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)
02/2014
02/26/2014EP2699761A2 Ball valve safety plug
02/26/2014CN203453561U Boat bottom plug
02/26/2014CN203453560U High-pressure check valve
02/26/2014CN203453559U Slow-closure type vertical and horizontal check valve
02/26/2014CN203453558U 轴流式止回阀 Axial Check Valve
02/26/2014CN203453557U Check valve
02/26/2014CN203453556U Check valve for avoiding reverse flow of oil line of transformer
02/26/2014CN203453555U Swing check valve
02/26/2014CN203453554U Fireproof check valve of exhaust pipe opening of range hood
02/26/2014CN203453553U Double-end check valve
02/26/2014CN203453552U Novel check valve
02/26/2014CN203453551U Miniature valve device
02/26/2014CN203453483U Multileveled rotary wear-resisting lift check valve
02/26/2014CN203450855U Novel piston type material suction barrel
02/26/2014CN103604226A Vacuum tube type heat collection system
02/26/2014CN103603981A Connecting structure of valve seat and valve body of check valve
02/26/2014CN103603975A Check valve with push rod and multi-stage hydraulic cylinder
02/26/2014CN103603974A Anti-siphoning-pressure one-way valve
02/26/2014CN103603973A Controllable check valve
02/26/2014CN103603972A Inflation valve with double air outlets
02/26/2014CN102979934B Pressure anti-sticking seal valve for smoke exhaust ventilator
02/25/2014US8657254 Fluid release valve using flexible fluid permeable membrane
02/25/2014US8656946 Valves
02/25/2014CA2650712C Double lock valve for inflatables
02/20/2014WO2014028142A1 Valve assemblies and methods of inflating or deflating a tyre
02/19/2014CN203442243U Automobile tire valve prevented from being corroded by environment
02/19/2014CN203442242U Plug valve having backflow prevention function
02/19/2014CN203442241U Exhaust valve special for steel pipe water pressure testing machine
02/19/2014CN203442240U Muffle check valve
02/19/2014CN203442239U Unidirectional check valve
02/19/2014CN203442238U Oxygen stop valve
02/19/2014CN203442237U One-way check valve
02/19/2014CN203442236U Energy-saving slow-blocking check valve with opening degree display function
02/19/2014CN203442235U Positionable swing check valve
02/19/2014CN203442234U 透明止回阀 Transparent check
02/19/2014CN203442233U Antifouling isolating valve
02/19/2014CN203442178U Water injection valve special for steel pipe water pressure testing machine
02/19/2014CN203442172U Self-operated program-controlled valve
02/19/2014CN203441566U Structure, filter device and crankcase
02/19/2014CN203441509U Novel large-flow hydraulic control one-way valve
02/19/2014CN103591345A Backflow preventing device
02/19/2014CN103591344A Two-way controllable non-return valve
02/19/2014CN103591343A One-way valve, multi-temperature-area air flue structure and refrigerating equipment
02/19/2014CN103591342A 单向阀 One-way valve
02/19/2014CN103591341A Suck-back prevention pipe and material collecting device
02/19/2014CN103591340A One-way valve
02/19/2014CN103591339A Check vavle
02/19/2014CN101782157B Check valve and air conditioner having the same
02/18/2014US8652056 Deflation control valve
02/13/2014DE102012223329A1 Hydraulischer Automatikspanner Hydraulic automatic tensioners
02/13/2014DE102010005117B4 Rückschlagventil für eine Verbrennungskraftmaschine und Verfahren zur Herstellung eines derartigen Rückschlagventils Check valve for an internal combustion engine and method for producing such a non-return valve
02/13/2014DE102009009799B4 Lüftungsventilanordnung Vent valve assembly
02/12/2014EP2696115A1 Three-position valve for water supply systems
02/12/2014EP2694816A2 Air regulator for compressors, in particular screw compressors
02/12/2014EP2694814A2 Regulator, in particular intake regulator for compressors
02/12/2014CN203432622U Combined water meter
02/12/2014CN203431256U Dustproof inlet valve for hammer body
02/12/2014CN203431255U Novel low-resistant pressure-reducing-type backflow preventer
02/12/2014CN203431254U Flow guiding check valve
02/12/2014CN203431253U Transformer check oil pumping plug
02/12/2014CN203431252U Light-weight check valve
02/12/2014CN203431251U All-plastic check valve
02/12/2014CN203431245U Electromagnetic valve assembly with a pilot pressure control device
02/12/2014CN203431186U Gas blow-off valve
02/12/2014CN203427777U Vacuum check valve assembly
02/12/2014CN103574111A Bypass check valve for containment isolation system
02/12/2014CN103574110A Bypass check valve for containment isolation system
02/12/2014CN103574109A Check valve for fuel system of engine
02/12/2014CN103574108A Valve clack of water pump water absorbing pipe bottom valve
02/12/2014CN103574101A Valve element
02/12/2014CN102788176B Alternative ball check valve
02/11/2014US8646479 Singulation of valves
02/11/2014US8646477 Structure of valve stem and frame lining
02/11/2014CA2674985C Air admittance valve
02/09/2014CA2819735A1 Dual disk check valve with slotted stop bar
02/07/2014DE202013105539U1 Ventil einer Luftpumpe Valve of an air pump
02/06/2014WO2014022782A1 Self-sealing valve
02/06/2014WO2014022334A2 An auto cycle pump and method of operation
02/06/2014WO2014021124A1 Check valve
02/06/2014US20140038083 Forward check valve and fuel cell system
02/06/2014US20140034159 Multi-operational valve
02/06/2014US20140033876 Auto cycle pump and method of operation
02/06/2014DE102012213541A1 Fuel valve for fuel supply system, has valve body with inlet opening and outlet opening, where valve piston blocks outlet opening in closed position, and valve piston has connection channel for connecting inlet opening with spring space
02/06/2014DE102012106957A1 Feeding arrangement for heating system of supply system used for supplying drinking water, has selectively operable flush valve that is arranged for allowing a controlled flow of accumulated stagnation water
02/05/2014EP2693073A1 Rotary damper
02/05/2014CN203421257U High-temperature high-pressure check valve
02/05/2014CN203421251U Asymmetric ventilation device capable of rapidly exhausting great deal of air
02/05/2014CN203421238U Novel inflation valve
02/05/2014CN203421237U Fluid non-contact one-way valve
02/05/2014CN203421236U Diaphragm type one-way valve system of passenger car excrement collector
02/05/2014CN203421235U Check valve
02/05/2014CN203421234U Check valve device of methyl alcohol desulfuration roots blower
02/05/2014CN203421233U Combination integrated filter check valve
02/05/2014CN203421232U Inclined-clack type check valve free of striking
02/05/2014CN203421231U Ultra-low pressure constant pressure check valve
02/05/2014CN203421230U Prestress differential pressure check valve
02/05/2014CN203421229U Minitype low-pressure self-locking check valve
02/05/2014CN203421214U Special dryer outlet integration valve for NGFD natural gas station
02/05/2014CN103562470A Sanitary fitting comprising a fitting housing and a control unit
02/05/2014CN103557354A Multifunctional protection ball valve for washing machine
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