Patents
Sitemap › F16 - Engineering elements or units; General measures for producing and maintaining effective functioning of machines or installations; Thermal insulation in general › F16K - Valves; Taps; Cocks; Actuating-floats; Devices for venting or aerating › F16K 15 - Check valves
Patents for F16K 15 - Check valves (18,131)
10/2014
10/30/2014US20140318643 Actuator for a water spray structure
10/28/2014US8870952 Valve assemblies for implantable prostheses and tissue expanders
10/28/2014US8870493 Culvert gate assembly
10/28/2014US8869837 Compressor
10/28/2014US8869829 Pressure release valve assembly for pressure cooker
10/28/2014US8869828 Check valve with self-trapping insert
10/28/2014US8869825 Flow rate control device
10/28/2014US8869824 Check valve and shut-off reset device for liquid delivery systems
10/28/2014US8869823 Non-return valve
10/28/2014US8869819 Bi-directional inflating device
10/23/2014US20140311602 Turbo purge valve-check valve obd vacuum relief
10/23/2014US20140311596 Check valve for variable capacity compressor of vehicle
10/23/2014US20140311585 Filter bypass valve
10/21/2014US8863781 Constricting pressure valve apparatus and methods thereof
10/21/2014US8863767 Alignment system for flapper valve
10/21/2014US8863713 Camshaft adjuster having a non-return valve
10/16/2014US20140305519 Easy-connect attachment head and adapter
10/16/2014US20140305115 Cushion valve device and multi-cushion valve unit including the same
10/14/2014US8858452 Check valve structure, diaphragm pump, and sphygmomanometer
10/14/2014US8857647 Connecting structure
10/09/2014WO2014164637A1 Self-venting piston plugs
10/09/2014WO2014163131A1 Check valve body and check valve using same
10/09/2014WO2014161985A1 A beverage dispensing system for dispensing a carbonated beverage and a method for dispensing carbonated beverage
10/09/2014WO2014161099A1 Device having a flow channel
10/09/2014US20140299212 Check valve, especially for medical applications
10/09/2014US20140299209 Gas valve having automatically blocking means
10/09/2014DE102008018116B4 Strömungswächter Flow switch
10/08/2014EP2786960A1 Constant flow rate throttle for a beer dispenser
10/08/2014EP2786051A1 Quick maintenance undersea check valve
10/08/2014EP2785926A1 Back pressure safeguard
10/07/2014US8852443 Filtration system with a variable restriction orifice
10/07/2014US8851452 Self-aligned plunger for chromatographic valve
10/07/2014US8851195 Differential dry pipe valve
10/07/2014US8851053 Gas fuel supply apparatus
10/07/2014US8850952 Cylinder phaser valves
10/07/2014US8850827 Control valve with radial seals
10/02/2014WO2014159502A1 Low head to stem ratio poppet valve
10/02/2014WO2014159137A1 Main stage in-line pressure control cartridge
10/02/2014US20140295310 Valve and fuel cell system
10/02/2014US20140290778 Fluid control valve
10/02/2014US20140290777 Back-pressure safeguard
10/02/2014DE102013205813A1 Fluidventil- und -verbindungsvorrichtung Fluidventil- and -verbindungsvorrichtung
09/2014
09/30/2014US8845305 Valve and diaphragm for a pump
09/30/2014US8844596 Central tire inflation wheel assembly, valve and central tire inflation system
09/30/2014US8844572 Drain pipe waste water closure protection device
09/30/2014US8844563 Dual plate check valve
09/30/2014US8844562 Access cover in backflow prevention device
09/30/2014US8844560 Cartridge housing
09/30/2014US8844484 Non-return valve of a camshaft adjuster
09/30/2014CA2747581C One-way check valve
09/25/2014WO2014151601A1 Crankcase explosion relief valve using porous metal
09/25/2014WO2014147238A1 Valve and boiler comprising such a valve
09/25/2014DE102013212493B3 Schaltbare Sperrvorrichtung, die eine Aktuatorik sowie einen Drehschieber einschließt Switchable locking device including an actuator and a rotary valve
09/25/2014DE102005059318B4 Rückschlagventil Check valve
09/23/2014US8840083 Intake valve for a cylinder of the high-pressure fuel pump of a common rail injection system
09/23/2014US8839809 Attachment for different air valves
09/23/2014US8839807 Rapid response self-closing pressure equalization vent
09/18/2014WO2014145635A1 Method and device for coolant recycling
09/18/2014WO2014144530A1 Backwater valve assembly and method
09/18/2014WO2014138973A1 Check valve with improved response time
09/18/2014US20140271245 Biflex film valves
09/18/2014US20140262995 Valve Assembly of a Filter Element
09/18/2014US20140261789 Backwater valve assembly and method
09/18/2014US20140261754 Attachment for different air valves
09/18/2014DE102013004285A1 Ventilanordnung Valve assembly
09/17/2014EP2776746A1 Retrofit of a reciprocating compressor with a concentric valve
09/17/2014EP2776745A2 Biased swing check valve
09/16/2014US8833395 Pressure relief valve
09/16/2014US8833389 Captured check ball valve cartridge
09/14/2014CA2845943A1 Fan array backflow preventer
09/12/2014WO2014135333A1 Dual plate check valve assembly with rising stem
09/12/2014WO2014135253A1 Device for covering the end of a pipe
09/11/2014US20140252012 Valve for a sippy cup
09/11/2014US20140251474 Combination flow control valve and reverse flow check valve
09/11/2014US20140251465 Tip-resistant valve plugs
09/11/2014US20140251461 Check valve having petals with lift generating elements
09/11/2014DE102013004850A1 Spannvorrichtung mit Blattfedermembran Chuck with leaf spring diaphragm
09/10/2014EP2775177A1 Check valve having petals with lift generating elements
09/09/2014US8827244 Tunable fluid end
09/09/2014US8826934 Apparatus for preventing backflow of fill valve in water toilet
09/09/2014US8826478 Inflatable device forming mattresses and cushions
09/09/2014CA2697676C Minimum pressure valve
09/04/2014WO2014133434A1 A shut-off valve in a hydraulic disc coupling for an awd vehicle
09/04/2014US20140246103 Gas purging valve for fire protection system
09/03/2014EP2771601A1 Valve for inflation and deflation of air bags and method of use thereof
09/03/2014EP2771200A2 Vent valve
09/02/2014US8820358 Check valve
09/02/2014US8820348 Radial flow oscillating valve for reciprocating compressors and pumps
08/2014
08/28/2014WO2014130885A1 Valve assembly for inflatable bladder and method of manufacturing the same
08/28/2014WO2014130052A1 Pressure equalization for dual seat ball valve
08/28/2014US20140238505 Valve comprising a resilient valve element
08/28/2014US20140238500 Compressor and/or expander device with rolling piston seal
08/28/2014DE112012003651T5 Kompakter Kraftstoffdruckregler Compact fuel pressure regulator
08/26/2014US8814140 Valve for controlling a fluid
08/26/2014US8813859 Fire suppression valve improvements
08/26/2014US8813784 Flow path switching valve
08/26/2014US8813773 Valve arrangement
08/26/2014US8813747 Vaporizer system for delivery of inhalable substances
08/26/2014CA2738107C Valve with shuttle
08/21/2014US20140230928 Tunable Check Valve
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