| Patents for F16K 17 - Safety valves; Equalising valves (21,027) |
|---|
| 10/09/1990 | US4961560 Two way latching trip valve |
| 10/08/1990 | WO1990012231A1 Pressure relief valve and cryopump utilizing the same |
| 10/08/1990 | CA2049029A1 Pressure relief valve and cryopump utilizing the same |
| 10/04/1990 | DE3910082A1 Hydraulic component |
| 10/02/1990 | US4960260 Fluid restricting valve |
| 10/02/1990 | US4960249 Controlled valve with possibility of autonomous opening and aircraft with a valve of this type |
| 10/02/1990 | US4960147 Vibration activated relief valve |
| 10/02/1990 | US4960146 Earthquake safety valve |
| 10/02/1990 | US4960145 Fuel shut-off valve |
| 09/27/1990 | DE3909461A1 Rock-burst safety valve |
| 09/26/1990 | EP0388922A2 By-pass valve with damping means |
| 09/26/1990 | EP0388765A1 Fillercap for a reservoir neck |
| 09/25/1990 | US4958657 Gas supply safety device |
| 09/25/1990 | US4958656 Pressure relief valve |
| 09/20/1990 | WO1990010811A1 Pressure control valve |
| 09/19/1990 | CN2062388U High pressure micro-flow valve |
| 09/18/1990 | US4957457 Control system for the hydraulic tilt function of a marine engine |
| 09/18/1990 | US4957136 Non-flowing modulating pilot operated relief valve |
| 09/18/1990 | CA1274225A1 Heat sensitive valve |
| 09/15/1990 | CA2001072A1 Pneumatic control system for air handling system damper |
| 09/07/1990 | WO1990010167A1 Backflash interrupter |
| 09/06/1990 | DE3906888A1 Control device for a safety valve |
| 09/05/1990 | EP0293437A4 Multiple port relief valve |
| 09/05/1990 | CN2061635U Piston-type gas reducer |
| 09/04/1990 | US4953593 Fluid mixing apparatus for producing variably carbonated water |
| 09/04/1990 | CA1273543A1 Shut-off valve and method for using same |
| 09/04/1990 | CA1273523A1 Aeration device for closed volume |
| 08/29/1990 | EP0384903A1 A device for automatic circulation in a waste water pump station |
| 08/29/1990 | EP0383903A1 Seals for gas isolators. |
| 08/29/1990 | CN2061237U Protective valve against pipeline breaking |
| 08/28/1990 | US4951760 Remote control actuation device |
| 08/28/1990 | US4951701 Combination air vent and overpressure valve |
| 08/28/1990 | US4951697 Rupture disk failure indicating apparatus |
| 08/28/1990 | CA1273329A1 Fluid-flow isolation and control apparatus and method |
| 08/28/1990 | CA1273266A1 Cross line relief valve mechanism |
| 08/28/1990 | CA1273262A1 Condensate separator and discharging device |
| 08/25/1990 | WO1990010168A1 Pressure relief valve for pressure equalization between a closed space and the surrounding atmosphere |
| 08/22/1990 | EP0383368A2 Fire protection systems |
| 08/22/1990 | CN1009302B Pressure reducing valve with pressure automatic setting |
| 08/21/1990 | US4949862 Pressure relief device, and method |
| 08/21/1990 | US4949750 Surge reliever relief valve |
| 08/21/1990 | US4949748 Backflash interrupter |
| 08/16/1990 | DE4004406A1 Re-switchable signal generator for safety function tripping - generates tripping signal in two channels by different pressure states, respectively |
| 08/16/1990 | DE3903986A1 Explosion protection valve |
| 08/14/1990 | US4949288 Testing system for safety relief valves |
| 08/14/1990 | US4948342 Method and device for automatic circulation in a waste water pump station |
| 08/14/1990 | US4948043 Wax-pellet thermostat |
| 08/14/1990 | CA1272755A1 Valve for the addition of water to electrochemical accumulator batteries |
| 08/09/1990 | WO1990008912A1 Fire isolation device |
| 08/08/1990 | EP0380477A1 Spring-loaded safety valve. |
| 08/07/1990 | US4946131 For use on a safety valve |
| 07/31/1990 | US4944425 Fuel cap |
