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)
12/1981
12/01/1981US4303196 Temperature sensitive valve
12/01/1981US4303095 Low-differential pressure delay valve
12/01/1981US4303093 Hydrant valve
12/01/1981CA1113439A1 Four-port thermally responsive valve
12/01/1981CA1113280A1 Transmission assembly for powered and manual operation
11/1981
11/26/1981WO1981003371A1 Fast-acting valve and uses thereof
11/25/1981EP0040593A1 Automatic unloading valve for a compressor
11/24/1981US4302743 Solenoid apparatus
11/24/1981US4301992 Diaphragm valve
11/24/1981US4301834 Adjustment method pipelayer control system
11/24/1981US4301830 Frictional control of a single lever faucet construction
11/17/1981US4300595 Solenoid control valve
11/17/1981US4300489 Pipe closing device
11/12/1981WO1981003130A1 Method and device for controlling inlet valves of a compressiontype chemical reactor
11/11/1981EP0039573A2 Improvements in high pressure hydraulic systems
11/10/1981US4299374 Solenoid valve
11/10/1981US4299252 Permanent magnet boosted electromagnetic actuator
11/10/1981CA1112125A1 Deceleration valve
11/10/1981CA1112123A1 Pivotal ball check valve
11/04/1981EP0039295A1 Selection valve between three enclosures of which two are under pressure
11/04/1981EP0006902B1 Rod-controlled shutter tap
11/03/1981US4298183 Water tap
11/03/1981US4298181 Electronic actuated bleed valve
11/03/1981US4298027 Three-way normally closed pilot valve
11/03/1981US4297984 Air-fuel mixture control valve assembly
11/03/1981CA1111737A1 Slow closing faucet
10/1981
10/28/1981EP0038329A1 Pneumatic diaphragm valve pulsator
10/27/1981US4296912 Magnetically actuated metering valve
10/27/1981US4296910 Hydraulically controlled safety valve
10/27/1981US4296778 Anti-backflow valve for sewer traps
10/27/1981US4296770 Freeze drain valve
10/27/1981US4296676 Control mechanism
10/27/1981CA1111473A1 Electromagnetic positioner
10/27/1981CA1111326A1 Valve apparatus
10/27/1981CA1111322A1 Turbocharger control actuator
10/20/1981US4295631 Solenoid operated valve
10/20/1981US4295630 Fail-safe actuator and hydraulic system incorporating the same
10/20/1981US4295489 Pilot-operated back pressure regulator
10/20/1981US4295488 Diaphragm and ball valve
10/20/1981CA1110951A1 Maximum liquid level control valve
10/14/1981EP0037746A2 A rotary actuator
10/14/1981EP0037445A1 Improvements in solenoid operated directional valves
10/13/1981US4294286 Electromagnetically operable fluid flow control valve mechanism
10/13/1981US4294284 Fail-safe, non-pressure locking gate valve
10/13/1981US4294276 Water sensitive probe valve for use with a gas leak detector
10/13/1981CA1110520A1 Valve for fire extinguishing system of gas distribution type
10/07/1981EP0037384A1 High-pressure seat valve
10/06/1981US4293118 Multi-function operator for control valve device
10/06/1981US4293117 Plug valve actuator
10/06/1981US4292996 Stop valve
10/06/1981US4292990 High pressure unloader valve
10/01/1981WO1981002771A1 Improvements in high-pressure seat valves
09/1981
09/29/1981US4291862 Expanding gate valve
09/29/1981US4291860 Solenoid valves, particularly for carburetors
09/29/1981US4291721 Apparatus for pressure detection and control of a safety valve
09/29/1981CA1109850A1 Clutch for valve actuator
09/29/1981CA1109748A1 Liquid sampling device
09/23/1981EP0036379A1 Reducing electric motor drive for hand controlled roller blinds and shutters
09/23/1981EP0036064A1 Booster valve for assisting the flow of material in a conveyor tube
09/22/1981US4290579 O-ring solenoid valves
09/22/1981US4290578 Failsafe cutoff valve for oil and gas wells
09/22/1981US4290553 Rotary knob for thermostatic valves of radiators
09/22/1981US4290451 Water conditioning system controls
09/22/1981US4290343 High volume poppet valve with orifice opening speed control
09/22/1981CA1109444A2 Locking system
09/17/1981WO1981002616A1 Safety locking arrangement
09/17/1981WO1981002615A1 Gas-flow regulating system
09/16/1981EP0035892A2 Fluid flow control
09/15/1981US4290039 AC Solenoid apparatus of the armature in tube type
09/15/1981US4289039 Release mechanism for a valve of a fire extinguishing installation
09/15/1981US4289038 Fail-safe attachment for an actuator
09/15/1981CA1108959A1 Sanitary faucet fitting
09/08/1981US4288665 Electric switch control unit, more particularly for electric motor driven actuators
09/08/1981US4288060 Sequenced drive for rotary valves
09/02/1981EP0034936A1 Apparatus for controlling fluid flow at an orifice
09/01/1981US4286768 Stepped pressure gas valve apparatus
09/01/1981US4286767 Solenoid actuated valve device
09/01/1981US4286749 Automatic fluid mixing valves
09/01/1981US4286626 Magnetic valve
09/01/1981US4286619 Ballcock assembly
09/01/1981CA1108034A1 Fluid dispenser with bimetal actuated valve assembly
08/1981
08/26/1981EP0034519A2 Electromagnetic valve
08/25/1981US4285499 Cam actuated butterfly valve
08/25/1981US4285497 Electromagnetically actuated valve
08/25/1981US4285496 Electro-hydraulic systems
08/25/1981US4285494 Engine air cut-off device
08/25/1981US4285493 Valve operator
08/25/1981US4285467 Three-port thermally responsive valve
08/25/1981US4285465 Thermostatic devices
08/25/1981US4285361 Slow closing faucet
08/20/1981WO1981002335A1 A fluid device
08/18/1981US4284263 Temperature-compensated control valve
08/18/1981US4284262 Magnetically actuated stopper valve
08/18/1981US4284260 Automatic discharge valve for liquids
08/18/1981US4284212 Pilot actuated diaphragm valve
08/18/1981US4284098 Valves for controlling or preventing fluid flow
08/18/1981US4284036 Watering system for fowl and small animals
08/18/1981US4283964 Control system for power shift transmission
08/18/1981US4283823 Method of making an actuating member for a thermostatically controlled valve
08/11/1981US4283040 Pressure operated pilot control shut-off valve
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