Patents
Patents for F16K 37 - Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given (8,203)
09/1987
09/22/1987US4694848 Flow control valve
09/22/1987US4694693 Check valve test method using truncated accumulator blowdown
09/16/1987EP0237386A1 Indicating device which transforms a movement with two degrees of freedom into a movement with one degree of freedom which is indicated
09/15/1987US4693113 Motor operated valve analysis and testing system
09/08/1987US4691893 Fail safe gate valves and actuators therefor
09/01/1987US4690168 Valve actuator position indicating system
09/01/1987US4690003 Motor operated valve analysis and testing system
09/01/1987CA1226260A1 Gladhand with built-in dirt protection plug
08/1987
08/26/1987EP0233554A2 Arrangement for building up the withdrawal pressure in a water supply system
08/19/1987CN86206851U Sealing device of ball valve
08/04/1987US4684106 Valve
07/1987
07/28/1987US4682626 Single-lever water mixer fitting
07/28/1987US4682495 Testing device for pilot valves
07/28/1987CA1224685A1 Shaft mounted valve position sensor
07/16/1987WO1987004244A1 Motor operated valve analysis and testing system with monitoring of spring pack movement through torque switch post
07/15/1987EP0229005A1 Control regulator having a fabric reinforced diaphragm
06/1987
06/23/1987CA1223241A1 Quarter turn valve including supervisory switch
06/16/1987EP0225330A1 A calibrated handknob assembly
05/1987
05/12/1987US4665386 Auxiliary knob for gas valve to annunciate open condition
05/05/1987US4663601 Magnetic switch housing assembly
04/1987
04/28/1987US4660600 First out indicator
04/28/1987US4660416 Motor operated valve analysis and testing system with monitoring of spring pack movement through side by side monitoring device
04/28/1987CA1221000A1 Fire responsive stem retention apparatus
04/23/1987DE3610944C1 Controlling and indicating device for hydraulically actuated valves
04/21/1987US4658856 Microleaks intercepting apparatus for avoiding and/or signalling oil leakages in hydraulic plants and for equivalent uses
04/14/1987CA1220403A1 Gas fuse
04/07/1987US4655160 Deck box
04/07/1987US4655078 Sprinkler drain and test valve
03/1987
03/31/1987US4653531 Support for underground valve indicator
03/25/1987EP0126744B1 A stop or switch valve for fluids
03/17/1987CA1219145A1 Valve testing system utilizing an artificial atmosphere
03/10/1987US4648425 System and method of confirming operation of a steam relieving safety valve for a water-cooled nuclear reactor
03/10/1987CA1218915A1 Valve testing
03/03/1987US4646556 Process and apparatus for testing a pilot-operated safety valve
02/1987
02/25/1987EP0211379A1 Displacement detecting mechanism for hydraulic circuit of fork lift
02/17/1987US4643219 Valve for regulating the passage of a fluid
01/1987
01/13/1987US4635901 Position indicator for valves
01/06/1987US4633908 Manually operated mode-selecting valve device
12/1986
12/09/1986US4627497 Stop valve alarm for sprinkler system
12/03/1986EP0203498A1 Detecting device for valves and the like
12/02/1986CA1214664A1 Locating pin
11/1986
11/25/1986US4624442 Control regulator having a rolling diaphragm
11/18/1986US4622994 Fluid handling device
11/12/1986EP0201229A1 Control valves
10/1986
10/28/1986US4619436 Control regulator having a fabric reinforced diaphragm
10/21/1986US4618824 Method of testing the operability of check valves
10/21/1986US4617955 Stop or switch valve for fluids
10/09/1986WO1986005854A1 A calibrated handknob assembly
10/01/1986CN85105383A Detecting device for the moving regulation of gas valve, on air compressor
09/1986
09/30/1986CA1211995A1 Post indicating valve assembly indicator
09/10/1986EP0193702A2 Mixing valve, in particular with a single lever
08/1986
08/27/1986EP0192625A1 Control regulator having a rolling diaphragm
08/20/1986CN86200031U Automatic water-cutting out unit
08/19/1986US4606374 Valve
08/12/1986CA1209409A1 Housed valve position indicator accommodating weathering-translucent windows
08/05/1986US4603707 Purge block for gas systems
07/1986
07/30/1986CN86100605A Locking means actuated by serromotor
07/08/1986US4598734 Alarm check valve
06/1986
06/25/1986EP0185443A1 Shaft-mounted valve position sensor
06/24/1986US4596980 Light-emitting indicator
06/11/1986EP0183919A1 Valve comprising a circuit arrangement for determination of the position of said valve
06/10/1986US4593717 Valve
06/10/1986CA1205721A1 Electromagnetically controllable spray valve and spray system
05/1986
05/28/1986EP0182733A2 Magnetic switch housing assembly
05/27/1986US4590963 Method of and apparatus for determining the position of a movable member
04/1986
04/23/1986EP0178599A2 Control valve, in particular a throttling valve
04/15/1986CA1203129A1 Seal for post indicator valve assembly
04/01/1986US4579001 Pressure relief valve with pressure indicating means
03/1986
03/25/1986US4577831 Calibrated handknob assembly
03/18/1986EP0154641A4 Fluid handling device.
03/10/1986CN85105826A Pressure reducing valve with pressure automatic setting
03/04/1986CA1201297A1 Apparatus for checking the set pressure of a safety valve
02/1986
02/25/1986US4572237 Function assist control for pressure relief valve
02/18/1986US4570903 Method and apparatus for measurement of valve stem thrust
02/13/1986WO1986000970A1 Sensing of fire installation water valves being closed
02/12/1986EP0171363A1 Microleaks intercepting apparatus for avoiding and/or signalling oil leakages in hydraulic plants and for equivalent uses
02/11/1986US4569366 Position indicator for rising stem valve
02/11/1986US4569365 Device for detecting the operation of a valve
02/11/1986CA1200590A1 Valve converter/positioner with remote feedback and memory
02/04/1986US4567791 Manual device for detecting malfunction of a solenoid valve
01/1986
01/30/1986WO1986000682A1 Flow control device for administration of intravenous fluids
01/28/1986US4566310 Method of inspecting the operation of a valve and mechanical test bench for performing the method
01/28/1986CA1199990A1 Rupture disc alarm system
01/14/1986CA1199253A1 Flow rate controller
01/07/1986US4562741 Pressure relief valve with pressure indicating means
12/1985
12/10/1985US4557420 Electromagnetically controllable spray valve and spray system
12/10/1985US4557136 Valve testing
12/03/1985US4555977 Hydraulic control circuit for controlling and monitoring operating pressure in a hydraulic consumer device
11/1985
11/21/1985EP0161348A2 Gas fuse
11/12/1985CA1196532A1 Stop valve alarm for sprinkler systems
10/1985
10/22/1985US4548235 Fluid handling device
10/22/1985US4548067 Method and apparatus for testing a relief valve
10/15/1985US4546793 For indicating beginning/ending of a pulsatile flow of gas
10/15/1985US4546642 Accelerated heart valve testing apparatus and methods
09/1985
09/24/1985US4542767 Monitor for double safety valves
09/24/1985US4542649 Motor operated valve analysis and testing system
09/18/1985EP0154641A1 Fluid handling device
09/10/1985US4540013 Fire responsive stem retention apparatus
09/10/1985US4539963 Shaft mounted valve position sensor
08/1985
08/21/1985EP0151698A1 Valve testing system utilizing an artificial atmosphere
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