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)
06/1982
06/29/1982US4336919 Ball valve
06/08/1982US4333632 Lip seal
06/08/1982CA1125261A1 Stem seal
06/01/1982US4332370 Fluid flow control valve, principally of the ball or plug type
05/1982
05/19/1982EP0051975A1 A valve
05/19/1982EP0051708A1 Manifold valve assembly
05/11/1982US4328974 Stuffing box packing system and method
05/04/1982US4327586 Stuffing box for introducing instrument into high pressure conduit
04/1982
04/21/1982EP0050028A1 Stop valve
04/20/1982US4325401 Aseptic valve
04/13/1982CA1121792A1 Valve
04/13/1982CA1121791A1 Butterfly valve
03/1982
03/09/1982US4318422 Butterfly valve
03/02/1982US4317573 Valve spindle sealing arrangement
02/1982
02/17/1982EP0046041A1 Fluid control valve
01/1982
01/19/1982CA1116581A2 Valve member with fixed seal shutoff
01/13/1982EP0043711A1 Valve
01/12/1982CA1116200A1 Stuffing box and support therefor
12/1981
12/29/1981US4307745 Backseating and stop for valve operator
12/15/1981US4305567 Valve stem seal
12/08/1981CA1113914A1 High pressure gate valve with preloaded, stacked, solid lubricated stem seals
11/1981
11/17/1981CA1112632A1 Valve packing
11/10/1981CA1112125A1 Deceleration valve
10/1981
10/28/1981EP0038711A1 A ball valve incorporating a heat-resistant stem seal
09/1981
09/29/1981US4291863 Antifriction device for a valve control shaft
09/15/1981US4289157 Valve with heat-responsive bearing assembly providing back seat arrangement
09/03/1981WO1981002454A1 Stuffing box packing system
08/1981
08/25/1981US4285498 Control valves
08/18/1981US4284248 Packing pulverizer
08/04/1981US4281819 Balanced stem gate valve
07/1981
07/28/1981US4280680 Fluid valves
07/07/1981CA1104548A1 Valve member with fixed seal shutoff
06/1981
06/23/1981US4274433 Packed plug for a fluid valve
06/23/1981US4274432 Valve
06/16/1981US4273148 Stem seal for a fire safe ball valve
06/09/1981US4272055 Single double backseat
05/1981
05/05/1981US4265457 Shaft seals
05/05/1981CA1100467A1 Heat responsive back seat arrangement for valve operator
04/1981
04/21/1981US4262690 High pressure stem packing for gate valves
04/15/1981EP0026935A1 Butterfly valve
03/1981
03/17/1981US4256317 High-temperature, high-pressure valve packing system
03/17/1981CA1097603A1 Bellows valve
03/03/1981CA1096844A2 Faucets
03/03/1981CA1096843A1 Fluid valves
02/1981
02/10/1981CA1095546A1 Valve stem seal
02/10/1981CA1095488A1 Valve mechanism for a control valve
01/1981
01/20/1981US4245661 Heat responsive back seat arrangement for valve operator
01/07/1981EP0021110A1 Ball valve
12/1980
12/30/1980US4241761 Manifold valve assembly
12/30/1980CA1092588A1 Valve seal
12/23/1980US4240675 Stuffing gland
12/23/1980US4240610 High pressure bellows assembly
12/09/1980US4238109 Control valve
11/1980
11/18/1980US4234162 Valves for the control of pressure fluid
11/04/1980US4231549 Valve stem and valve disc connection for a diaphragm valve
11/04/1980US4231545 High pressure ball valve with tipping action
08/1980
08/06/1980EP0014129A1 Valve for a polluting or dangerous fluid that can be operated and demounted from a distance
07/1980
07/29/1980US4214727 Valve apparatus
07/15/1980US4212317 Vacuum interlock
07/08/1980US4211387 Valve construction
06/1980
06/25/1980EP0012624A1 Butterfly valve
06/24/1980US4209040 Seal means for high pressure control valves
06/10/1980CA1079255A1 Vacuum breaker valve and stem packing assembly
05/1980
05/06/1980US4201366 Bellows valve
04/1980
04/29/1980US4199850 Method of making a diaphragm valve
04/29/1980CA1076389A1 Sealed motion transmitter
04/15/1980US4198368 Valve
04/15/1980US4198028 Deceleration valve
03/1980
03/11/1980US4192342 Rod out valve
02/1980
02/26/1980US4190231 Bilaterally balanced fluid control valve
02/26/1980CA1072522A1 Stem packing assembly for gate valves and means for removal
02/19/1980US4188699 Methods of making sealing members
01/1980
01/22/1980CA1070287A1 Ball valve
01/15/1980US4183500 Control valves
12/1979
12/11/1979US4177998 Packing gland assembly
12/11/1979US4177971 Sea cock valve
10/1979
10/23/1979US4171792 High pressure diaphragm valves
09/1979
09/04/1979US4166607 Bellows seal valve
09/04/1979US4166606 Floating seal for fluid control devices
07/1979
07/10/1979CA1058139A1 Flow control valve for hot pitch or other viscous material
07/03/1979US4159818 Rotary valve top seal assembly
05/1979
05/29/1979US4156529 Stuffing box seal for fittings
05/22/1979CA1055005A1 Single double backseat
05/01/1979US4151979 Diaphragm valve having a Belleville-spring assembly
04/1979
04/17/1979US4149699 Union bonnet valve
04/17/1979US4149558 Selective back seat valve
04/10/1979CA1052364A1 Plug type control valve having improved means protecting the stem thereof
02/1979
02/20/1979CA1048989A1 Stem sealing for high pressure valve or the like
01/1979
01/23/1979US4135546 Stem packing assembly for gate valves and means for removal
11/1978
11/14/1978US4125265 Valve stem seal
11/14/1978US4125060 Damped fluid pressure valve operator with selective back seat
09/1978
09/26/1978CA1039261A1 Diaphragm valve
09/05/1978US4111440 Sealing members
08/1978
08/15/1978CA1036570A1 High pressure diaphragm valves
08/01/1978US4103909 Seal for a drive journal of a ball valve
07/1978
07/18/1978US4101113 Stopcock with rotary and adjustable plug in the stopcock housing
07/04/1978CA1034111A1 Hammer drills
06/1978
06/27/1978USRE29679 Stem sealing for high pressure valve or the like
05/1978
05/09/1978US4088300 Flow control valve for hot pitch or other viscous material
05/02/1978US4087075 Valve assembly
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