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)
05/1999
05/19/1999EP0916879A1 Spool
05/19/1999EP0916047A1 Dual plate check valve
05/05/1999CN1043268C Method for cleaning double-seat valves and valve device for performing method
05/04/1999US5899435 Molded rubber valve seal for use in predetermined type valves, such as, a check valve in a regenerative desiccant air dryer
05/04/1999CA2172785C Two-piece check valve assembly
04/1999
04/29/1999WO1999020926A1 Improved stem valve stopper
04/29/1999CA2300050A1 Improved stem valve stopper
04/28/1999EP0911558A2 Valve for corrosive fluids
04/28/1999CN2316528Y Valve body
04/27/1999CA2141665C Air seal valve
04/21/1999CN2315394Y Regulating valve for material flow
04/21/1999CN2315372Y Two-piece type plastic ball valve
04/07/1999CN2313112Y Ball valve of preventing medium from detaining
04/06/1999US5890659 Valve closing body and process and device for producing sealing seats on valve closing bodies
03/1999
03/30/1999US5888638 Sealing element, particularly for shut-off and regulating valves, and process for its production
03/30/1999US5887620 Porous ceramic material and producing method of same, and valve unit
03/23/1999US5884898 Butterfly valve for hot fluid
03/09/1999CA2127280C Valve device
02/1999
02/17/1999CN1042169C Rotary valve
02/10/1999CN2307165Y Stainless ball valve ball
01/1999
01/19/1999CA2088508C Shock absorbing means for flow control devices
01/13/1999CN2303984Y Rubber-covered flashboard valve
01/12/1999CA2112718C Rotary valve
12/1998
12/30/1998EP0887577A1 Metallic composite spring seal and its manufacturing procedure
12/29/1998US5853839 Composite disk
12/23/1998CN2301589Y Corrosion-resistant valve
12/22/1998US5850946 Metering device
12/16/1998EP0884509A1 Disc valve
12/01/1998US5844463 Process and device for regulating the temperature of a fluid
11/1998
11/17/1998CA2143114C Fluid flow check valve
11/12/1998WO1998050716A1 Butterfly valves
11/03/1998US5829735 Disc valve
11/03/1998US5829477 Fluid pressure regulator
10/1998
10/27/1998US5826336 Process for the production of series-produced valves used in heating, ventilating and air-conditioning systems
10/22/1998DE19716185A1 Electromagnetic pressure control valve
10/20/1998US5823510 Sintered ceramics material and disk valve assembly
10/14/1998EP0870137A1 Valve
09/1998
09/22/1998US5810041 Pressure regulator
09/16/1998EP0660733B1 Fluid flow check valve
09/16/1998CN2291546Y Floating wedge sluice valve
09/15/1998US5806557 Water-operated hydraulic control valve
09/08/1998US5803112 For installation in a fluid conduit
09/02/1998CN2289924Y Titanium steel combination valve
08/1998
08/20/1998DE19705453A1 Water tap valve ring surface
08/19/1998EP0859179A2 Cryogenic valve
08/19/1998EP0859175A2 Valve
08/19/1998EP0858420A1 Low-friction valve stem
08/12/1998EP0857903A2 Lift valve
07/1998
07/21/1998US5782268 Spool valve and process for manufacturing the same
07/16/1998WO1998030820A1 Valve cartridge for lift valve having the closing pressure on the sealing limited
07/15/1998CN2286263Y One-way valve silicon rubber pad
07/07/1998US5775363 Double seat valve with a controlled leakage cavity
07/01/1998EP0851160A1 Flow force compensating method and flow control valve of spool type using the same method
07/01/1998EP0760919B1 Sanitizable slider diaphragm valve
05/1998
05/26/1998US5755261 Valve assembly
05/20/1998EP0842839A2 Dmper valve arrangement.
05/13/1998EP0841094A2 Sample vial and vial closure device for use in gas analysis and method of using the same
05/05/1998US5746252 Three-way hot air divert valve
04/1998
04/16/1998WO1998015467A1 Grommet cup packing made of elastomeric material for hydraulic apparatus
04/01/1998CN1177692A Moulded rubber valve-sealer for mode-presetted valve
03/1998
03/25/1998EP0670979B1 Shock absorbing means for flow control devices
03/18/1998EP0829667A2 Moulded rubber valve seal for a valve
03/12/1998WO1998010208A1 Modular regulator
03/05/1998DE19738351A1 High-pressure fuel injection system for internal combustion engine
03/03/1998US5722637 Seals
02/1998
02/25/1998EP0825422A1 A metering device
02/19/1998DE19633017A1 Regulator valve passage incorporates opening angled to control piston
02/05/1998WO1998004857A1 Dual plate check valve
02/05/1998CA2261035A1 Dual plate check valve
01/1998
01/22/1998DE19628577A1 Bathroom or sanitary ware water valve washer
12/1997
12/17/1997CN1168118A Valve obturator and method and device for producing sealing surface on such obturator
12/09/1997US5695317 Steam turbine
11/1997
11/19/1997EP0807571A1 Pressure regulator
11/19/1997EP0807005A1 Valve obturator and method and device for producing the sealing surface on such obturators
11/18/1997US5688728 Porous ceramic material
11/04/1997US5682921 To control flow in a fluid transmission conduit in a subterranean well
10/1997
10/21/1997US5678803 Fluid controller
10/01/1997CN2263739Y Long service life type tap ceramic spool
09/1997
09/23/1997US5669412 Two-piece check valve assembly
09/17/1997CN1159406A Two-piece check valve assembly
09/10/1997EP0793735A1 Packing element, in particular for shutting-off and regulating means, and process for producing the same
08/1997
08/21/1997DE19605714A1 Return, flap or combined valve with housing
08/19/1997US5658838 Alumina-based ceramic for sintering, method of manufacture and sliding parts obtained thereby
08/06/1997EP0787220A1 Packing element, in particular for shutting-off and regulating means, and process for producing the same
07/1997
07/30/1997EP0786307A1 Spool valve and process for manufacturing the same
07/29/1997US5652189 Ceramic composition for sintering into sliding parts containing oxides of aluminum, manganese, titanium, silicon, cobalt, magnesium, iron in specified amounts
07/23/1997EP0785384A1 Two-piece check valve assembly
07/17/1997WO1997025559A1 Valve
07/10/1997DE19600275A1 Ventil Valve
06/1997
06/12/1997WO1997020659A1 Valve obturator and method and device for producing the sealing surface on such obturators
06/12/1997DE19545333A1 Ventilschließkörper und Verfahren und Vorrichtung zur Herstellung von Dichtsitzen an Ventilschließkörpern Valve-closing body and method and apparatus for the production of sealing seats on valve-closing bodies
06/11/1997EP0778395A2 Steam turbine
05/1997
05/27/1997US5633094 Valve having facing layers of co-free Ni-base Alloy
05/09/1997WO1997016360A1 Low-friction valve stem
05/07/1997CN1149333A Sanitizable slider diaphragm valve
04/1997
04/29/1997US5624625 Process for the preparation of ceramic materials free from auto-adhesion under and during aging
04/16/1997EP0768591A1 Method and device for fluid temperature control.
04/02/1997CN1146375A Self-grind of silicon nitride
03/1997
03/26/1997EP0651868B1 Valve
03/12/1997EP0760919A1 Sanitizable slider diaphragm valve
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