| Patents for F16K 17 - Safety valves; Equalising valves (21,027) |
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| 02/16/1999 | US5871109 Railcar cushion device preload valving systems |
| 02/11/1999 | DE19734020A1 Vorgesteuertes Druckbegrenzungsventil Pilot operated pressure relief valve |
| 02/11/1999 | DE19729983A1 Self-operating gas fire prevention safety valve with curved interface |
| 02/10/1999 | CN2307163Y Oil feed valve for oil-well pump |
| 02/10/1999 | CN2307162Y Non-adjusting relief valve |
| 02/09/1999 | US5868159 Pressure-based mass flow controller |
| 02/04/1999 | WO1999005439A1 Countertorque assembly for automatic valve actuator |
| 02/03/1999 | CN2306374Y Airlock type gas pressure reducing valve |
| 02/03/1999 | CN2306373Y Valve ball type automatic uniform pressure valve |
| 02/03/1999 | CN1206782A Reciprocative moving type compressor |
| 01/27/1999 | EP0893633A1 Safety valve for high-pressure hydraulics |
| 01/27/1999 | EP0832387A4 Spring loaded bellows regulator |
| 01/27/1999 | CN2305532Y Over pressure safety dynamic and static sealed directional discharge valve |
| 01/27/1999 | CN2305531Y 可控虹吸阀 Controlled-siphon valve |
| 01/27/1999 | CN2305530Y Two stage pressure reducing integrated gas pressure reducer |
| 01/27/1999 | CN1206083A Valve guide structure |
| 01/26/1999 | US5863421 Hemodialysis machine with automatic priming by induced pressure pulses |
| 01/26/1999 | CA2162240C Piston-type thermally activated relief device |
| 01/21/1999 | DE19730934A1 Gas generator for safety system in vehicle |
| 01/20/1999 | EP0836702B1 Cut-off member with a fire-protection valve for a gas meter, and gas meter provided therewith |
| 01/20/1999 | CN2304856Y Temperature regulator for water heater |
| 01/20/1999 | CN2304792Y Pressure reducing valve for liquid fuel |
| 01/19/1999 | US5860458 Two-stage ORVR control valve |
| 01/19/1999 | US5860446 Method and apparatus for safely controlling fluid flow |
| 01/19/1999 | US5860443 Rapid release mechanism with damping control |
| 01/19/1999 | US5860442 Fluid pressure shutoff and relief valve |
| 01/19/1999 | CA2088508C Shock absorbing means for flow control devices |
| 01/13/1999 | EP0890717A2 Thermostat device |
| 01/13/1999 | EP0836690A4 Flood control device |
| 01/12/1999 | US5857525 Inert gas fire fighting system having a pressure control valve |
| 01/12/1999 | US5857487 For preventing an excessive flow of water through an outlet pipe |
| 01/12/1999 | US5857486 Pressure relief or back pressure valve |
| 01/09/1999 | CA2217386A1 Thermostat device |
| 01/07/1999 | EP0842376A4 Dual pilot manifold assembly for a safety relief valve |
| 01/07/1999 | EP0647301B1 Pressure relief valve |
| 01/05/1999 | US5856615 Relief valve testing mechanism |
| 01/05/1999 | US5855225 Tank transport pressure relief valve assembly |
| 01/05/1999 | CA2125388C An intake manifold relief valve |
| 12/30/1998 | WO1998058676A1 Pharmaceutical composition having enhanced antitumor activity and/or reduced side effects, containing an antitumor agent and an hydroxamic acid derivative |
| 12/30/1998 | EP0887580A1 Hydraulically pilot-controlled pressure valve |
| 12/30/1998 | CN2302379Y Single-body hydraulic prop three-purpose valve |
| 12/29/1998 | US5853019 Earthquake activated valve |
| 12/29/1998 | CA2142514C Crashworthy solenoid actuated valve for cng powered vehicle |
| 12/29/1998 | CA2122087C Method for automatically circulating, and then halting, circulation of waste water in a waste water pump station and a valving device therefor |
| 12/24/1998 | DE19725727A1 Directly-controlled automotive hydraulic pressure limiting valve |
| 12/23/1998 | EP0885804A1 Device for draining a fuel tank |
| 12/17/1998 | WO1998057077A1 Retrofittable safety shut-off valve for gas or liquid meter |
| 12/17/1998 | WO1998057076A1 Pump protection fitting |
