Patents for F16K 17 - Safety valves; Equalising valves (21,027)
04/1979
04/10/1979US4148339 Guide means for indicating check valve
04/10/1979US4148336 Pilot controlled membrane valve
04/10/1979US4148335 Relief valve improvement
04/10/1979CA1052169A1 Variable constant volume regulator
04/04/1979EP0001350A1 Relief valve
04/03/1979US4147272 Pressure relief device
04/03/1979US4147180 Condition responsive valve construction
03/1979
03/27/1979US4146048 Fire damper and method of fabrication
03/27/1979US4146047 Integral fluid pressure rupturable apparatus
03/22/1979WO1979000123A1 A change-over valve,preferably for a railway vehicle
03/20/1979US4145025 Control device
03/13/1979US4143673 Pressure regulator
03/13/1979US4143671 Collapsible thermoplastic sleeve
03/13/1979US4143670 Collapsible thermoplastic liner
03/13/1979CA1050453A1 Bottom operable air inlet and outlet valve
03/06/1979US4142549 Relief valve
03/06/1979US4142544 Safety element for closing a line from a pressure vessel
03/06/1979US4142282 Method for assembling a cartridge-type valve
03/06/1979CA1049884A1 Velocity rate change sensitive fluid valve
02/1979
02/27/1979US4141597 Pressure control valve for use in an antilock brake control system
02/27/1979US4141380 Flow-limiting device for a pipe carrying a fluid or gaseous medium
02/20/1979US4140148 Pressure relief valve for product containers
02/20/1979US4140041 Explosive-forming device for the obturation of a pipe by compression
02/06/1979US4137942 Control valve having integral visual indicator for fluid safety systems
01/1979
01/30/1979US4136851 Valve for fire extinguishing system of gas distribution type
01/30/1979CA1047564A1 Inflation apparatus for safety device
01/23/1979US4135641 Apparatus and methods for dispensing fluid under pressure
01/23/1979US4135547 Quick disengaging valve actuator
01/23/1979US4135541 Pressure relief and load check valve assembly
01/23/1979CA1046891A1 Apparatus for protecting a fluid pressure system from over pressure
01/23/1979CA1046805A1 Low pressure shutoff valve for fluid operated tool
01/16/1979US4134543 Snap action thermally responsive fluid control valve
01/16/1979US4134424 Two-way relief and control valves
01/16/1979US4134421 Closing spring assembly for slam-shut valves
01/16/1979US4134416 Safety device for closing a pipeline, especially for the gasoline tank of automotive vehicles
01/09/1979CA1045836A1 Pressure stabilizer for hydrocarbon storage facilities
01/02/1979US4132362 Spray head
01/02/1979US4132237 Excess flow shutoff valve for hazardous fluids
12/1978
12/26/1978US4131235 Dual-function valve
12/26/1978US4131142 Safety valve for fuel dispensers including vapor recovery systems
12/26/1978US4131124 Seismic safety cutoff device
12/19/1978US4130266 Pressure control valve
12/19/1978US4130132 Constant volume regulator with adjustable load means
12/19/1978US4130130 Valve with variable secondary orifice
12/19/1978US4130127 Accumulator changing valve
12/19/1978CA1044517A1 Bottom outlet safety closure
12/12/1978US4129142 Safety device for a relief valve with a controlled disk
12/12/1978US4129141 Scram valve
12/12/1978CA1044130A1 Slow-opening gas valve
12/05/1978US4128128 Diaphragm actuated sprinkler head
12/05/1978US4128105 Automatic shut-off valve and method of operation thereof
12/05/1978CA1043696A1 Well control valve apparatus
11/1978
11/28/1978CA1043386A1 Safety connector for pressure tank
11/21/1978US4126151 Impact sensitive safety-relief system for tank cars
11/14/1978US4125127 Piston type fluid pressure valve
11/14/1978US4125126 Pressure and vacuum relief valve
11/14/1978US4124995 Expansion device
11/07/1978US4124163 Relief pressure valve for hot melt adhesive
11/07/1978US4124037 Fluid flow regulator
10/1978
10/31/1978US4122595 Scored rupture disk manufacturing method
10/31/1978CA1041401A1 Pipe-rupture safety device for natural-gas lines and the like
10/24/1978US4121615 Valve control with indicator
10/24/1978CA1041071A1 Control valves
10/24/1978CA1040966A1 Scram valve assembly
10/17/1978US4120315 Velocity check valve
10/10/1978US4119236 Low pressure rupture device
10/10/1978US4119112 Pressure relief valve
10/10/1978CA1040052A1 Pilot operated regulator valve
10/10/1978CA1040049A1 Valve
10/03/1978CA1039616A1 Pilot valve operator for safety relief valve
10/03/1978CA1039615A1 Valve for venting the interior of a rotatable hollow element
09/1978
09/26/1978US4116215 Automatic reset pilot valve
09/26/1978US4116209 Shock actuated shut-off valve
09/26/1978CA1039148A1 Relief valve
09/19/1978US4114653 Rupturable flow retarding disk for fire hoses
09/19/1978US4114636 Bottom operable air inlet and outlet valve
09/12/1978US4112970 Oscillation damping pressure relief valve
09/12/1978CA1038260A1 Positive closure system for free floating disc valve
09/12/1978CA1038257A1 Sequence valve for clamping apparatus
09/12/1978CA1038255A1 Power transmission
09/05/1978US4111227 Pressure relief valve for hydraulic mine supporting elements
09/05/1978US4111223 Control line relief valve
09/05/1978US4111221 Low restriction, normally open valve construction having a deformable bladder
09/05/1978US4111220 Shake responsive valve
08/1978
08/29/1978US4109675 Relief valve
08/29/1978US4109674 Pressure and vacuum relief valve assembly
08/22/1978US4108204 Pressure relief valve
08/22/1978CA1036893A1 Pressure relief device for accidental overpressure in a fluid_
08/15/1978US4106749 Bottom operable air inlet and outlet valve assembly
08/15/1978US4106522 Pressure relief valve
08/15/1978US4106510 Servo valve
08/15/1978CA1036488A1 Method and apparatus for annulus pressure responsive circulation and tester valve manipulation
08/08/1978US4104878 Pressure resistant member
08/01/1978US4103705 Pressure stabilizer device
08/01/1978US4103704 Safety relief valve
08/01/1978US4103697 Safety sensor device
07/1978
07/25/1978US4102469 Protected molded rupture disc
07/25/1978US4102167 Method of manufacturing integral fluid pressure rupturable apparatus
07/18/1978US4100932 Pipe burst safety device for natural gas pipe lines or the like
07/18/1978US4100931 Fire damper