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 17 - Safety valves; Equalising valves
Patents for F16K 17 - Safety valves; Equalising valves (21,027)
10/1980
10/28/1980CA1088494A1 Method to interrupt a media flow through a tubular pipe and a device for utilizing the method
10/28/1980CA1088401A1 Pressure control valve
10/28/1980CA1088285A1 Scored rupture disk manufacturing method
10/21/1980US4229341 Method of making thermally expansible rubber tubes for use in self-closing gas pipes and pipe joints
10/21/1980US4228987 Valve arrangement
10/21/1980US4228816 Fire safe butterfly valve
10/21/1980CA1087963A1 Safety pressure relief apparatus
10/15/1980EP0016798A1 A temperature responsive fluid valve and method of making same
10/14/1980CA1087489A2 Pressure relief valve
10/14/1980CA1087488A1 Pressure relief valve
10/07/1980US4226261 Relief valve
10/07/1980US4226110 Hydraulic compression tool
10/07/1980CA1087066A1 Fluid pressure relief apparatus
10/01/1980EP0016289A1 Positive displacement pump systems
10/01/1980EP0016288A1 Positive displacement pump systems
10/01/1980EP0016010A1 Fluid flow regulating valve and system
10/01/1980EP0015962A1 Fast closing valve for gaseous and liquid medium
10/01/1980EP0015919A1 Pressure modulating selector valve.
09/1980
09/30/1980US4225760 Pressure actuated unit with high temperature protection
09/30/1980CA1086704A1 Fluid flow valve
09/23/1980US4223693 Counterbalance valve
09/23/1980US4223692 Recreational vehicle safety system
09/23/1980CA1086182A1 Diaphragm actuated sprinkler head
09/23/1980CA1086181A1 Safety relief valve
09/23/1980CA1086180A1 Relief valves and mine props incorporating the same
09/17/1980EP0015254A1 Valve with a helical spring as valve member
09/16/1980US4222405 Pressure vacuum breaker
09/09/1980US4221231 Thermal fuse device
09/09/1980CA1085369A1 Balanced valve structure
09/09/1980CA1085262A1 Differential pressure relief valve
08/1980
08/26/1980US4219040 Rupture disc safety valve
08/26/1980CA1084475A1 Control valves
08/20/1980EP0014277A1 Fluid pressure-operated valves
08/19/1980US4217934 Pilot valve mechanism for high or low pressure cut-off control
08/19/1980US4217927 Relief and make-up valve assembly
08/07/1980WO1980001552A1 Fluid flow shutoff valve
08/06/1980EP0013716A1 Check valve for a hydraulic circuit
08/05/1980US4215746 Pressure responsive safety system for fluid lines
08/05/1980US4215718 Relief valve
07/1980
07/29/1980US4214701 Irrigation valve device
07/29/1980US4214600 Valve
07/23/1980EP0013377A1 Valve
07/15/1980US4212315 Shroud for pressure vacuum vent
07/15/1980US4212313 Shock shutoff valve
07/09/1980EP0013097A2 Temperature actuated fluid control valve
07/08/1980US4211334 Safety pressure relief apparatus
07/08/1980US4211250 Pressure relief valve
07/08/1980CA1081083A2 Rupture disc pressure relief device
07/08/1980CA1081082A1 Rupture disc pressure relief device
07/01/1980US4210174 Positive pressure valves
07/01/1980US4210171 Automatic controlling valve for maintaining the rate of fluid flow at a constant value
07/01/1980US4210170 Anti-cavitation and overload relief valve for a hydraulic system
07/01/1980US4210168 Pressure-responsive valve unit for a fluid container
06/1980
06/24/1980CA1080080A1 Servo valve
06/17/1980US4208032 Closing device with valve having a high speed reaction
06/17/1980US4207924 Control valve for fluid actuator
06/17/1980US4207913 Low burst pressure corrosion resistant rupture disc assembly
06/17/1980US4207912 Emergency shut-off valve
06/10/1980US4206776 Gravity-controlled flow valve
06/10/1980CA1079156A1 Automatic cutoff and tester apparatus of gas supply
06/03/1980US4205820 Control valves
06/03/1980US4205698 Detachable water pipe freeze preventing device
06/03/1980US4205697 Method to interrupt a media flow through a tubular pipe and a device for utilizing the method
06/03/1980CA1078684A1 Thermal protection system for filament wound pressure vessels
05/1980
05/28/1980EP0011544A1 Safety valve for packages
05/27/1980US4204560 Relief valve for fluid systems
05/27/1980CA1078290A1 Flow limiting device for a pipe carrying a fluid or gaseous medium
05/27/1980CA1078289A1 Valve assembly
05/20/1980CA1077800A1 Pressure relief device
05/14/1980EP0010913A1 Improvements in or relating to reverse buckling disc assemblies
05/13/1980US4202369 Gas relief valve design for low temperature
05/13/1980CA1077374A1 Safety element
05/06/1980US4201536 Vibration responsive mechanism
05/06/1980US4201244 Auxiliary safety valve for a pressurized fluid system
05/06/1980US4201242 Pressure relief valve
05/06/1980US4201238 Emergency override with hermetic seal
05/06/1980US4201052 Power transmission
05/01/1980WO1980000777A1 Method and device for automatic irrigation
04/1980
04/30/1980EP0010310A2 Liquid level control blocking valve
04/30/1980EP0010117A1 Improvements in or relating to pressure relief valve systems
04/29/1980US4200116 Device for sensing pressure and governing the operation of safety valves
04/29/1980US4199941 Hydraulic systems
04/22/1980US4199004 Relief and make-up valve assembly
04/22/1980CA1075998A1 Fluid flow regulating valve
04/22/1980CA1075997A1 Relief valve
04/15/1980US4197867 Relay indicator valve
04/08/1980US4196753 Flow regulator
04/08/1980US4196750 Push-type control valve for fluid actuator
04/08/1980US4196636 Mechanism control device
04/03/1980WO1980000625A1 Pilot operated relief valve
04/01/1980US4195745 Thermally sensitive pressure release assembly for sealed pressurized vessel
04/01/1980US4195664 Surge-damping vacuum valve
04/01/1980US4195663 Condition responsive valve construction and method of making the same and system therefor
04/01/1980US4195658 Resettable safety valve
04/01/1980US4195657 Surge protection valve
04/01/1980US4195632 Fluid flow valve
03/1980
03/25/1980US4194530 Restrictive vent
03/25/1980US4194529 Control valve having integral visual indicator for fluid safety systems
03/25/1980US4194527 Pressure limiting valve
03/25/1980CA1074205A1 Pressure regulator
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