| 12/17/1998 | CA2263438A1 Pump protection fitting |
| 12/17/1998 | CA2240781A1 Multi-stage check valve |
| 12/16/1998 | EP0884508A1 Safety valve |
| 12/16/1998 | EP0883765A1 Thermal safety device for automatically blocking pipes |
| 12/16/1998 | EP0883764A1 Flame-retardant pressure equalizing valve |
| 12/16/1998 | EP0883753A1 Load-holding brake valve |
| 12/16/1998 | CN2300774Y Variable volume constant pressure automatic compensation regulator |
| 12/16/1998 | CN2300773Y 安全阀 Safety valve |
| 12/15/1998 | US5848604 Thermally responsive pressure relief system |
| 12/10/1998 | DE19724511C1 Pumpenschutzarmatur Pump protection valve |
| 12/09/1998 | EP0882918A2 Thermally actuated safety valve |
| 12/09/1998 | EP0792239A4 Low burst pressure, multiple domed, scored rupture disc |
| 12/09/1998 | CN2299972Y Automatic exhaust valve for indoor radiator |
| 12/08/1998 | US5845675 Diaphragm/spring actuated pressure relief valve with pressure balanced outlet and fail-safe operation |
| 12/03/1998 | WO1998054498A1 Shield for pressure relief device |
| 12/03/1998 | WO1998054497A1 Encapsulated elastomeric relief valve |
| 12/03/1998 | WO1998054496A1 Fluid-activatable shut-off device |
| 12/03/1998 | DE19809143A1 Pressure control valve for fluids |
| 12/02/1998 | CN2299198Y Special breathing valve of pot |
| 12/02/1998 | CN1200448A Electronic automatically speed changing oil pump |
| 12/01/1998 | US5842504 Safety valve for an inverted liquid-filled canister |
| 12/01/1998 | US5842501 Pilot operated safety relief valve |
| 12/01/1998 | US5842455 In a fuel tank of a fuel delivery system |
| 12/01/1998 | CA2000755C Rupture disc |
| 11/25/1998 | CN2298393Y Pressure reducing valve for hot water |
| 11/25/1998 | CN2298392Y Anti-block pressure limiting valve for pressure cooker |
| 11/25/1998 | CN2298391Y Pressure reducing valve with air leak display |
| 11/25/1998 | CN2298390Y 安全阀 Safety valve |
| 11/24/1998 | CA2120025C Fire-protection valve with shutting spring for automatically shutting off conduits |
| 11/19/1998 | WO1998051950A1 Safety shut off valve and method of automatic flow restoration |
| 11/19/1998 | WO1998051948A1 Spring body excess flow valve and method of using same |
| 11/19/1998 | DE19720613A1 Emergency gas shut-off valve activated by fire |
| 11/19/1998 | DE19720612A1 Spring-operated emergency gas shut-off valve |
| 11/19/1998 | DE19719745A1 Hydraulic pressure valve installation for tipping mechanism of tip-up truck |
| 11/19/1998 | DE19709746C1 Mechanical press overload safety valve |
| 11/18/1998 | EP0877975A1 Pressure compensating hydraulic control valve system |
| 11/17/1998 | US5836351 Vent device |
| 11/17/1998 | US5836349 For controlling the flow of a fluid in a conduit |
| 11/17/1998 | US5836348 Pilot controlled blanketing valve |
| 11/17/1998 | US5836338 Thermal safety device for automatically sealing conduits |
| 11/17/1998 | US5836337 Large diameter low pressure relief valve |
| 11/17/1998 | US5836269 Coolant circuit of an internal-combustion engine |
| 11/12/1998 | DE19719636A1 Hydraulic device with adjustable pump to supply two consumers |
| 11/11/1998 | EP0877204A1 Safety device, especially for gas apparatus |
| 11/11/1998 | EP0777792A4 Toilet with magnetic check valve |
| 11/11/1998 | CN2296943Y Device for full-automatic exhausting and enhancing heat radiation energy of heating installation |
| 11/10/1998 | US5832949 Control valve |
| 11/10/1998 | US5832947 Gas shut-off and pressure relief valve for a high pressure gas vessel |
| 11/10/1998 | CA2130383C Pressure surge resistant rupture disk assembly |
| 11/05/1998 | WO1998049431A1 Two-step regulating valve |
| 11/03/1998 | US5829560 Valve assembly in a hydraulic control for a ratio controller in a power transmission |
| 11/03/1998 | US5829477 Fluid pressure regulator |