| Patents for F16K 17 - Safety valves; Equalising valves (21,027) |
|---|
| 05/30/1993 | CA2083986A1 Safety valve for compressed gas cylinders |
| 05/27/1993 | WO1993010387A1 Pressure difference relief valve for liquid containers |
| 05/27/1993 | WO1993010386A1 Seat-type pressure-relief valve |
| 05/26/1993 | EP0542945A1 Flow-control valve. |
| 05/26/1993 | EP0531316A4 Hydrostatic drain plug |
| 05/26/1993 | CN1020943C Low pressure recirculation valve |
| 05/25/1993 | US5213304 Valve |
| 05/25/1993 | US5213133 Pressure responsive pilot control valve |
| 05/25/1993 | US5213128 Pressure/temperature-activated pressure relief valve |
| 05/25/1993 | US5213127 Vacuum valve for use in an emergency system for reducing the risk of escape from injuries under the waterline of tankers |
| 05/19/1993 | CN2133870Y Self-force type pressure regulator |
| 05/19/1993 | CN2133735Y Automatic stationary flow valve |
| 05/19/1993 | CN2133734Y Pneumatic decompression two positon two-way combined valve |
| 05/19/1993 | CN2133722Y Low-pressure automatic close valve for piping gas |
| 05/19/1993 | CN1072252A Automatically closing off safety device particularly suitable for gas pressure reducing station |
| 05/18/1993 | CA1317851C Adjustable safety relief valve |
| 05/18/1993 | CA1317850C Safety valve actuator assembly |
| 05/13/1993 | DE4136979A1 Druckbegrenzungsventil in sitzbauweise Pressure relief valve seat construction method |
| 05/12/1993 | EP0367763B1 Pressure drop hose valve |
| 05/12/1993 | CN2132897Y Pipeline security valve |
| 05/12/1993 | CN2132896Y Forerunner pressure valve |
| 05/12/1993 | CN2132895Y Pressure-reducing valve of water feeder for mine |
| 05/12/1993 | CN2132894Y Self-boosting pressure regulating relve |
| 05/11/1993 | US5209454 Automatic safety shutoff valve |
| 05/11/1993 | US5209253 Emergency shutoff valve and regulator assembly |
| 05/11/1993 | US5209252 Earthquake gas shut-off valve |
| 05/06/1993 | DE4135865A1 Pressure limitation valve in hydraulic plant - has seat body receiving pressure medium flow in lift direction and piston-shaped attachment in outflow direction |
| 05/05/1993 | CN2132054Y Rotational speed controlled flow valve |
| 05/05/1993 | CN2132053Y Nut-cap-type escape valve used in low temp. |
| 05/05/1993 | CN2132052Y 真空气路安全阀 True Air Road safety valve |
| 05/05/1993 | CN2132051Y Two-stage protection civil safety gas pressure regulator |
| 05/05/1993 | CN2132050Y Fuel gas energy-saving purifying safety valve |
| 05/05/1993 | CN1071743A Double-parameter regulating valve |
| 05/04/1993 | US5207243 Two-way piston check valve |
| 04/28/1993 | CN2130991Y Double guide type pressure reducing valve |
| 04/28/1993 | CN2130990Y Negative pressure type automatic gas supplement device |
| 04/28/1993 | CN2130989Y Constant-pressure valve set |
| 04/28/1993 | CN2130988Y Liquid gas pressure regulating valve |
| 04/28/1993 | CN2130987Y Differential limit ultra-high-pressure overflow valve |
| 04/27/1993 | US5205321 Two-way hydraulic valve with one way time delay |
| 04/27/1993 | US5205311 Compound lever controlled spill valve |
| 04/27/1993 | US5205069 High speed door assembly |
| 04/27/1993 | CA1316843C Vented fuel tank cap and valve assembly |
| 04/21/1993 | EP0229841B1 Reducing valve |
| 04/21/1993 | CN2130226Y Oil pressure automatic adjusting controller |
| 04/21/1993 | CN2130225Y Double valve water supply pressure reducing valve |
| 04/21/1993 | CN1071239A Bulk solids feed valve |
| 04/20/1993 | US5203372 Jet-flow pressure relief vent |
| 04/20/1993 | US5203365 Excess flow check valve capsule |
| 04/15/1993 | DE4133424A1 Full stroke safety valve - has ring space under piston ring face, connected via bore and control chamber, to relief bore |
| 04/13/1993 | US5201336 Fire safe valve |
