| Patents for F16K 41 - Spindle sealings (6,230) |
|---|
| 07/21/1992 | US5131627 Diaphragm valve |
| 07/16/1992 | DE4100862A1 Shut-off valve with bellows sealing - has two internal bellows, one softer than other, activated by shoulder on positioning rod |
| 07/14/1992 | US5129625 Live load packing system |
| 07/14/1992 | US5129624 Valve stem sealing means for prevention of fugitive emissions |
| 07/08/1992 | EP0494064A1 Improved graphite packing |
| 07/07/1992 | US5127661 Fluid seal |
| 07/07/1992 | US5127629 Valve stem flex lip backseat |
| 06/30/1992 | US5125622 Cylinder valve connection |
| 06/25/1992 | WO1992010699A1 Sealing device for rotary valve |
| 06/11/1992 | WO1992009835A1 Diaphragm valve |
| 05/27/1992 | EP0486567A1 Closure |
| 05/20/1992 | EP0485743A1 A valve with valve stem sealing means for prevention of fugitive emissions |
| 05/20/1992 | CN2104983U High temp resisting, anti-pressure, lenkproof valve |
| 05/19/1992 | USRE33928 Fire-safe valve actuator |
| 05/16/1992 | CA2050101A1 Valve stem sealing means for prevention of fugitive emissions |
| 05/06/1992 | CN2103693U Pulling and pushing type internal pressure sealing stop valve |
| 04/29/1992 | EP0483097A1 Zero clearance anti-extrusion rings for containment of PTFE packing |
| 04/29/1992 | EP0483096A1 Packing containment for live loaded fugitive emission seals |
| 04/28/1992 | US5107882 Valve assembly with removable packing |
| 04/22/1992 | CN1016377B Inverted bellows valve |
| 04/15/1992 | EP0480899A2 Live load packing system |
| 04/08/1992 | CN2101154U Valve secondary stuffing-box |
| 02/26/1992 | EP0472138A1 Bottom valve |
| 02/26/1992 | CN2097325U High-temp and-pressure resistant leakless valve |
| 02/25/1992 | US5090658 Bellows sealed rotary valve and seal assembly |
| 02/12/1992 | CN2095973U Cock type top and bottom sealed water tap |
| 02/07/1992 | CA2048410A1 Diaphragm stem seal attachment |
| 02/06/1992 | DE4024560A1 Retro-fitting kit for shut=off devices - seals valve actuating gear from flow chamber using bellows |
| 02/05/1992 | EP0468957A1 A sampling valve. |
| 01/28/1992 | US5083750 Membrane valve |
| 01/28/1992 | US5083749 Plastic needle valve |
| 01/22/1992 | EP0466994A1 Device for forming seal between two components whilst allowing a relative rotation of the components |
| 01/14/1992 | CA1294265C High pressure inverted bellows valve |
| 01/08/1992 | CN2092648U Stuffing type sealing constructure of valve by means of filling sealing agent |
| 01/07/1992 | US5078175 Valve |
| 12/26/1991 | WO1991019919A1 Method and apparatus to facilitate the injection of sealant into a pressurized fluid member |
| 11/28/1991 | DE4016541A1 Stuffing box seal assembly, esp. for armatures - has active seal assembly comprising base, sealing, cover rings and spring loaded passive rings with radial play |
| 11/21/1991 | EP0457755A1 Diaphragm valve |
| 11/14/1991 | DE4101860A1 Valve with flexible bellows seal attached to valve spindle - has member to prevent over extension of bellows |
| 11/12/1991 | WO1991018230A1 Plastic control valve |
| 11/06/1991 | EP0454698A1 Spindle sealing for a shut-off fitting. |
| 11/05/1991 | CA1291741C Valve with compressible valve stem and valve body seals |
| 10/31/1991 | WO1991016563A1 Drive for the operating spindle of a stop or diversion fitting |
| 10/24/1991 | DE4012425A1 Schwenkantrieb mit integrierter hermetischer abdichtung fuer spindeldurchfuehrungen Rotary actuator with integrated hermetic seal for spindeldurchfuehrungen |
| 10/23/1991 | EP0452374A1 Universal control valve. |
| 10/22/1991 | US5058861 Bellows seal and method for assembling |