| 07/31/1990 | US4944328 Solenoid controlled valve |
| 07/31/1990 | US4944327 Riser check valve |
| 07/26/1990 | WO1990008354A1 Fluid flow controller |
| 07/25/1990 | CN2059702U Automatic pressure adjustment water-saving valve |
| 07/25/1990 | CN1008935B Hydraulic shock-absorber of beat and its application in valves parts |
| 07/25/1990 | CN1008934B Fluid flow isolation and control apparatus and method |
| 07/24/1990 | US4942900 Pressure control valve |
| 07/18/1990 | EP0302068B1 Check valve |
| 07/18/1990 | CN2059474U Explosion-protecting safety valve for liquid gas |
| 07/18/1990 | CA2001024A1 Fluid flow controller |
| 07/17/1990 | US4941505 Oil supply system for a burner nozzle including means for preventing the nozzle from dripping |
| 07/17/1990 | US4941503 Vacuum assembly including an improved vacuum relief valve assembly |
| 07/17/1990 | US4941502 Low pressure recirculation valve |
| 07/17/1990 | CA1271688A1 Hydraulic fuse |
| 07/12/1990 | WO1990007665A1 Cartridge-type direct loaded safety and pressure relief valve having flow path for preventing supersonic flow and minimizing valve hysteresis |
| 07/11/1990 | WO1990008279A1 Universal control valve |
| 07/11/1990 | CN2059207U Self accumulation pressure guaranteed valve for remainding gas in acetylene bottle |
| 07/04/1990 | EP0376734A1 Non-flowing modulating pilot operated relief valve |
| 07/04/1990 | EP0376115A1 Hydraulic safety valve |
| 07/04/1990 | CN2058952U Self-power temp. regulator |
| 07/03/1990 | US4938376 Valve for safeguarding the outer container of double wall vacuum-insulated storage containers for low boiling liquified gases |
| 07/03/1990 | US4938259 Fluid flow controller |
| 07/03/1990 | US4938254 Over-pressure relief valve |
| 07/03/1990 | US4938120 Device for influencing the reset value of a valve |
| 06/29/1990 | CA2006940A1 Cartridge-type safety and pressure relief valve |
| 06/26/1990 | US4936287 Fusible link assembly |
| 06/26/1990 | US4936032 Safety valve for hydraulic receiver and hydraulic circuit comprising same |
| 06/26/1990 | CA1270725A1 Differential pressure control valve |
| 06/26/1990 | CA1270723A1 Hydraulic pressure reducing control valve |
| 06/21/1990 | DE3842129A1 Pressure-compensation device for insulating glass panes |
| 06/19/1990 | US4934405 Safety valve |
| 06/14/1990 | WO1990006463A1 Abnormal pressure prevention-vacuum prevention valve |
| 06/14/1990 | WO1990006462A1 Emergency fuel shut-off valve |
| 06/14/1990 | WO1990006461A1 Sample container for the digestion of sample material |
| 06/13/1990 | DE3844673A1 Flow limiter |
| 06/13/1990 | CN2058222U Lpg safety pressure reduction valve |
| 06/13/1990 | CN1042979A Release valve for controlling the pressure-increasing rate and maximum pressure in pipe |
| 06/12/1990 | US4932435 Multi-stage flow regulating valve |
| 06/12/1990 | US4932434 Adjustable safety relief valve |
| 06/12/1990 | US4932428 Bypass relief poppet valve |
| 06/12/1990 | CA1270173A1 Pressure relief method and rupture disk assembly |
| 06/07/1990 | DE3939495A1 Liq. through flow regulator for water supply - has one transverse banking face in tubular component defining passage for liq., useful in washing machine |
| 06/06/1990 | CN2057985U Fluid pressure-controlled check valve |
| 06/05/1990 | US4930553 Pressure relief valve |
| 06/05/1990 | CA1269908A1 Fire protection systems |
| 06/01/1990 | CA2004462A1 Emergency fuel shut-off valve |
| 05/31/1990 | DE3840047A1 Device for the suppression of air pressure waves and suction waves |
| 05/31/1990 | DE3839901A1 Probenbehaelter zum aufschliessen von probenmaterial Probenbehaelter to catch up of specimen |