Patents for F16K 15 - Check valves (18,131)
10/1986
10/22/1986EP0198675A2 Self-regulating valve in a microwave system and a lidded vessel
10/21/1986US4618824 Method of testing the operability of check valves
10/21/1986US4617959 Check valve assembly for pipeline system
10/15/1986CN86102647A Check valve
10/09/1986WO1986005853A1 Check valve
10/07/1986US4615752 Methods of pumping and loading emulsion slurry blasting compositions
10/07/1986US4615693 Flow-guarded drip chamber
10/07/1986CA1212298A1 Flap valve
09/1986
09/24/1986EP0195364A2 Sewer tube having an automatic no-return valve
09/24/1986CN85108181A Valve for respirator
09/23/1986US4612962 Spring-loaded valve
09/23/1986US4612960 Valve assembly
09/23/1986US4612766 Apparatus for compensating for variations in pressure and flow in fuel supply systems of gas turbine engines
09/16/1986US4611374 Method for manufacturing a check valve contained within a tube
09/09/1986US4610276 Directional flow control
09/09/1986US4610275 Valve for relieving pressure or checking reverse flow
09/02/1986US4609006 Diverter
08/1986
08/28/1986WO1986004971A1 A controllable air valve for an inflatable body
08/27/1986EP0192474A2 A valve
08/27/1986EP0191969A1 Valve assembly
08/27/1986EP0191961A1 Valve device and abductor-adductor device including such a valve device
08/27/1986CN85107737A Surge suppressing check valve
08/26/1986US4607663 For sewage conduits
08/26/1986US4607661 Check value
08/26/1986US4607660 Uni-directional-flow, fluid valve assembly
08/26/1986CA1210304A1 Valve system for venting anesthesia or analgesia apparatus and the like and valves therefor
08/20/1986CN86101651A 阀 Valve
08/12/1986US4605041 Check valve
08/05/1986US4603838 Ball valve seat
08/05/1986US4603710 Non-return valve
08/05/1986CA1209012A1 Tide gate valve
07/1986
07/31/1986WO1986004399A1 Automatic one-way fluid valves
07/30/1986CN85204412U Non-return valve with no water hammer
07/29/1986US4602655 Self-retaining check valve and mounting therefor
07/22/1986US4601309 Valve and dash-pot assembly
07/22/1986US4601305 Compact gas compressor check valve
07/22/1986CA1208077A1 Precompression valve for hydraulic pumps
07/15/1986US4599978 For use in an intake system
07/08/1986US4598734 Alarm check valve
07/02/1986CN85202465U Heat water pipe single-way valve of shower-bath for family
06/1986
06/24/1986US4596263 Apparatus for controlling hydraulic flow of liquid under pressure in a pipeline
06/18/1986CN85203862U Multifunctional controllable one way-sampling-throttle-ball valve
06/10/1986US4593720 Filling nozzle valve structure
06/05/1986WO1986003273A1 A check valve and a seal for a check valve
06/05/1986WO1986003272A1 Diverter
05/1986
05/28/1986EP0182661A2 Methods of loading a borehole with a emulsion slurry blasting composition
05/28/1986EP0182550A2 Valve for respirator
05/28/1986EP0182058A1 Valve with back-flow preventing means for filling a closes receptacle
05/28/1986EP0182045A1 Dual disc low pressure one-way check valve
05/20/1986US4589441 System for controlling liquid flow
05/14/1986EP0180681A1 Straight flow valve, especially for a compressor
05/14/1986EP0180605A1 Pump valves
05/14/1986CN85202944U Controllable rotating water resistance slow closing non-return valve
05/14/1986CN85200806U Taper differential pressure safe retaining valve
05/07/1986EP0180382A2 Surge suppressing check valve
05/06/1986US4586535 Solenoid valve unit
05/06/1986US4586534 Check valve mechanism
04/1986
04/29/1986US4585031 For sewage conduits
04/22/1986US4583596 For controlling the fluid flow through a well conduit
04/15/1986US4582081 Vacuum breaker
04/09/1986EP0176869A2 Molded case circuit breaker with an improved arc gas external venting system
04/08/1986US4580950 Sliding-vane rotary compressor for automotive air conditioner
04/08/1986US4580604 Discharging valve device for a compressor
04/08/1986US4580596 Check valve with dual locking mechanism
04/08/1986US4580595 Hydraulic check valve
04/01/1986US4579147 Outlet valve for pressurized diving suit
04/01/1986US4579141 Filling and discharging valve for inflatable hollow bodies
04/01/1986US4579041 Fluid-pressure operable devices and sealing means therefor
03/1986
03/19/1986EP0174530A2 Refrigerant compressor discharge valve
03/18/1986EP0154641A4 Fluid handling device.
03/11/1986US4574853 Jet divider device for a filling head
03/11/1986US4574835 Valve component
03/05/1986EP0173571A2 Ball-type vacuum valve for leak detection apparatus
03/05/1986CN85201815U Unidirectional solenoid valve
03/04/1986CA1201359A1 Check valve
02/1986
02/27/1986WO1986001114A1 Pressure regulation system
02/25/1986US4572233 Lined check valve
02/18/1986US4570666 Unidirectional, fluid control valve
02/18/1986CA1200783A1 Valve for use in a suction line
02/11/1986US4569636 Device for regulating the delivery of rotary compressors
02/11/1986CA1200464A1 Check valve
02/05/1986EP0170007A2 Check valve
02/04/1986US4568081 Inflation needle lubricating plug insert-type valve assembly
02/04/1986CA1200174A1 Poppet check valve
01/1986
01/30/1986WO1986000681A1 In-line check valve having combined downstream poppet support and flow control elements
01/29/1986EP0169194A1 Valve component
01/28/1986US4566493 Valve assembly
01/28/1986US4566486 Soft seat for safety valve
01/28/1986US4566485 Free-floating neutrally-buoyant reciprocating pump valve for abrasive fluids
01/22/1986EP0168630A1 Faucet valve with check stop
01/22/1986CN85201501U Exhaust reed valve used in compressor
01/21/1986US4565214 Flapper check valve assembly
01/15/1986EP0168156A1 Valve assembly
01/15/1986EP0167964A2 Check valve for a suction line
01/14/1986US4564483 Controlling flow rate
01/14/1986CA1199225A1 Reinforced valve member
01/08/1986EP0167274A2 Pump
01/08/1986EP0167225A1 Valve assembly
01/08/1986EP0166869A1 Multicylinder internal-combustion engine with two exhaust turbo chargers
01/07/1986US4563173 Pump-actuated sequencing valve and system