| Patents for F16K 15 - Check valves (18,131) |
|---|
| 09/22/1992 | US5149546 Check valve for a fluid-assisted plastic injection molding apparatus |
| 09/22/1992 | US5148828 Check valve assembly |
| 09/17/1992 | WO1992015808A1 Butterfly-type check valve |
| 09/16/1992 | EP0287564B1 A valve component for a frictionless guided valve |
| 09/16/1992 | CN2116134U Double-safety valve inside |
| 09/16/1992 | CN2116133U New-safety tyre valve inside |
| 09/16/1992 | CN2116132U Non-return wash-out valve |
| 09/16/1992 | CN1064532A Non-stop gate back valve |
| 09/15/1992 | US5146949 Check valve with spring loaded clapper assembly |
| 09/15/1992 | CA1307442C One-way valve |
| 09/10/1992 | DE4106839A1 Post injection valve for forming pressure anchor in rock - comprises metal or polyethylene tube with valve orifices in wall covered by several windings of self-adhesive bandage |
| 09/09/1992 | CN1064341A Valve assemble, for use in conbination with straght-cylinder, gas-compression chamber, and in combination there with |
| 09/08/1992 | US5144986 One way flow device |
| 09/08/1992 | US5144708 Check valve for fluid bladders |
| 09/01/1992 | US5143117 Break away check valve |
| 09/01/1992 | US5143113 Top-entry check valve with cartridge secured by projections |
| 09/01/1992 | US5143112 Top-entry check valve with cartridge secured by threaded projections |
| 08/26/1992 | EP0500421A1 Control valve with an obstructing membrane deformable in the direction of the flow |
| 08/25/1992 | US5141029 Variable orifice device |
| 08/25/1992 | US5141025 Check valve |
| 08/25/1992 | US5140815 Valve apparatus |
| 08/22/1992 | WO1992014888A1 Waste valve fittings |
| 08/22/1992 | CA2104235A1 Waste valve fittings |
| 08/19/1992 | EP0498863A1 A valve equipped with a position detector and a micropump incorporating said valve. |
| 08/19/1992 | CN2113393U Rubber valve inside |
| 08/19/1992 | CN2113392U Dual-purpose valve for inlet air and limiting pressure |
| 08/19/1992 | CN2113391U Air valve needle |
| 08/18/1992 | US5139047 Miniature check valve construction |
| 08/12/1992 | EP0498275A1 A pump dispenser and a primary valve thereof |
| 08/12/1992 | EP0189477B1 Pressure regulation system |
| 08/12/1992 | CN2112737U Straight moving one-way valve |
| 08/06/1992 | WO1992014081A1 N-shaped backflow preventor |
| 08/05/1992 | EP0497569A1 Check valve assembly |
| 08/05/1992 | CN2112050U Valve inside of one-way air valve |
| 08/04/1992 | US5135025 Articulated oral inflation valve |
| 07/31/1992 | CA2035290A1 Check-relief valve for a hydraulic circuit |
| 07/29/1992 | EP0496604A2 Check valves |
| 07/28/1992 | US5133324 Ejector pump for vehicle fuel tank |
| 07/23/1992 | WO1992012371A1 Non-return valve |
| 07/22/1992 | CN2110762U Air valve for tyre |
| 07/22/1992 | CN2110761U Adjustable flow rotary check valve |
| 07/21/1992 | US5132014 Pressure vessel; cartridge with sealing plug |
| 07/16/1992 | DE4100591A1 Return valve for metering pump - has two housing halves with designed location for seal at interface |
| 07/15/1992 | EP0389505B1 Exhaust air disposal installation for adhesive installations |
| 07/15/1992 | CN2110123U Non-block slow close check valve |
| 07/14/1992 | US5129426 Tube mounted check valve |
| 07/09/1992 | WO1992011483A1 Variable orifice devices |
| 07/08/1992 | EP0493771A1 Check valve |
| 07/07/1992 | US5127627 Valve for an inflatable article |
| 07/01/1992 | EP0492363A1 Suction and/or exhaust valve for a metering or spray pump for liquids, products with low viscosity and pasty products |
