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)
10/2012
10/30/2012US8297301 Nozzle device for pump
10/26/2012WO2012143775A2 Ball valve safety plug
10/26/2012WO2012118723A3 Variable flow check valve for hydraulic tensioner
10/25/2012US20120271247 Pressure actuated valve with improved slit configuration
10/25/2012US20120266980 In-line back pressure fluid regulators
10/25/2012US20120266979 Check Valve for Abrasive Blaster Pressure Vessel
10/25/2012DE102011050239B4 Handpumpe Hand pump
10/24/2012CN202501055U Filling-prevention and pouring-preventing safety valve used for liquefied petroleum gas canister
10/24/2012CN202501053U Long-life redundancy seal gas charging valve
10/24/2012CN202501052U Sphere-shaped double-adjustment check valve
10/24/2012CN202501051U Electromagnetic control non-return valve
10/24/2012CN202501050U Unidirectional throttle valve
10/24/2012CN202501049U Multifunctional automatic return valve
10/24/2012CN202501048U Intelligent water pump control valve
10/24/2012CN202501047U Anti-siltation check type drainer
10/24/2012CN202501046U Air residual pressure value
10/24/2012CN202501045U Fanshaped on-off valve mounting structure
10/24/2012CN202501044U Valve body of fan-shaped on-off valve
10/24/2012CN202501034U Stream flow controller
10/24/2012CN102753868A Valve system
10/24/2012CN102748510A Micro-resistance spherical check valve
10/24/2012CN102748509A Flange-connection type round flap valve provided with buoyant box at left side
10/24/2012CN102748508A Flange connection type round right-opened buoyancy tank check valve
10/24/2012CN102748507A Check valve
10/23/2012US8291936 Non-return valve, in particular for medical uses
10/23/2012US8291933 Spring-less check valve for a handpiece
10/18/2012WO2012141565A1 Spare part to water-free urinal
10/18/2012US20120261001 Air pressure adjusting apparatus
10/17/2012EP2510267A1 Check valve
10/17/2012CN202493742U Self-sealing connection structure for valve cover and valve body of non-return valve
10/17/2012CN202493723U Check valve provided with limiting device
10/17/2012CN202493722U Three-in-one butterfly type control valve
10/17/2012CN202493721U An anti-dust air suction valve
10/17/2012CN202493720U Biplate check valve
10/17/2012CN202493719U Rubber-clack check valve with oil pressure buffering device at bottom
10/17/2012CN202493718U Novel engine gas one-way valve
10/17/2012CN102734543A Water leakage prevention valve
10/17/2012CN102734512A Button type life jacket air charging valve
10/17/2012CN102734511A Core pushing control valve
10/17/2012CN102734510A Safe flow guide device
10/17/2012CN102734509A Pneumatic amplifier
10/17/2012CN102734508A Energy-saving type low-resistance low-power silent check valve
10/17/2012CN102734507A Spherical automatic switching check valve
10/17/2012CN102734506A Swing check valve of nuclear first-level forged steel belt position indicator
10/17/2012CN102734016A Fuel oil filter and fuel oil filter seat
10/17/2012CN102726989A Inflatable cushion
10/16/2012US8287425 Vehicular transmission
10/16/2012US8286605 Exhaust gas recirculation valve
10/11/2012WO2012106350A3 Segmented collapsible ball seat allowing ball recovery
10/11/2012WO2012095475A3 Gasification reactor
10/11/2012WO2012084778A3 Pressure relief valve comprising a piston having a variable cross-section of a high-pressure accumulator for an injection system
10/11/2012WO2012078581A3 Scupper plug with one-way valve
10/11/2012US20120255631 Check Valve
10/10/2012EP2508782A1 Check valve
10/10/2012EP2508426A1 Flow device and method and system using the flow device
10/10/2012DE202011102934U1 Ventileinheit zur Belüftungs- oder Rückstromsteuerung Valve unit for ventilation or back flow control
10/10/2012CN202484374U Novel one-way check valve
10/10/2012CN202484373U Inflating nozzle device
10/10/2012CN202484372U Self-discharge type uniflow valve
10/10/2012CN202484371U Liquid-bath type check valve of storage vessel of stink adding machine
10/10/2012CN202484370U Check valve assembly and pump and water purification device using check valve assembly
10/10/2012CN202484369U Butterfly check valve
10/10/2012CN202484368U Cam hydraulic damping slow-closure check valve
10/10/2012CN202484367U Novel drainage check valve
10/10/2012CN202484366U Check valve
10/10/2012CN202484365U Simplified integrated valve
10/10/2012CN102725537A Steam supply system and check valve used for same
10/10/2012CN102062240B Smoke exhausting and fireproofing check valve
10/10/2012CN102003556B Piston-type water hammer resistance and high pressure balance check valve
10/10/2012CN101994335B Drainage gas isolating device for preventing gas backflow and drainage gas isolating cylinder
10/10/2012CN101963249B High temperature micro-resistance slow closure check valve
10/10/2012CN101936412B Right-angle backflow preventer
10/10/2012CN101893118B Liquid or freerunning solid hingless magnetic check valve
10/10/2012CN101237919B Mixing eductor
10/09/2012US8281806 Check valve
10/09/2012US8281805 Automatic suction and pressure valve
10/09/2012US8281799 Valve set
10/09/2012CA2548424C Twin duckbill valve assembly
10/09/2012CA2501795C Seal positioning assembly
10/07/2012CA2772433A1 Check valve
10/04/2012WO2012132097A1 Rotary damper
10/04/2012WO2012106093A3 High flow and quick response check valve for hydraulic tensioner
10/04/2012US20120252616 Air bleeding valve for hydraulic tensioner of an engine and hydraulic tensioner incorporating same
10/04/2012US20120248364 Membrane valve
10/04/2012DE102011006601A1 Hydraulic absorbed clamping apparatus used in traction drive of combustion engine for vehicle, has valve holder provided with sealing seat that is co-operated with valve portion of pressure-dependent poppet valve
10/04/2012CA2825075A1 Rotary damper
10/03/2012EP2505884A1 Non-return valve for pumpable animal feed
10/03/2012EP2505883A1 Valve body for a coupling element of a pressurized conduit coupling
10/03/2012EP2504498A1 Non-return device
10/03/2012CN202469166U Anti-siphon backflow pilot-type electromagnetic valve
10/03/2012CN202469122U Butterfly type self-locking fireproof check valve
10/03/2012CN202469118U Plate type balance valve dynamic sealing member
10/03/2012CN202469095U Tire valve
10/03/2012CN202469094U Two-way key-type non-return valve
10/03/2012CN202469093U Fluid check valve with simple structure
10/03/2012CN202469092U Flange swing check valve
10/03/2012CN202469091U Micro-resistance, micro-power-consumption and self-balance check valve
10/03/2012CN202469090U One-way valve with triangular valve core
10/03/2012CN202469089U Swing check valve
10/03/2012CN202469088U Underground check valve for oil gas drilling
1 ... 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 ... 182