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 31 - Operating means; Releasing devices
Patents for F16K 31 - Operating means; Releasing devices (69,292)
12/1980
12/23/1980CA1091941A1 Valve for refrigeration plant
12/23/1980CA1091940A1 Valve for liquid injection into a refrigerant evaporator
12/16/1980US4239186 Trip valve construction
12/16/1980US4239178 Manual actuator for motor driven control valve
12/16/1980US4239177 Electrically operated valve with balanced port design
12/16/1980US4239154 Thermally responsive valve
12/16/1980US4238975 Self-centering push-pull cable apparatus
12/16/1980CA1091636A1 Faucet valve assembly with friction drag
12/16/1980CA1091635A1 Electric vacuum valve
12/16/1980CA1091577A1 Hydraulically controlled safety valve
12/16/1980CA1091541A1 Air release valve
12/09/1980US4238110 Electromagnetic fuel metering valve assembly
12/09/1980US4238109 Control valve
12/09/1980US4237931 Three-way valve
12/09/1980US4237923 Solenoid non return valve
12/09/1980US4237920 Spring loaded plug valve
12/02/1980US4236547 Self-cleaning valve plug and seat assembly
11/1980
11/28/1980EP0015919A4 Pressure modulating selector valve.
11/26/1980EP0019364A1 A hydraulic servo valve arrangement
11/25/1980US4235415 Auxiliary spring assisted valve linkage
11/25/1980US4235414 Electromagnetic valve for fluid circuits containing impurities
11/25/1980US4235413 Electrically actuated valve
11/25/1980CA1090153A1 Device for coupling a pair of rods
11/25/1980CA1090152A1 Device for coupling a pair of rods
11/18/1980US4234157 Lift-turn valve and actuator assembly
11/18/1980US4234015 Valve
11/18/1980US4234013 Control valve for keeping the rate of flow at a fixed value
11/18/1980US4234009 Straight flow seat valve
11/18/1980CA1089839A1 Control valve
11/18/1980CA1089740A1 Pressure regulation and flow control valve with combination needle and check valve
11/18/1980CA1089739A1 Flow system with pressure level responsive air admission control
11/18/1980CA1089727A1 Automatic water supply system for breeding or raising animals
11/11/1980US4232703 Safety close-off valve arrangement for pipe conduit systems and installations
11/11/1980US4232696 Drain valve assembly
11/04/1980USRE30427 Maximum liquid level control valve
11/04/1980US4231549 Valve stem and valve disc connection for a diaphragm valve
11/04/1980US4231399 Momentary contact reversing diverter
11/04/1980US4231393 Arrangement in or relating to a valve
11/04/1980US4231389 Removable operator for gate valves
11/04/1980US4231343 Device for controlling the intake air temperature of a carburetor-equipped internal combustion engine
11/04/1980US4231340 Exhaust gas recirculation control system for internal combustion engine
10/1980
10/29/1980EP0017868A1 Operation monitored valve arrangement
10/29/1980EP0017660A1 Hydraulic press
10/28/1980US4230156 Solenoid-actuated valve
10/28/1980US4230146 Fuel feed system
10/28/1980US4230145 Fluid control valve
10/28/1980US4230140 Environmental first stage scuba regulator
10/28/1980US4230077 Vacuum operated servo
10/28/1980US4229995 Locking mechanism for an adjustable spindle drive
10/28/1980US4229993 Actuating device
10/21/1980US4229341 Method of making thermally expansible rubber tubes for use in self-closing gas pipes and pipe joints
10/21/1980CA1088037A1 Temperature-dependent actuating mechanism
10/15/1980EP0017592A1 Hydraulic actuating device with five positions
10/15/1980EP0017351A1 Improvements in high pressure hydraulic systems
10/15/1980EP0016798A1 A temperature responsive fluid valve and method of making same
10/14/1980CA1087587A1 Valve operator
10/14/1980CA1087490A1 Variable orifice valve
10/14/1980CA1087412A1 High side pressure limiting thermostatic expansion valve
10/07/1980US4226344 Constant flow valve actuator
10/07/1980US4226259 Regulator module
10/07/1980US4226258 Ball valve
10/07/1980CA1087150A1 Sub-surface gate valve
10/07/1980CA1087149A1 Pressure operated pilot control shut-off valve
10/01/1980EP0016666A2 Electrohydraulic transducer, especially for controlling a pressure in an automatic gearing
10/01/1980EP0016553A1 Actuation system for a valve
10/01/1980EP0016436A2 Servo valve
10/01/1980EP0016412A1 Pneumatically operated valve
10/01/1980EP0016074A1 Pneumatically operated control valve for pneumatic control at low pressure and working pressure.
10/01/1980EP0015919A1 Pressure modulating selector valve.
09/1980
09/30/1980US4225111 Solenoid valve
09/30/1980US4224959 Clamp for liquid-dispensing valve
09/30/1980CA1086705A1 Mechanical movement
09/23/1980US4223867 Valve with a pair of valve plates
09/23/1980CA1086182A1 Diaphragm actuated sprinkler head
09/17/1980EP0015292A1 Valve structure for rapidly evacuating a container
09/16/1980USRE30403 Safety valve for fluid systems
09/16/1980US4222410 Outlet fixture for fluid media
09/16/1980US4222279 Transmission mechanism
09/16/1980CA1085802A1 Valve member for pilot operated valves
09/16/1980CA1085699A1 Fluid relay apparatus
09/16/1980CA1085698A1 Mechanical hydro servo valve
09/09/1980US4221359 Foot control for hydraulic valve
09/09/1980US4221238 Linearly operable intermittent valve
09/09/1980US4221236 Steppable mechanism and valves including same
09/09/1980US4221016 Valve stem cleaner and positioner
09/09/1980CA1085262A1 Differential pressure relief valve
09/03/1980EP0014838A1 Valve, especially for the windscreen washers of motor vehicles
09/02/1980US4220313 Valve operator
09/02/1980US4220312 Cryosolenoid valve
09/02/1980US4220173 Time delay fluid valve
09/02/1980US4220074 Switching valve
09/02/1980US4220053 Stop mechanism for worm gear set
08/1980
08/26/1980US4219184 Faucet valve assembly with friction drag
08/26/1980US4219183 Operating mechanism for valves, gates and the like
08/26/1980CA1084475A1 Control valves
08/26/1980CA1084383A1 Pilot actuated diaphragm valve
08/19/1980US4217870 Venting valve for crankcases of reciprocable piston internal combustion engines
08/12/1980US4216938 Solenoid actuated valve device
08/12/1980US4216799 Sequential AND fluid logic device
08/12/1980US4216703 Valve actuator
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