| Patents for F16K 15 - Check valves (18,131) |
|---|
| 06/12/2001 | US6244474 Interchangeable liquid dispensing cartridge pump |
| 06/12/2001 | US6244295 Non-return valve, especially for a piston pump |
| 06/07/2001 | WO2001040652A1 Fluid device with bellows |
| 06/07/2001 | WO2001040586A1 Backflow prevention assembly |
| 06/07/2001 | US20010002701 Pin valve with removable body cover |
| 06/07/2001 | US20010002597 Fire department connection |
| 06/07/2001 | DE19958606A1 Ball valve comprises housing with valve seat which has circular bore and ball of larger diameter than bore which is biased against edge of bore by spring and fits closely against it when valve is closed |
| 06/07/2001 | CA2393554A1 Backflow prevention assembly |
| 06/06/2001 | EP1104860A2 Switchable pivoting valve |
| 06/06/2001 | EP1104521A1 Fluidic connector |
| 06/06/2001 | CN2433483Y Non-return safety valve for blower |
| 06/06/2001 | CN2433482Y Multifunction check valve |
| 06/06/2001 | CN1298318A Chelate-foming filter, process for producing the same, and method of purifying liquid with the filter |
| 06/05/2001 | US6241890 Apparatus comprising means for moving sealed collection vials in and out of position, penetrating means positioned to penetrate seal of plurality of collection vials in series with restrictor capillary tube so fluid may enter vial |
| 06/05/2001 | US6241211 Plate valve |
| 06/05/2001 | US6240962 Parylene micro check valve and fabrication method thereof |
| 06/05/2001 | US6240957 Backward flow prevention valve |
| 06/05/2001 | US6240951 Inflation system and valve for use therein |
| 05/31/2001 | WO2001038150A1 Device for setting gas pressure levels |
| 05/31/2001 | DE10058160A1 Non-return valve for flow media has a valve member as a ball cup fitting into a recessed valve seat under spring pressure with openings in the member to give a low mass in a small valve with high switch frequencies |
| 05/30/2001 | EP1103748A2 Inflation valve |
| 05/30/2001 | EP1102933A2 Fluid driven pump and portioning check valve |
| 05/30/2001 | CN2432408Y Non-return valve |
| 05/29/2001 | US6237893 High pressure aerator valve |
| 05/29/2001 | US6237704 Backhead and check valve for down-hole drills |
| 05/29/2001 | US6237625 Dual plate check valve |
| 05/29/2001 | US6237621 Valve for inflatable objects |
| 05/25/2001 | WO2001036850A1 Ball valve with non-return valve |
| 05/25/2001 | WO2001035801A2 Improved valve arrangement for an automatically sealing cup |
| 05/25/2001 | CA2391040A1 Improved valve arrangement for an automatically sealing cup |
| 05/23/2001 | EP1101984A2 Check valve |
| 05/23/2001 | EP1101975A2 Pressure relief valve and dual path vent disc for hydraulic tensioner. |
| 05/23/2001 | EP1101680A1 Electromagnetic valve with non-return valve |
| 05/23/2001 | EP1100609A1 Filter cartridge assembly |
| 05/23/2001 | DE19955888A1 Magnetic valve for slip-free hydraulic braking system for car comprises main valve and check valve with rigid valve body and tapering hollow valve seat, valve body being fitted with elastomeric sealing ring |
| 05/23/2001 | DE19955884A1 Magnetventil mit einem Rückschlagventil Solenoid valve with a check valve |
| 05/23/2001 | CN2431456Y Valve plate resistance-reducing hydraulic controller |
| 05/23/2001 | CN2431455Y Closing valve for ventilation air-conditioner |
| 05/23/2001 | CN2431454Y Soft sealed single-flow valve |
| 05/23/2001 | CN1296557A Self-inflating cushion and valve therefor |
| 05/22/2001 | US6234194 Valve |
| 05/17/2001 | WO2001035009A1 Check valve |
| 05/17/2001 | WO2001035008A2 Valve, especially a return flow blocking valve |
| 05/17/2001 | WO2001034307A1 Fast rate pump |
| 05/16/2001 | EP1099456A1 Check valve for medical infusion lines and the like |
| 05/16/2001 | EP1099455A2 Check valve for medical infusion lines and the like |
| 05/16/2001 | EP0721403B1 Pressure indicating tyre inflation valve |
| 05/16/2001 | CN2430593Y New type air valve |
| 05/16/2001 | CN2430592Y Automatic air compensation check multiple valve |
| 05/16/2001 | CN2430591Y Adsorption purifying electric check butterfly valve |
| 05/16/2001 | CN2430590Y One way throttle valve device |