| 04/07/1993 | CN1020240C Pressure-medium-operated valve |
| 04/06/1993 | US5199454 Valve structure |
| 04/03/1993 | CA2078891A1 High speed door assembly |
| 04/01/1993 | WO1993006397A1 Fire-protection valve with shutting spring for automatically shutting off conduits |
| 04/01/1993 | DE4131859A1 Brandschutzventil mit schliessfeder zum automatischen absperren von leitungen Fire protection valve closing spring for automatic shut off of lines |
| 03/30/1993 | US5197671 Pressure relief valve with thermal trigger and movable seal plug |
| 03/30/1993 | CA1315175C Automatic fluid flow shut-off device |
| 03/24/1993 | EP0533063A1 Automatic flow limiting device particularly for containers of pressurized fluids |
| 03/24/1993 | CN2128687Y Emergency safety accurate adjustment device for fuel gas |
| 03/24/1993 | CN2128686Y Safe compression release valve for liquid gas |
| 03/24/1993 | CN2128685Y Household low pressure petroleum liquid gas fire retardant explosion-proof valve |
| 03/23/1993 | US5195556 Pressure relief valve |
| 03/23/1993 | CA1314783C Fire isolation device |
| 03/23/1993 | CA1314782C Hose rupture valve |
| 03/17/1993 | EP0532402A1 Automatic stop- and safety device, especially for gas expansion stations |
| 03/17/1993 | EP0531609A1 Atmospheric pre-steaming chip bin vacuum and pressure relief device |
| 03/17/1993 | EP0531316A1 Hydrostatic drain plug |
| 03/16/1993 | US5193579 Internal combustion engine lubricating oil filter valve |
| 03/16/1993 | US5193578 Irrigation line drain valve |
| 03/16/1993 | US5193576 Pressure regulator |
| 03/16/1993 | US5193569 Emergency shut-off valves |
| 03/11/1993 | DE4129799A1 Pressure limiting valve for hydraulic jacks in mine - has simple set and release mechanism and non-return valve all integral with jack |
| 03/10/1993 | EP0531262A2 Safety valve for pressure vessels such as coffee machines, electric iron boilers, steam floor washing machines and the like |
| 03/10/1993 | EP0530945A1 Flash gas venting and flame arresting apparatus |
| 03/09/1993 | US5191991 Housings with safety pressure relief means thereon |
| 03/09/1993 | US5191990 Flash gas venting and flame arresting apparatus |
| 03/03/1993 | EP0529880A2 Orientation sensitive valve for ink-jet pen |
| 03/02/1993 | US5190072 Relief valve assembly for recyclable pressure vessels |
| 02/25/1993 | DE4128007A1 Safety valve with spring and spring plate - has complete surface contact between bearing face of ribs and pressure ring for better force transfer |
| 02/25/1993 | DE4127568A1 Safety valve for pressurised systems - has second spring for more accurately meeting desired function values |
| 02/23/1993 | US5188337 Control valve with pressure equalization |
| 02/23/1993 | US5188140 Breather valve |
| 02/18/1993 | WO1993003301A1 Excess flow valve |
| 02/16/1993 | US5187316 Passive explosion protection device |
| 02/16/1993 | US5186432 Safety valve |
| 02/16/1993 | US5186201 Check valves |
| 02/16/1993 | US5186198 Relieving an excess gas pressure |
| 02/07/1993 | CA2075318A1 Excess flow valve |
| 02/03/1993 | EP0525044A1 Safety valve system |
| 02/03/1993 | CN2126724Y Cut off-equalising combined gas pressure regulating valve |
| 02/02/1993 | US5183075 Check valve |
| 02/02/1993 | US5183071 Counterbalance valve |
| 01/27/1993 | EP0524882A1 Valved closure cap |
| 01/27/1993 | EP0524735A1 Pressure regulator |
| 01/21/1993 | WO1993001435A1 Check valve |
| 01/21/1993 | DE4218334A1 Fluid actuating cylinder valve - has pressure exerted on piston skirt only, allowing continuous piston operation |
| 01/20/1993 | EP0523954A2 Surge relief valve |
| 01/19/1993 | US5180443 Pressure-relief valve with stepped or double piston |
| 01/12/1993 | CA1312527C High temperature safety relief system |