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 41 - Spindle sealings
Patents for F16K 41 - Spindle sealings (6,230)
02/1985
02/12/1985US4498500 Manifold valve assembly
01/1985
01/09/1985EP0130841A2 Valve stem packing assembly
12/1984
12/27/1984CA1180033A Packing gland
12/25/1984US4489916 Valve and stem seal therefor
12/18/1984CA1179664A1 Low emission valve
12/04/1984US4486002 Combined metallic and flexible non-metallic pressure seal
10/1984
10/31/1984EP0123421A1 Valve stem packing assembly
10/30/1984US4479505 Heating valve
10/24/1984EP0122542A2 Temperature sensitive valve bonnet assembly
10/16/1984CA1176226A1 Valve
10/09/1984US4475712 Fluid valve and method of making same
10/02/1984US4474203 Valve with pressure energized back seat sealing means
10/02/1984CA1175408A1 High pressure bonnetless valve
09/1984
09/27/1984WO1984003750A1 Valve stem packing assembly
09/26/1984EP0119760A1 Pressure relief Valve
09/13/1984WO1984003546A1 Fire resistant gate valve
09/12/1984EP0046774B1 Stuffing box packing system
08/1984
08/28/1984US4468039 For use in a valve
08/28/1984US4468002 Actuator mechanism for double bent bellows sealed rotary valve
08/14/1984CA1172667A1 High pressure seal for temperature cycled applications
07/1984
07/31/1984US4462568 Valve construction and method of making the same
07/31/1984US4462422 Bellows sealed stem for rotary valve
07/03/1984US4457327 Temperature responsive valve mechanism
07/03/1984CA1170243A1 Stop valve
07/03/1984CA1170242A1 Valve assembly for packing removal
06/1984
06/12/1984US4453700 Fluid control valve assembly
06/05/1984US4452427 Valve
06/05/1984US4452426 Bent bellows sealed rotary valve
05/1984
05/22/1984US4449695 Fire safe plug valve
05/09/1984EP0107909A1 Low emission valve
05/02/1984EP0107186A1 Gate valve with dual backseat
04/1984
04/10/1984US4441689 Bonnetless compact design globe valve
04/10/1984US4441688 Bonnetless compact design gate valve
03/1984
03/06/1984CA1163259A1 Isolating or cutoff valve
03/01/1984WO1984000795A1 Fire safe plug valve
02/1984
02/22/1984EP0101275A1 Fluid flow control valve and sealing gasket therefor
02/15/1984EP0100629A2 Plug valve
01/1984
01/17/1984US4426093 Stem packing with slitted flexible polymer sleeve
12/1983
12/20/1983US4421298 Y Pattern valve
12/20/1983US4421295 Valve diaphragm
12/20/1983US4421294 Valve diaphragm
12/13/1983CA1158625A1 Valve stem packing structure
11/1983
11/15/1983CA1156999A1 Valve
11/08/1983US4413647 Leak detection arrangement for valve having sealing means
11/08/1983CA1156692A1 Sealing device for sealing two chambers of different pressure
11/08/1983CA1156638A1 Valve with heat responsive bearing assembly providing back seat arrangement
11/08/1983CA1156637A1 Plug valve for reduced leakage
10/1983
10/27/1983WO1983003654A1 Valve and stem seal therefor
10/25/1983US4411438 Packing gland
10/04/1983US4407510 Adjustable packing gland assembly for movable blade damper
10/04/1983CA1154801A1 Stuffing box packing system
09/1983
09/28/1983EP0089757A1 Bellows sealed rotary valve
09/28/1983EP0089334A1 Stem seals for ball valves
09/27/1983US4406468 Seal assembly
09/27/1983US4406441 Butterfly valve
09/21/1983EP0089305A1 Seal assembly for a valve, valve construction having such a seal assembly, and method fo assembling the valve
08/1983
08/24/1983EP0078274A4 Fire safe valve.
08/17/1983EP0085852A1 Three-ports-two-positions valve
08/16/1983US4398727 Pressure balancing stuffing gland for shafts
08/10/1983EP0085371A1 Mechanical seal for valve
07/1983
07/27/1983EP0084513A1 Fluid valve and method of making same
07/26/1983US4394872 Valve assembly for packing removal
07/19/1983US4394023 High temperature valve stem packing with coiled graphite seal rings
06/1983
06/01/1983EP0080282A1 Pressure device
05/1983
05/24/1983US4384705 Stop valve
05/11/1983EP0078274A1 Fire safe valve.
05/10/1983US4382577 Shut-off valve for liquid or gaseous fluids
04/1983
04/26/1983CA1145316A1 Stem seal for a fire safe ball valve
04/12/1983US4379557 Valve stem packing structure
04/05/1983CA1144136A1 Valve stem assembly
03/1983
03/31/1983WO1983001099A1 Stem seals for ball valves
03/15/1983US4376447 Hot water valve
02/1983
02/23/1983EP0072681A1 Diaphragm valve assembly for controlling fluid flow
02/15/1983US4373700 Metal seal for a gate valve stem
12/1982
12/21/1982US4364543 Valve device
12/21/1982US4364542 Packing gland assembly
12/14/1982US4363465 Extreme temperature, high pressure balanced, rising stem gate valve with super preloaded, stacked, solid lubricated, metal-to-metal seal
12/14/1982US4363463 Plunger seal assembly and method of making the same
12/14/1982US4363309 Valve, particularly crossover passage valve
12/09/1982WO1982004300A1 Bonnetless small-sized sluice valve
12/09/1982WO1982004298A1 Bonnetless small-sized ball valve
11/1982
11/23/1982CA1136111A1 Valves for fluids
11/23/1982CA1136110A1 Valves for process gas
11/16/1982US4359204 Rod operated valve
11/11/1982WO1982003898A1 Fire safe valve
11/09/1982US4358086 Butterfly valve
11/02/1982US4356997 Flow control mechanism for high pressure wells
11/02/1982US4356832 High pressure bonnetless valve
11/02/1982CA1134798A1 High pressure stem packing for gate valves
10/1982
10/27/1982EP0063452A1 Packing gland
10/19/1982US4354666 High pressure packless metal diaphragm valve
10/12/1982US4353388 Butterfly valve
09/1982
09/28/1982US4351512 Valve with yoke and captive gland wrench
09/21/1982US4350136 Exhaust gas recirculation valve
09/15/1982EP0060238A1 Valve stem packing structure
09/07/1982US4348005 Valves for fluids
07/1982
07/21/1982EP0056222A1 Butterfly valve
07/20/1982US4340204 High pressure gate valve with preloaded, stacked, solid lubricated stem seals
07/20/1982CA1128029A1 Butterfly valve
07/06/1982USRE30989 Sealed valve and related structure
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