| Patents for F16K 15 - Check valves (18,131) |
|---|
| 11/07/2001 | CN2458468Y Movable valve inside type motorcycle tyre inflating valve |
| 11/07/2001 | CN2458467Y Check valve plate with counterweight rod |
| 11/07/2001 | CN2458466Y Quick liquid filling pipe |
| 11/07/2001 | CN2458465Y Quick liquid filling pipe |
| 11/01/2001 | WO2001081844A1 A vacuum-breaking valve for refrigeration appliances |
| 11/01/2001 | WO2001081803A1 Nonreturn valve |
| 11/01/2001 | WO2001035008A3 Valve, especially a return flow blocking valve |
| 11/01/2001 | US20010035638 Switchable flap valve |
| 11/01/2001 | US20010035222 Assembly of extruded or moulded parts |
| 10/31/2001 | EP0894215B1 Valve for liquids |
| 10/31/2001 | DE10020490A1 Non-return valve, especially in motor vehicle heating system, has tubular sleeve housing inserted into, held in hydraulic system line or connector or whose diameter matches line/connector |
| 10/31/2001 | CN2457416Y Spool down press type tyre valve inside |
| 10/25/2001 | WO2001079653A1 A rock drill bit and a check valve |
| 10/25/2001 | US20010034279 Avoidance of resonance in the inflatable sport ball by limiting the critical ratio |
| 10/25/2001 | US20010032949 Coupling for a fluid delivery pipe |
| 10/25/2001 | US20010032676 Reed valve for engine |
| 10/25/2001 | DE10019534A1 Check valve has filter element located inside housing in region of fluid outlet, and in region of opening has encompassing, radially outwards pointing flange form-fitting on encompassing protrusion inside housing |
| 10/25/2001 | DE10017964A1 Nonreturn valve for control of fluid flow in a straight section of a flow channel forming part of dental equipment comprises a closure element with a membrane like face section |
| 10/24/2001 | EP1148282A2 Ring valve |
| 10/24/2001 | EP1000246B1 Improvement to a pump body and method for making same |
| 10/24/2001 | CN1319031A Filter cartridge assembly |
| 10/24/2001 | CN1318336A Improved elastic valve for overflow-proof absorbing device |
| 10/23/2001 | US6305917 Pump consisting of a mechanism transmitting to a tubular circuit system periodic rotational inertial forces developing in the liquid contained therein continuous pressure and flow |
| 10/23/2001 | US6305420 Head gasket with a check valve |
| 10/23/2001 | US6305411 Normally-open backwater valve |
| 10/23/2001 | US6305081 Installing and servicing an HVAC system |
| 10/23/2001 | CA2098379C Solar energy collector |
| 10/18/2001 | CA2441646A1 Valve for bathtub design with therapeutical treatment devices |
| 10/17/2001 | EP1144890A2 Parylene micro check valve and fabrication method thereof |
| 10/16/2001 | US6302338 Drip irrigation lines |
| 10/16/2001 | US6302138 Pressure regulating tire valve and core |
| 10/11/2001 | US20010027863 Heat exchanger with safety valve |
| 10/11/2001 | DE10016053A1 Valve for drinking cup comprises valve body which closes either inlet or outlet in spout and is biased towards closed position by spring mounted above it |
| 10/11/2001 | DE10015576A1 Valve arrangement for internal combustion engine of vehicle has second valve which is set coaxial with first pressure and opens to direction opposite feed direction if outlet pressure is more than feed pressure |
| 10/10/2001 | EP0983175B1 Non-return valve and hydraulic anti-slip vehicle braking system with a non-return valve |
| 10/10/2001 | EP0746712B1 Selectively opened bi-directional cracking valve |
| 10/10/2001 | CN2453204Y Open-close valve for sprayer |
| 10/09/2001 | US6299417 Back pressure structure of intermediate pressure of scroll compressor |
| 10/09/2001 | US6298873 Two-way check valve |
| 10/04/2001 | US20010025629 Valve arrangement in a feed line to deliver fuel from a tank to an internal combustion engine |
| 10/04/2001 | EP1137892A1 Pressure regulating tire valve and core |
| 10/04/2001 | EP1137883A1 Ferroelectric fluid flow control valve |
| 10/03/2001 | CN2451848Y Combined valve block one-way valve |
| 10/03/2001 | CN1316042A Non-return valve |
| 10/03/2001 | CN1072172C Automatic drainage device for goods container |
| 10/02/2001 | US6296769 Multi-chambered supercritical fluid extraction cartridge and processes using it |
