| Patents for F16K 51 - Other details not peculiar to particular types of valves or cut-off apparatus (6,025) |
|---|
| 03/06/1990 | US4905863 Vent for portable gas tank or the like |
| 02/27/1990 | US4903938 Micro flow control valve |
| 02/27/1990 | US4903937 Isolation valve for vacuum and non-vacuum application |
| 02/20/1990 | US4901751 Fluid control valve and system with leak detection and containment |
| 02/20/1990 | CA1265975A1 Waste water restrictor |
| 01/31/1990 | CN2052096U Watering head of water tap |
| 01/10/1990 | EP0349816A2 Drainage valve |
| 01/02/1990 | US4890814 Discharge valve with handle lock |
| 01/02/1990 | US4890640 Drainage valve |
| 12/12/1989 | US4886085 Vacuum check valve and method of control |
| 11/21/1989 | US4881574 Enclosed rotary disc air pulser |
| 11/14/1989 | US4880029 Drain valve |
| 10/12/1989 | DE3838410A1 Shut-off valve for vacuum pumps |
| 09/13/1989 | EP0332167A1 Filtered stop |
| 08/22/1989 | US4858641 Shut-off valve |
| 08/02/1989 | EP0325732A1 Plug for closing and sealing a cylindrical bore in a housing |
| 07/19/1989 | CN1034048A Double block and vent system |
| 07/05/1989 | CN2040573U Antifreeze valve |
| 06/15/1989 | DE3740708A1 Vacuum valve |
| 06/13/1989 | US4838520 Valve for a vacuum enclosure |
| 06/06/1989 | US4836242 Pressure reducer for pure gases |
| 05/23/1989 | US4832077 Filtered stop |
| 05/17/1989 | EP0316127A1 Double block and vent valve system |
| 03/29/1989 | EP0309181A2 Isolation valve for vacuum and non-vacuum application |
| 03/07/1989 | US4809950 Valve slide with slide housing |
| 02/28/1989 | US4807847 Valved oil pan plug |
| 02/22/1989 | EP0303860A2 Safety valve for the outer vessel of a double wall vacuum-insulated storage tank for low boiling liquified gases |
| 02/14/1989 | US4804017 Brake bleeder valve apparatus having integral check valve and method for bleeding brakes |
| 02/01/1989 | CN1030821A Static high-vacuum valve |
| 01/17/1989 | US4798223 Double block and vent valve system |
| 01/05/1989 | DE3720001A1 Vacuum valve |
| 01/03/1989 | US4795131 Vacuum controller |
| 12/28/1988 | EP0296442A1 Valve for vacuum container |
| 12/07/1988 | EP0293570A1 Cut-off valve |
| 11/23/1988 | EP0292343A1 Drain valve for a tank, especially for heat-insulated tanks |
| 11/23/1988 | EP0292115A2 A valve and filter assembly |
| 11/23/1988 | CN87217105U Propelling greaseless vacuum valve |
| 11/22/1988 | US4785962 Vacuum chamber slit valve |
| 11/22/1988 | US4785851 Vacuum security valve having a buffer volume |
| 11/17/1988 | EP0291399A1 Expander for pure gases |
| 11/01/1988 | US4781217 Pulse-irrigation method and apparatus |
| 10/27/1988 | DE3711293A1 Rapid-closure straight-way (straight-through) valve of a vacuum protective system |
| 09/28/1988 | CN87214855U Anti-siphon valve |
| 09/21/1988 | CN87216617U Water interruption delaying device for water tap |
| 08/23/1988 | US4765365 Faucet spring |
| 07/19/1988 | CA1239329A1 Flow control valve |
| 07/07/1988 | DE3643069A1 Sliding valve |
| 06/28/1988 | US4753417 Gate valve for vacuum processing apparatus |
| 06/28/1988 | US4753266 Valve assembly |
| 06/28/1988 | US4753260 Fluid device |
| 05/31/1988 | US4747577 Gate valve with magnetic closure for use with vacuum equipment |