| 05/15/2001 | US6231539 Backflow prevention structure and a backflow prevention unit for a liquid medicine injection device |
| 05/15/2001 | US6230734 Flow-rate controller |
| 05/15/2001 | CA2228090C Tubular refrigerant check valve with indented outer housing portion |
| 05/15/2001 | CA2058427C Butterfly valve apparatus and method |
| 05/10/2001 | WO2001033123A1 Delivery valve device for fluid compressor |
| 05/10/2001 | DE10055381A1 Steering damper for hydraulic servo steering system, with at least one steering damper in hydraulic line |
| 05/10/2001 | DE10045122A1 Non-return valve for preventing the back flow of gas into an acetylene bottle or a bundle of acetylene bottles has a housing and a closing element moving in a plunger chamber |
| 05/09/2001 | CN2429702Y Quick action disphragm style mud valve |
| 05/09/2001 | CN2429701Y Stop valve with declined surface and two gates |
| 05/08/2001 | US6227825 Two part reed valve and method of manufacturing |
| 05/08/2001 | US6227240 Unitized spherical profile check valve with replaceable sealing element |
| 05/08/2001 | US6227219 Flush relief valve having improved vacuum breaker |
| 05/03/2001 | DE19904462C2 Gasflasche Gas bottle |
| 05/02/2001 | CN2428652Y High-low pressure combined non-return valve |
| 05/02/2001 | CN2428651Y Tough-increased porcelain non-return valve |
| 05/01/2001 | US6223765 Casing construction for fuel dispensing systems |
| 05/01/2001 | CA2228964C Tubular refrigerant check valve with snap-together internal valve cage structure |
| 04/26/2001 | WO2001029461A1 Flow controller for a pool cleaner |
| 04/26/2001 | DE10041431A1 Kompressorventilanordnung Compressor valve assembly |
| 04/25/2001 | EP1093555A1 Check valve |
| 04/25/2001 | EP1093403A1 Fluid flow apparatus |
| 04/25/2001 | CN2427686Y Shutoff valve used for water meter |
| 04/24/2001 | US6220282 Backflow prevention apparatus |
| 04/24/2001 | CA2069894C Valve equipped with a position detector and a micropump incorporating said valve |
| 04/19/2001 | WO2001027507A1 Unitized spherical profile check valve with replaceable sealing element |
| 04/19/2001 | WO2001026751A1 Device for inflating or deflating bodies |
| 04/19/2001 | DE19929789C1 Behälter mit einem von unten durchströmbaren, Rückschlagklappen aufweisenden Lochboden Container with a flow-through from below, check valves having perforated bottom |
| 04/18/2001 | CN2426937Y 单向阀 Check valve |
| 04/17/2001 | US6216729 Bidirectional check valve for hydraulic system |
| 04/12/2001 | WO2001025657A1 Automatically operating tubular diaphragm valve |
| 04/11/2001 | EP1090668A1 Chelate-forming filter, process for producing the same, and method of purifying liquid with the filter |
| 04/11/2001 | EP1090657A2 Valve apparatus and valve system using thereof |
| 04/11/2001 | CN2426550Y Auto-control valve for deep well pump |
| 04/11/2001 | CN2426549Y Auto-control valve for supercharging pump |
| 04/11/2001 | CN1064318C Safety device |
| 04/04/2001 | CN1064118C 球阀 Ball |
| 04/03/2001 | US6209761 Pump with air intake |
| 04/03/2001 | US6209571 Process gas supply unit |
| 03/29/2001 | WO2001022185A1 Automatic valve for the stabilization of a thermostatic mixing device |
| 03/29/2001 | WO2001021988A1 A normally closed in-channel micro check valve |
| 03/29/2001 | WO2001021987A1 Disk check valve with flow indicator |
| 03/29/2001 | DE10036248A1 Blocking/non-return valve system has sensor that determines piston position and controller that controls actuator so that it moves valve pin depending on sensed piston position |
| 03/29/2001 | DE10035391A1 Rückschlagventilzusammenbau mit Filter Check valve assembly with filter |
| 03/28/2001 | EP1086006A1 Spray nozzle for a windscreen washer system |
| 03/27/2001 | US6206245 Pump with a delivery valve including a ball |
| 03/27/2001 | US6206032 High pressure check valve fittings |
| 03/27/2001 | CA2032567C Multiply configurable backflow preventer |
| 03/22/2001 | DE10040398A1 Non return valve for various applications consists entirely of a plastic material, with the spring element and the valve body produced as a single component |
| 03/21/2001 | CN1288509A Tank Transport pressure relief valve assembly |