| 10/02/2001 | US6296091 Suspension control unit and control valve |
| 10/02/2001 | US6296015 Speed controller with pilot check valve |
| 10/02/2001 | US6296014 Check valve and fuel tank with check valve attached thereto |
| 10/02/2001 | US6296010 Automatic shut-off air pressure valve for tires |
| 09/27/2001 | WO2001070308A1 Catheter introducer assembly with dual hemostatic valve |
| 09/27/2001 | US20010023712 Valve assembly with check valve for gas cylinder |
| 09/27/2001 | US20010023707 Backwater valve |
| 09/27/2001 | US20010023706 Backflow valve |
| 09/27/2001 | US20010023705 Backflow valve for an end of a pipe |
| 09/27/2001 | DE10014191A1 Non-return valve has upper housing with cavity containing hemispherical valve body and spring which biases it towards closed position connected to valve seat by socket with central aperture which fits over projection on its upper surface |
| 09/26/2001 | EP1135614A1 Releasable check valve for very high system pressures |
| 09/26/2001 | EP1135241A2 A cartridge for contamination-free dispensing and delivery systems |
| 09/26/2001 | EP0941437B1 Non-leaking, non-venting liquid filled canister quick disconnect system |
| 09/26/2001 | CN2450476Y Slowly-closing noiseless check valve |
| 09/26/2001 | CN2450475Y Electromagnetic check valve |
| 09/26/2001 | CN2450474Y Full-automatically opening-closing valve |
| 09/26/2001 | CN2450473Y Fast-opening, slowly-closing silencing check valve |
| 09/26/2001 | CN2450463Y Combined inflating valve |
| 09/25/2001 | US6294088 Apparatus and method for supercritical fluid extraction or supercritical fluid chromatography |
| 09/25/2001 | US6293307 Valve assembly with check valve for gas cylinder |
| 09/25/2001 | US6293180 Speed controller with pilot check valve |
| 09/25/2001 | US6293013 Backflow prevention assembly |
| 09/23/2001 | CA2302455A1 Backflow valve for an end of a pipe |
| 09/20/2001 | WO2001069112A1 Device for controlling pressure |
| 09/20/2001 | US20010022603 Liquid pressure supply apparatus and liquid discharge recording apparatus using the same |
| 09/20/2001 | US20010022193 Pressure regulating valve and method for producing a pressure regulating valve |
| 09/20/2001 | US20010022172 Check valve for engine fuel supply system |
| 09/20/2001 | DE10013448A1 Pressure regulator includes compensator intervening between coil spring and pressure regulation plug and supported against inner wall of casing |
| 09/19/2001 | CN2449027Y Hydraulic water pump control valve |
| 09/19/2001 | CN2449026Y One-way throttle valve for heat-pump type air conditioner |
| 09/13/2001 | WO2001066190A2 Methods and devices for use in performing pulmonary procedures |
| 09/13/2001 | US20010021829 Infusion rate adjusting device for drug solution injector |
| 09/13/2001 | US20010020901 Apparatus for sensing fluid flow and associated load control circuit |
| 09/13/2001 | US20010020623 Elastomeric valve for spill-proof feeding devices |
| 09/13/2001 | US20010020470 Portable,multipurpose, air dispensing apparatus |
| 09/13/2001 | US20010020415 Hydraulic system |
| 09/12/2001 | EP1132668A2 Check valve |
| 09/12/2001 | EP1131123A1 Phonation valve for breathing tube |
| 09/12/2001 | EP1130987A1 Drink valve |
| 09/12/2001 | CN2447587Y Vertical gate valve |
| 09/12/2001 | CN1070808C Plastic safety valve for container |
| 09/11/2001 | US6287225 Self contained sport ball inflation mechanism |
| 09/11/2001 | US6286732 Dispenser valve with increased flow capacity |
| 09/07/2001 | WO2001029461A8 Flow controller for a pool cleaner |
| 09/06/2001 | US20010019034 Parylene micro check valve and fabrication method thereof |
| 09/06/2001 | US20010018930 Check valve |
| 09/05/2001 | EP1129740A2 Infusion rate adjusting device for drug solution injector |
| 09/05/2001 | CN2446349Y Floating one-way shutoff valve |
| 09/05/2001 | CN1311395A Valve mechanism used for reciprocating and sealing type compressor |
| 09/05/2001 | CN1070598C One way valve driven by its own pump water pressure without damping plate |
| 09/05/2001 | CN1070596C Regulation valve for radiator |
| 09/04/2001 | US6283148 Standing valve with a curved fin |
| 09/04/2001 | US6283147 Non-return valve for a fuel tank |
| 09/04/2001 | US6283094 Pressure valve |