| 04/27/1988 | EP0264466A1 Bellow valve |
| 04/21/1988 | DE3734050A1 Gasflaschenventil Gas cylinder valve |
| 04/20/1988 | CN87207424U Anticorrosive vacuum valve |
| 04/20/1988 | CN87106726A Liquid gas cylinder valve device |
| 03/22/1988 | US4732193 Fluid driven device connected into a fluid supply system |
| 03/15/1988 | US4730996 Rotary compressor with two discharge valves having different frequencies |
| 03/09/1988 | EP0258475A1 Vacuum sliding valve |
| 01/26/1988 | US4721282 Vacuum chamber gate valve |
| 01/20/1988 | CN87208437U 组合真空阀 Combination vacuum valve |
| 01/12/1988 | US4718637 High vacuum gate valve having improved metal vacuum joint |
| 01/12/1988 | CA1231331A1 Adaptor for wafer valves |
| 01/06/1988 | CN87202705U Device for storing and replacing the clack and stuffing in the valve |
| 11/24/1987 | US4708171 Drain valve |
| 09/10/1987 | DE3606952A1 Collecting tank with sealing and draining screw for water precipitated from compressed air |
| 07/21/1987 | US4681329 High vacuum gate valve having improved metal vacuum seal joint |
| 07/02/1987 | DE3643152A1 Ultra high vacuum valve |
| 05/07/1987 | WO1987002752A1 Control stop for flushing system |
| 04/15/1987 | CN85107442A Globe valve having a dismountable seat for rapid maintenance |
| 03/31/1987 | US4653525 Fluid flow control valve |
| 03/24/1987 | US4651776 Fluid pressure control valve for hydraulic actuator |
| 03/17/1987 | US4649955 Pulsed gas supply |
| 03/10/1987 | CA1218901A1 Slide gate valve for dry bulk discharging containers |
| 03/03/1987 | US4647011 Magnetic valve for use with vacuum |
| 02/10/1987 | US4641677 Coaxial operating rod and packing seal for top-operated, bottom outlet valve in railway tank car and method of aligning same |
| 02/10/1987 | CA1217694A Automatic cleaning and metering device |
| 01/06/1987 | US4633908 Manually operated mode-selecting valve device |
| 12/16/1986 | US4628958 Ring valve |
| 12/09/1986 | US4627599 Sealing mechanism for high vacuum valve |
| 11/25/1986 | US4624444 Control stop for flushing system |
| 09/23/1986 | US4613111 Valve which is opened by reduced pressure |
| 08/26/1986 | US4607820 Rotating gate valve |
| 08/20/1986 | EP0191716A2 Pulsator device for converting fluid pressure to a pulsating pressure |
| 07/08/1986 | US4598730 Flow control valve |
| 05/28/1986 | EP0182644A1 Fluid flow control valve |
| 04/29/1986 | US4584781 Low friction vacuum valve and drying apparatus |
| 04/23/1986 | EP0045785B1 A fluid device |
| 03/05/1986 | EP0173571A2 Ball-type vacuum valve for leak detection apparatus |
| 03/05/1986 | EP0173115A2 Solenoid valve for vacuum application |
| 01/14/1986 | US4564040 Faucet and liquid supply tube therefor |
| 01/07/1986 | US4562992 Seal device for gate valve |
| 12/24/1985 | US4560141 Vacuum gate valve |
| 12/17/1985 | US4558587 Ball-type vacuum valve for leak detection apparatus |
| 10/29/1985 | US4549440 For internal combustion engines |
| 10/16/1985 | EP0158440A2 Fluid sampling valve |
| 07/17/1985 | EP0148480A2 Valve opened by vacuum |
| 07/02/1985 | US4526341 Pneumatic shut-off valve |
| 06/04/1985 | US4520993 Metering valve |
| 05/21/1985 | CA1187376A1 Valve assembly |
| 05/15/1985 | EP0062060B1 Back-flow prevention valve |