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 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
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)
08/1985
08/20/1985CA1192113A1 Magnetic differential pressure valve with an indicator showing when valve has opened or closed
07/1985
07/16/1985CA1190622A1 Method of and apparatus for making diagnosis of valve device in turbine system
07/09/1985US4527770 In-service test valve
07/09/1985US4527415 Apparatus for checking the set pressure of a safety valve
06/1985
06/11/1985US4523286 Apparatus for making diagnosis of valve device in turbine system
06/11/1985US4522223 Double poppet valve
05/1985
05/21/1985US4518008 Quarter turn valve including supervisory switch assembly
05/07/1985US4515012 Valve testing system utilizing an artificial atmosphere
04/1985
04/23/1985US4512187 Flow rate controller
04/23/1985US4512185 Steam turbine valve test system
04/16/1985US4510970 Dual seal in-line test valve
03/1985
03/26/1985US4507601 Lever stroke control
03/12/1985USRE31845 Relay valve for fluid actuators
03/06/1985EP0133797A2 Valve testing
02/1985
02/28/1985WO1985000868A1 Fluid handling device
02/19/1985US4499846 Plunger and transparent indicator
02/12/1985US4498798 Locating pin
02/12/1985US4498495 Magnetic differential pressure valve with an indicator showing when valve has opened or closed
02/12/1985US4498336 Torque measuring device
02/05/1985US4497340 Seal for post indicator valve assembly
01/1985
01/22/1985US4494566 Indicator assembly
01/22/1985US4494565 Indicator assembly
12/1984
12/05/1984EP0126744A1 A stop or switch valve for fluids.
11/1984
11/20/1984US4483367 Stop fill valve
11/07/1984EP0124242A2 Position transducer
11/06/1984US4480653 In-service test valve
10/1984
10/30/1984US4479506 Conduit blowout preventer
10/24/1984EP0122740A2 Alarm check valve
10/24/1984EP0122323A1 Double-seat valve with two valve heads
10/16/1984US4476894 Valve with circulation timer
10/03/1984EP0120035A1 Valve converter/positioner with remote feedback and memory
10/02/1984CA1175564A1 Valve position indicator and method
09/1984
09/11/1984US4470367 First out fluid pressure indicator
08/1984
08/28/1984US4468559 Determining valve position
08/14/1984US4464931 Method and apparatus for checking the operating conditions of a flow and pressure control member
07/1984
07/24/1984US4461450 Remote control choke
07/24/1984US4461318 Double seat valve
07/17/1984CA1170922A1 Vehicle tire deflation signalling system
06/1984
06/12/1984US4454504 Torque overload indicator
06/07/1984WO1984002169A1 A stop or switch valve for fluids
05/1984
05/30/1984EP0109883A1 Apparatus for controlling the set pressure of a safety valve
05/29/1984US4450861 Compressed gas saving device
05/29/1984CA1168128A1 Bypass valve and alarm assembly
05/15/1984US4448148 Post indicating valve assembly indicator
04/1984
04/25/1984EP0106796A2 Electromagnetically controllable and monitorable spray valve for fluids, and installation comprising these spray valves
04/12/1984WO1984001445A1 Valve converter/positioner with remote feedback and memory
04/10/1984US4441365 Sight-glass mounting
03/1984
03/20/1984CA1164069A1 Optical valve position sensor system
03/06/1984US4434855 Sprinkler valve
02/1984
02/21/1984US4432385 Devices for regulating the flow and the pressure of gaseous fluids
02/08/1984EP0100027A1 Valve
01/1984
01/31/1984US4428223 Apparatus for periodically testing the operation of safety valves
01/18/1984EP0098418A1 Double-disk valve
01/03/1984US4423751 Bypass valve and alarm assembly
12/1983
12/13/1983CA1158525A1 Double block and vent valve
11/1983
11/08/1983CA1156629A1 Rotary knob for thermostatic valves of radiators
11/02/1983EP0092714A1 Position indicator assembly and valve assembly making use thereof
10/1983
10/25/1983US4411288 Valve position indicator with variable indicator plates
10/12/1983EP0090941A2 Hose rupture safety device for fluids, especially for gas plants
10/04/1983US4407326 Valve actuating mechanism
09/1983
09/28/1983EP0089563A2 Valve actuating device, especially for vacuum valves
09/27/1983US4406303 Gate valve with position indicator
09/20/1983CA1153893A1 Metering valve
09/13/1983CA1153634A1 Bottom outlet valve open and closed indicator
08/1983
08/30/1983CA1153114A1 Method of sensing malfunctions of check valve mounted in pipeline and apparatus therefor
08/24/1983EP0086632A2 Control valve
08/23/1983CA1152605A1 Leak detection apparatus
07/1983
07/20/1983EP0083846A1 Safety pressure relief device with indicating means
03/1983
03/08/1983US4375789 First out indicator
02/1983
02/16/1983EP0071877A2 Magnetic differential pressure valve with an indicator showing when valve has opened or closed
02/16/1983EP0071750A2 Butterfly valve with exact through-flow cleft adjustment for vacuum-technical installations
02/15/1983US4373545 Double block and vent valve
01/1983
01/04/1983US4366837 Early warning bypass valve assembly
12/1982
12/07/1982CA1136929A1 Signal device
11/1982
11/23/1982US4360039 Valves
11/23/1982US4360038 Magnetically-operated valve
11/03/1982EP0063968A1 Installation and method for verifying the working conditions of a pressure and flow controlling device
10/1982
10/26/1982US4356397 Optical valve position sensor system
10/26/1982US4355658 Pilot valve with indicating lockout knob
10/20/1982EP0063010A1 Determining valve position
10/12/1982US4353390 Swing check valve with internally balanced disc
09/1982
09/29/1982EP0060910A1 Double-seat valve with leak control
09/28/1982CA1132359A1 Set pressure measuring system
09/14/1982US4349885 Set pressure measuring system
09/03/1982EP0046748A4 Leak detection apparatus.
08/1982
08/24/1982US4345620 Safety valve assembly
08/03/1982US4342988 Rupture disc alarm system
07/1982
07/27/1982US4341241 Position indicating valve means
07/20/1982US4340086 Hydraulic control valve unit
05/1982
05/19/1982EP0051961A1 Apparatus for monitoring a valve
05/04/1982US4327768 Bottom outlet valve open and closed indicator
05/04/1982CA1122880A1 Hydraulic control valve unit
03/1982
03/30/1982US4321946 Armature position monitoring and control device
03/10/1982EP0046748A1 Leak detection apparatus
01/1982
01/12/1982CA1115988A1 Flow sensor responsive to fluid leakage flows within a range from above a predetermined minimum to below a predetermined maximum and nonresponsive to fluid leakage flows beyond said range
01/12/1982CA1115987A1 Flow sensor responsive to fluid flows within a range from above a predetermined minimum to below a predetermined maximum and nonresponsive to fluid flows beyond said range
12/1981
12/22/1981US4306586 Three way valve
12/08/1981US4304630 Position indicator
12/08/1981US4304256 Torque transmitting assembly for rotary valve member
12/08/1981US4304251 Double seat valve with leak control
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