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)
10/1985
10/01/1985US4543987 Relief valve
10/01/1985US4543977 Valves
09/1985
09/24/1985US4542768 Pressure relief valve
09/24/1985US4542761 Fluid delivery system
09/24/1985US4542760 Earthquake responsive device for automatically shutting off gas or water or electricity or the like
09/24/1985CA1193838A1 Double walled tubing and process for producing same
09/18/1985EP0154642A1 Automatic shut off valve
09/17/1985US4541448 Freeze protection valve with metal to plastic fitting design
09/10/1985US4540103 Cap with a valve unit
09/10/1985US4540013 Fire responsive stem retention apparatus
09/10/1985US4540012 Temperature sensitive valve bonnet assembly
09/04/1985EP0153516A1 Safety valve
09/04/1985EP0153428A1 Ventilation cap for a hydraulic-oil tank
09/03/1985US4538632 Shutoff valve for fuel truck or tanker drain off downspouts
08/1985
08/28/1985EP0152709A1 Pyrotechnic disc-destruction device and application to the realisation of a temporary obturation device
08/27/1985US4537346 Fail-safe oil flow control apparatus
08/27/1985CA1192375A1 Valve device, especially for die casting machines
08/20/1985US4535957 Safety device for venting aircraft tires
08/20/1985US4535804 Conduit-break valve for a pressure conduit or hose with a surrounding protective conduit or hose
08/20/1985US4535797 Automatic shut off valve
08/20/1985US4535796 Seismic actuated shut-off valve
08/20/1985US4535678 Hydraulic control apparatus for a servo-motor, particularly for vehicle steering
08/20/1985CA1192113A1 Magnetic differential pressure valve with an indicator showing when valve has opened or closed
08/06/1985US4533114 Fail-safe actuator for rotary valves
08/06/1985CA1191338A1 Scored reverse buckling rupture disk manufacturing method and apparatus
07/1985
07/30/1985US4531542 Fluid dampened back pressure regulator
07/30/1985US4531540 Servocontrolled pressure limiting valve
07/30/1985US4531533 Seismic trigger
07/23/1985US4530373 Pressure relief valve
07/10/1985EP0148018A2 Solenoid controlled fluid flow valve
07/09/1985US4527415 Apparatus for checking the set pressure of a safety valve
07/04/1985WO1985002893A1 Compression relief
07/03/1985EP0147250A1 Confinement vessel for dangerous, especially radioactive products
07/02/1985US4526189 Fluid delivery system incorporating elastomeric check valve
06/1985
06/26/1985EP0146200A1 Multi-position relief valve
06/26/1985EP0145918A2 Method and apparatus for batch carbonating
06/26/1985EP0145828A2 Cut-off valve for gas conduits
06/25/1985CA1189420A1 Safety pressure relief valve
06/25/1985CA1189418A1 Blow down ring locking device
06/19/1985EP0145436A2 Pressure relief valves
06/19/1985EP0144587A2 Pressure modulating apparatus
06/18/1985US4523605 Freeze preventing valve
06/18/1985CA1188960A1 Relief valve arrangement
06/18/1985CA1188956A1 Isolating device
06/18/1985CA1188940A1 Constant pressure relief valve for an air control valve
06/11/1985US4522369 Pilot-controlled safety valve
06/11/1985US4522230 Orifice plate seal ring for controlled closure check valve
06/11/1985US4522229 Safety device for water-pipes
06/11/1985CA1188597A1 Fail-safe actuator with fusible link
06/06/1985WO1985002448A1 Firestop stack fitting and coupling combination
06/05/1985EP0143258A1 Valve stem-to-bonnet backseat
06/04/1985US4520843 Flow control valve
06/04/1985US4520838 Valve for high pressure fluid container
05/1985
05/28/1985US4519778 Heatable godet
05/28/1985US4519413 Pressure averager
05/22/1985EP0142300A2 Tyre pressure equalising device
05/21/1985CA1187379A1 Spring-loaded valve
05/21/1985CA1187378A1 Reseat relief valve
05/15/1985EP0141026A2 Self-closing valve
05/14/1985US4516601 For a cylinder of a mine prop
05/14/1985US4516599 Valve mechanism for low temperature applications
05/14/1985CA1186971A1 Pressure responsive pilot valve
05/07/1985US4515179 Pressure relief valve with adjustment for set pressure
05/07/1985US4515174 Gate valve with internal pressure relief means
05/07/1985CA1186670A1 Valve mechanism for low temperature applications
05/02/1985EP0139149A2 Modulating pressure-actuated servo-overpressure valve
05/02/1985EP0139131A2 Safety valve
04/1985
04/30/1985US4513776 Automatic gas shutoff valve
04/30/1985US4513763 Inertial valve apparatus
04/30/1985US4513629 Seismic actuator
04/24/1985EP0138618A2 Fail-safe oil flow control apparatus
04/24/1985EP0137903A1 Rupture disc
04/24/1985EP0137842A1 Fire resistant gate valve.
04/23/1985US4512370 High and low pressure sensor
04/23/1985US4512358 Compact long-life by-pass and pressure unloader valve
04/23/1985US4512171 Method for forming rupture disc
04/17/1985EP0137275A2 Flow control valve
04/16/1985US4510960 Valve stem-to-bonnet backseat
04/02/1985US4508262 Thermostat attachment for a valve
04/02/1985US4508144 Flow control device
04/02/1985US4508140 Hydraulic flow control valves
04/02/1985US4508133 Protective cover retainer
03/1985
03/26/1985US4506932 Device for cooling the bits of a cutting machine
03/20/1985EP0134447A2 Valve for high pressure fluid container
03/19/1985US4505296 Fuel pressure regulator
03/19/1985US4505293 Fluid flow control valve
03/19/1985US4505291 Heat sensitive fire safe valve energy assist device
03/19/1985US4505289 Rupture disc apparatus
03/19/1985US4505180 High reverse pressure resistant low forward burst pressure rupture disc assembly
03/12/1985USRE31845 Relay valve for fluid actuators
03/12/1985US4503883 Gas pressure regulator with under and over shut-off
03/12/1985US4503882 Flow valve
03/12/1985US4503717 Shock actuated unit
03/12/1985US4503675 Fail-safe actuator with fusible link
03/12/1985CA1183754A1 Safety valve
03/06/1985EP0133797A2 Valve testing
03/06/1985EP0133732A2 Protection device for water conduits
03/06/1985EP0133623A1 Flow limiting valve
03/05/1985US4502510 Automatic cleaning and metering device
03/05/1985US4502502 Overpressure safety valve
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