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 25 - Details relating to contact between valve members and seats
Patents for F16K 25 - Details relating to contact between valve members and seats (2,498)
01/1987
01/07/1987CN85104939A Throttle valve
12/1986
12/30/1986EP0205753A1 Valve
12/30/1986EP0205666A1 Shut-off and control unit with butterfly valve
12/30/1986EP0205627A1 Process for obtaining a leakless double-seat valve with washing of the seats, and device for carrying out the process
12/18/1986WO1986007428A1 Shut-off and regulating unit with a closure flap valve
12/18/1986WO1986007426A1 Ceramic shut-off and regulating unit
12/17/1986EP0204869A1 Ceramic shut-off and control unit
11/1986
11/05/1986EP0124567B1 Valves
11/04/1986US4620328 Lavatory system for use in potentially vandalized areas
10/1986
10/21/1986US4617962 Hydraulic device
10/21/1986US4617955 Stop or switch valve for fluids
10/21/1986CA1212886A1 Anti-cavitation valve assembly
10/14/1986CA1212657A1 Valve seal
10/01/1986EP0196093A1 A process for treating an article made of metal selectec from tantalum, niobium and tantalum-niobium alloy
10/01/1986EP0195933A2 Fluid-tight seal for lift valves
08/1986
08/14/1986WO1986004658A1 Hard material seal members having a low friction coefficient
08/14/1986WO1986004548A1 Process of manufacturing seal members having a low friction coefficient
08/12/1986US4605035 Double seat valve
06/1986
06/25/1986EP0185204A2 Gate valve
06/17/1986CA1206130A1 Valve body with powdered metal lining and method for making the same
05/1986
05/28/1986EP0182644A1 Fluid flow control valve
05/21/1986EP0181570A1 Valve
05/21/1986CN85204005U Ridge diaphragm valve with combined lower valve body
05/16/1986EP0144326A4 Gate valve.
05/10/1986CN85108735A Control valve
05/06/1986US4586464 Animal-drinking valve
04/1986
04/29/1986US4584723 Fitting for connecting a plumbing faucet to plumbing pipes
04/02/1986EP0175728A1 Shut off and regulation apparatus with a pivoted closure member
03/1986
03/11/1986CA1201653A1 Drilling choke valve
02/1986
02/04/1986US4568061 Flow control assembly
12/1985
12/24/1985CA1198403A2 Shut-off valve for high temperature erosive flow
12/10/1985US4557463 High pressure fluid control valve
11/1985
11/19/1985US4553736 Pneumatic plunger-type valve
11/13/1985EP0160841A1 Erosion resistant soft seated valve trim
11/12/1985US4552167 Method of and device for cleaning hollow spaces in double seat valves
10/1985
10/22/1985US4548223 Method and valve for preventing electrokinetic induced corrosion erosion of metering edges in hydraulic valves
10/10/1985WO1985004460A1 Shut off and regulation member for conduits and the like with a slide-like closing part
09/1985
09/24/1985US4542879 Shutoff valve for a steam distribution system
09/18/1985EP0155042A1 An apparatus for discharging dirty liquid from a vessel under pressure
08/1985
08/20/1985US4535801 Multi-purge gate valve for particulate solids flow
07/1985
07/30/1985US4531545 Drilling choke valve
06/1985
06/19/1985EP0144852A2 Drinking valve for animals
06/19/1985EP0144326A1 Gate valve
05/1985
05/21/1985CA1187466A1 Valve with improved sealing structure
05/15/1985EP0140939A1 Drilling choke valve
05/14/1985US4516596 System for cleaning a three-way valve
05/14/1985CA1186975A1 Zero internal pressure cartridge
05/14/1985CA1186974A1 Cycle valves
05/08/1985EP0140432A2 Shut-off valve
05/07/1985CA1186671A1 Shut-off valve for high temperature erosive flow
04/1985
04/03/1985EP0135751A1 Hydraulic device
03/1985
03/26/1985US4506865 For installation in a pipeline
03/12/1985US4503878 Choke valve
01/1985
01/01/1985US4491300 Valve with improved sealing structure
12/1984
12/05/1984EP0126744A1 A stop or switch valve for fluids.
11/1984
11/14/1984EP0124567A1 Valves.
11/07/1984EP0124230A2 Valve
10/1984
10/24/1984EP0122323A1 Double-seat valve with two valve heads
10/16/1984US4477053 Shut-off valve for high temperature erosive flow
10/16/1984CA1176384A1 Dry product valve
10/16/1984CA1176227A1 High pressure valve
10/11/1984WO1984003924A1 Drilling choke valve
10/03/1984EP0120815A1 A faucet structure, particularly of the single lever type
10/02/1984CA1175318A1 Annular piston valve
09/1984
09/04/1984US4469121 Cycle valves
08/1984
08/28/1984US4467701 Expansible device
08/14/1984CA1172618A1 Erosion resistant valve
08/07/1984US4464628 Relay tester
07/1984
07/19/1984WO1984002758A1 Gate valve
07/17/1984US4460014 Non-mixing valve
07/17/1984CA1170958A1 Streamline coal slurry letdown valve
07/10/1984US4458543 Cleanable sampling valve
06/1984
06/07/1984WO1984002169A1 A stop or switch valve for fluids
05/1984
05/29/1984CA1168063A1 Cleanable sampling valve
05/16/1984EP0108550A2 Improved direct high flow aerosol-type valve with movable cup
05/10/1984WO1984001806A1 Valves
05/08/1984CA1167017A1 Double seated valve
04/1984
04/25/1984EP0106424A1 Valve body and method of producing same
04/24/1984US4444220 High pressure valve
04/10/1984US4441726 Heat and vibration resistant seal
04/10/1984US4441635 Direct high flow aerosol-type valve with moveable cup
03/1984
03/28/1984EP0103710A1 Upper part cartouche for a sanitary single shut-off valve
03/13/1984US4436106 Pipeline switch with leakage control and cleanable leakage cavity
02/1984
02/28/1984CA1162893A1 High viscosity product dispenser
01/1984
01/24/1984US4427023 Dry product valve
01/17/1984CA1160616A1 Valve
12/1983
12/13/1983US4420142 Machine component of oxide ceramic material
12/13/1983CA1158525A1 Double block and vent valve
11/1983
11/29/1983US4417602 Zero internal pressure cartridge
11/22/1983US4416301 Annular piston valve
11/08/1983US4413646 Streamline coal slurry letdown valve
11/01/1983US4412632 Self-cleaning valve
10/1983
10/05/1983EP0090090A2 Method of cleaning the cavities of double seat valves
08/1983
08/10/1983EP0085251A1 Letdown valves
08/09/1983CA1151631A1 Expansible device
07/1983
07/27/1983EP0084131A1 Mixing valves
06/1983
06/07/1983CA1147709A1 Shut-off valve for high temperature erosive flow
05/1983
05/18/1983EP0078912A1 Zero internal pressure cartridge
05/17/1983US4383553 Visbreaker letdown valve
03/1983
03/01/1983US4375275 High viscosity product dispenser
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