| 10/22/1991 | CA1291105C Inverted bellows valve |
| 10/16/1991 | CN2086838U Mechanical sealing device of end face for butterfly bamper |
| 10/16/1991 | CN2086828U Valve without padding |
| 10/15/1991 | US5056759 Protected bellows for valve |
| 10/15/1991 | US5056758 Valve stem packing structure |
| 10/15/1991 | US5056757 Packing containment for live loaded fugitive emission seals |
| 10/02/1991 | CN2085894U Full-enclosed concealed-rod type valve series |
| 10/01/1991 | US5052658 Valve seal apparatus |
| 10/01/1991 | US5052427 Method and apparatus to facilitate the injection of sealant into a pressurized fluid member |
| 09/24/1991 | US5050894 Sealing device designed to achieve sealing between two parts having a possibility of relative rotation to a limited extent |
| 09/24/1991 | US5050843 Plug valve with metal-to-metal sealing |
| 09/24/1991 | CA2038124A1 Color change valve assembly |
| 09/11/1991 | CN1013895B Safety valve for control |
| 09/04/1991 | CN2084143U Cone valve driving spindle sealing device |
| 09/03/1991 | US5044606 Valve stem and packing assembly |
| 08/28/1991 | CN2083663U Non leakage stop valve |
| 08/27/1991 | US5042527 Valve for fluid dispensing system |
| 08/21/1991 | CN2083223U Corrosion-resisting valve |
| 08/08/1991 | WO1991011644A1 Needle packing assembly |
| 08/08/1991 | WO1991011642A1 Bellows valve |
| 08/07/1991 | CN2082349U Sealing structure for inner valve rod |
| 08/06/1991 | US5037065 Ball valve |
| 08/01/1991 | DE4001233A1 Absperrarmatur Shut-off |
| 07/31/1991 | CN2081926U Valve sealed by both sealing ring and disk |
| 07/30/1991 | CA1287036C Diaphragm valve |
| 07/25/1991 | WO1991010855A1 Shut-off fitting with sealing device |
| 07/24/1991 | EP0438285A2 Valve assembly for high pressure water shut-off gun |
| 07/23/1991 | US5033495 Corrosion resistant enameled valve |
| 07/18/1991 | DE4042035A1 Valve spindle seal - consists of stuffing box with elastic sealing ring in groove on holder ring |
| 07/17/1991 | CN2081017U Electric water tap |
| 07/16/1991 | US5031923 Valve stem seal |
| 07/09/1991 | US5029813 Diaphragm stem seal attachment |
| 06/26/1991 | CN2079689U Full sealing leakless water tap |
| 06/19/1991 | CN2079237U Inside/outside leakage-proof plunger stopping valve |
| 06/18/1991 | CA1284979C Metering valve |
| 06/18/1991 | CA1284978C Stem seal for tapered lubricated plug valves |
| 05/29/1991 | DE3938905A1 Hydraulic pressure restricting valve - has housing with valve inlet and outlet, conical seating valve and valve piston with seal |
| 05/28/1991 | CA2030890A1 Valve for fluid dispensing system |
| 04/17/1991 | EP0422342A1 Sealing system with modified stuffing box |
| 04/11/1991 | DE3932698A1 Transmission piece for movement onto adjustment - consists of housing, with metal concertina and bar with cranks |
| 04/03/1991 | CN2074404U New structure of small stop valve and throttle valve |
| 03/27/1991 | EP0418557A1 Shut off valve |
| 03/26/1991 | US5002086 Plastic control valve |
| 03/19/1991 | US5000215 Bellows seal for valves and the like |
| 02/27/1991 | CN2072178U Non-return valve |
| 02/26/1991 | US4995589 Bellows valve |
| 02/21/1991 | WO1991002184A1 Shaft seal |
| 02/17/1991 | WO1991002914A1 Closure |
| 02/17/1991 | CA2059667A1 Closure |
| 02/12/1991 | US4991619 High purity gas delivery control assembly |
| 01/23/1991 | EP0408827A2 Fixing of a seal in a boring of an engine part |
| 01/23/1991 | CN2069950U Corrosion resistant safety diaphragm valve |
| 01/10/1991 | WO1991000465A1 Bellows seal for valves and the like |
| 12/11/1990 | US4976403 Valve with metallic bellows valve stem seal |