/2004 | DE10302368A1 Filling valve is in form of cartridge valve with bush accommodating valve cone and with waisting in which opens out radial working port, and waisting has inclined face on lower shoulder |
| 08/04/2004 | EP1442219A1 Discharge valve and compressor using the same |
| 08/04/2004 | CN2630597Y Non-return valve of water pipeline |
| 08/04/2004 | CN1518650A 呼吸器阀 Breathing valve |
| 08/04/2004 | CN1518649A Reciprocating piston pump adjustable inlet ball travel |
| 07/29/2004 | WO2004063606A2 Isolation valve with rotatable flange |
| 07/29/2004 | WO2004063087A1 Keg filling and dispensing system with valve assembly fitted from exterior |
| 07/29/2004 | US20040144938 Pressure compensated pilot operated check valve |
| 07/29/2004 | US20040144435 Check valve |
| 07/29/2004 | DE20304172U1 Insert component acting as return flow blocker has housing in at least two sections with feed channels running into chamber, and with seal between facing sides of adjacent housing sections and connected in one piece to annular membrane |
| 07/29/2004 | DE20304170U1 Insert component constructed as return flow blocker has annular lip-form component retained inside housing by annular component and in region of throughflow opening has sealing lip movable by fluid and acting as shut-off element |
| 07/29/2004 | DE202004004609U1 Druckbegrenzungsventil Pressure relief valve |
| 07/29/2004 | CA2762222A1 Isolation valve with rotatable flange |
| 07/28/2004 | EP1090668B1 Chelate-forming filter, process for producing the same |
| 07/28/2004 | CN2628825Y Single-way inflating needle |
| 07/28/2004 | CN2628824Y Improvement of non-return valve |
| 07/27/2004 | US6767340 Sealing valve assembly for medical products |
| 07/27/2004 | US6767194 Valves and pumps for microfluidic systems and method for making microfluidic systems |
| 07/27/2004 | US6766824 Fluid control valve and a feedback control system therefor |
| 07/27/2004 | US6766823 Valve apparatus for hermetic compressor |
| 07/27/2004 | US6766816 Collapsible dispensing system |
| 07/22/2004 | WO2002070933A3 Aerating valve and system for closed drinking vessels |
| 07/22/2004 | DE19744040B4 Scheibenreinigungseinrichtung Disk cleaner |
| 07/22/2004 | DE10259884A1 Ventil Valve |
| 07/21/2004 | CN2627308Y Hydraulic non-return equipment |
| 07/21/2004 | CN2627307Y Hand-operated check valve for smoke exhaust ventilator |
| 07/21/2004 | CN2627306Y One-way wound valve |
| 07/21/2004 | CN2627305Y Non-return flap valve |
| 07/21/2004 | CN2627304Y One-way valve |
| 07/21/2004 | CN2627303Y Antifouling closing valve |
| 07/21/2004 | CN1158500C Bidirectional variable flow rate liquid separator |
| 07/20/2004 | US6764064 Fluid dispensing and storage system with a drink valve |
| 07/15/2004 | WO2004059198A1 Fluid control valve |
| 07/15/2004 | WO2004035210A3 Multiple well device |
| 07/15/2004 | WO2004025154A9 Combination inflation and relief valve |
| 07/15/2004 | US20040134540 Check valve |
| 07/15/2004 | US20040134538 Check valve for micro electro mechanical structure devices |
| 07/15/2004 | US20040134537 Double check valve assembly |
| 07/15/2004 | US20040134487 Methods and devices for use in performing pulmonary procedures |
| 07/15/2004 | DE10301228B3 Water check valve for a whirlpool bath comprises a sealing device having two independent sealing bodies, which move in a hollow chamber, and associated sealing seats |
| 07/14/2004 | EP1437540A2 Activation pin |
| 07/14/2004 | CN2625679Y Smoke exhaust ventilator capable of decreasing vane binding power |
| 07/14/2004 | CN1511765A Degassing valve and degassing bag and method for producing degassing bag |
| 07/08/2004 | US20040129913 Isolation valve with rotatable flange |
| 07/08/2004 | US20040129517 Bottom valve apparatus of hydraulic shock absorber |
| 07/08/2004 | US20040129311 Combined connector-pneumatic coupler-locking inflate/deflate valve series |
| 07/08/2004 | DE10261415B3 Press matching device for fuel injection system for automobile IC engine has passive valve module provided with leakage opening opened upon loss of fuel flow and closed upon high fuel flowrate |
| 07/08/2004 | DE10257518A1 Sanitäres Einbauteil Sanitary fitting |
| 07/08/2004 | DE10257517A1 Rückflußverhinderer Backflow preventer |
| 07/07/2004 | CN2623997Y Tire inflation coupler |
| 07/07/2004 | CN2623996Y Novel unidirectional evacuation valve |
| 07/07/2004 | CN2623981Y Non-return filtering stop valve |
| 07/07/2004 | CN2623980Y Non-return Stop valve |
| 07/06/2004 | US6758371 Fast rate pump |
| 07/06/2004 | US6758364 Container cap for drinking containers having a valve body insert with a deformable sealing lip |
| 07/06/2004 | US6758236 Self-acting valve |
| 07/01/2004 | WO2004055338A1 Fluid flow actuated flapper valve |
| 07/01/2004 | US20040124289 Nozzle cap for sealing nozzle particularly used to charge with high pressurized fluid |
| 07/01/2004 | US20040123901 Fluid control apparatus |
| 07/01/2004 | US20040123900 Combination inflation and relief valve |
| 06/30/2004 | CN2622588Y Anti-leakage device of cook hood |
| 06/30/2004 | CN2622586Y Reverse flow preventing device for cooking fume exhauster capable of preventing fume back flow from support horizontal beam |
| 06/30/2004 | CN2622585Y Reverse flow preventing device for cooking fume exhauster capable of preventing fume back flow from support horizontal beam |
| 06/30/2004 | CN2622505Y Automatic check and bacterial suppressing valve for sewage |
| 06/30/2004 | CN2622504Y One-way valve for vacuum system |
| 06/30/2004 | CN2622503Y Screw coupled ball type check valve |
| 06/30/2004 | CN2621958Y Tyre safety valve of motor vehicle |
| 06/29/2004 | US6755208 Valve for inflatable objects |