| 07/01/1992 | CN2108832U Valve of tyre |
| 07/01/1992 | CN2108831U Check valve capable of automatic drainage flow and preventing sand plug |
| 07/01/1992 | CN2108830U Check valve without pressure loss |
| 06/26/1992 | WO1992011480A1 One-way fluid flow non-return valve |
| 06/25/1992 | WO1992010232A1 Nonreturn valve, in particular for medical infusion appliances |
| 06/24/1992 | EP0491027A1 Safety cut-out. |
| 06/24/1992 | EP0491026A1 Valve and micropump incorporating said valve. |
| 06/24/1992 | CN1017181B Bidirectional stable pressure valve |
| 06/22/1992 | WO1992011495A1 A solar energy collector |
| 06/22/1992 | CA2058373A1 Suction and/or discharge valve for a metering and spray pump for dispensing liquid, low-viscosity and pasty substances |
| 06/17/1992 | DE4039814A1 Rueckschlagventil, insbesondere fuer medizinische infusionsgeraete Return valve, in particular for medical infusion geraete |
| 06/16/1992 | US5121840 Inflatable body with a valve |
| 06/11/1992 | DE4133750A1 Compartmentalised bulk tanker vehicle |
| 06/09/1992 | US5119858 Valve |
| 06/09/1992 | US5119842 Nozzle for inflatable objects |
| 06/09/1992 | CA1303091C Multiple fluid path junction device |
| 06/03/1992 | EP0488607A1 Cyclone trickle valve assembly |
| 06/03/1992 | CN2106281U Automatic capturing valve inside |
| 06/03/1992 | CN2106280U Valve of tyre |
| 06/03/1992 | CN1016893B Refrigeration system with integral check valve |
| 06/02/1992 | US5117999 Low pressure relief valve for fixed and movable systems |
| 06/02/1992 | US5117950 Hydraulic shock absorber controller for a wheel crane |
| 06/02/1992 | US5117871 Flap valve |
| 06/02/1992 | US5117862 Back water trap |
| 06/02/1992 | US5117861 Ball and seat-type valve for downhole rod pump |
| 06/02/1992 | US5117860 Check valve |
| 06/02/1992 | US5117738 Check valve and booster shell |
| 05/27/1992 | CN2105602U Miniature single way valve for air compression engine |
| 05/26/1992 | US5116564 Method of producing a closing member having flexible closing elements, especially a heart valve |
| 05/20/1992 | CN2104982U Spring valve needle of tyre |
| 05/19/1992 | US5113910 Butterfly valve with biased area reduction means |
| 05/19/1992 | US5113900 Check valve with quick lock attachment feature |
| 05/19/1992 | US5113899 Check valve with valve opening device |
| 05/13/1992 | EP0445122A4 Combined alarm and back-flow prevention arrangement for fire suppression sprinkler system |
| 05/13/1992 | CN2104361U 扑板式液压抽汽逆止阀 Hydraulic fluid extraction check valve flutter |
| 05/13/1992 | CN2104359U 可计时关闭的无泄漏节水阀门 Timing can be no leakage of water-saving valve closed |
| 05/12/1992 | US5112567 Device for shutting off a vertical conduit for supporting and guiding an element of elongate shape |
| 05/12/1992 | CA1300468C Exhalation valve |
| 05/06/1992 | CN2103708U Compression relief type energy-saving check valve |
| 05/06/1992 | CN2103707U Omnibearing check valve |
| 05/06/1992 | CN1060902A Back-pressure angle-changeable welded check valve |
| 05/05/1992 | US5110272 Valve unit for a reciprocating compressor for refrigerators and the like |
| 04/29/1992 | EP0482023A1 Molded nosecup valve assembly. |
| 04/29/1992 | CN2103065U Security air faucet |
| 04/29/1992 | CN2103054U Compound valve |
| 04/28/1992 | US5108266 Check valve with aspirating function |
| 04/28/1992 | US5107891 Safety device for gas welding |
| 04/28/1992 | US5107890 Ball check valve |
| 04/28/1992 | US5107888 N-shaped backflow preventor |
| 04/28/1992 | US5107885 Check valve |