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)
12/1990
12/06/1990DE3917370A1 Delivery valve for containers - has easy-clean valve chamber through tensioned flat membrane
12/05/1990EP0400846A2 Valves for fluids
11/1990
11/28/1990EP0399625A1 Valve
11/28/1990CN2066537U Cut-off valve
11/22/1990DE3915978A1 Stuffing box - with hard packing of specified rings of plastic, ceramic on carbon fibres
11/21/1990CN2066093U Non-leakage valve
11/19/1990CA2016924A1 Valves with improved actuators
11/14/1990EP0397578A1 Metering device for dispensing at least one viscous and/or liquid product
11/13/1990WO1990013483A1 Doser-dispenser for at least one pasty and/or liquid product
11/13/1990CA2032479A1 Doser-dispenser for at least one pasty and/or liquid product
11/01/1990WO1990012972A1 A sampling valve
10/1990
10/25/1990DE3937316C1 Stuffing box seal for valve spindle - has stack of gland seal rings and flange sleeve located against top of stack
10/24/1990CN2064444U Diaphragm type water saving cock tap
10/24/1990CN1010119B Multiple stage flow-division fold plate anti-cavitation high-pressure regulating valve
10/17/1990EP0392995A2 Ultrahigh purity gas valve with encapsulated bellows
10/17/1990EP0392992A2 Clean gas valve using a metal-to-metal seal
10/17/1990EP0392042A1 Corrosion resistant enameled valve
10/17/1990CN2063997U Rubber-lined sluice valve
10/11/1990CA2014231A1 Corrosion resistant enameled valve
10/10/1990CN2063593U Double shut-off gate valve
10/10/1990CN2063590U Self-shut-off valve on water supply stop
10/04/1990DE3909482A1 Valve with a seal
09/1990
09/12/1990CN2061995U Self-close valve for water supply cutting off
09/11/1990US4955581 Bellows sealed plug valve
08/1990
08/29/1990EP0297976B1 Sealed transmission device using metallic bellows, especially for single quarter turn valves
08/09/1990DE3903386A1 Sealing ring with a guide
07/1990
07/26/1990WO1990008285A1 Spindle sealing for a shut-off fitting
07/26/1990WO1990008278A1 Ball valve
07/25/1990CN1044160A Non-rising stem valve assembly and method of replacing permanent seal
07/18/1990EP0377945A1 Non-rising stem valve assembly and method of replacing a permanent seal
07/17/1990US4941504 Manual fluid-control valve with limited closing pressure
07/11/1990WO1990008279A1 Universal control valve
07/11/1990EP0377418A2 High purity gas delivery assembly
07/04/1990CA2006331A1 High purity gas delivery assembly
06/1990
06/27/1990EP0375115A1 Metering valve stem seal
06/27/1990EP0374343A1 Valve
06/13/1990CN2058220U Gas valve with high hermetization
06/05/1990US4930748 Shutoff and regulating valve
05/1990
05/30/1990CN1042593A 隔膜阀 Diaphragm
04/1990
04/18/1990EP0363444A1 Tar-spray with valve.
04/17/1990US4917355 Stop valve
04/10/1990US4915069 Metering valve stem seal
03/1990
03/27/1990US4911412 Valves with improved actuators
03/27/1990US4911411 Clean gas valve using a metal-to-metal seal
03/27/1990US4911202 Valve construction
03/21/1990CN2054859U Electromagnetic diaphragm valve
03/21/1990CN2054855U 阀门 Valve
03/20/1990US4909271 Ultrahigh purity gas valve with encapsulated bellows
03/13/1990US4907780 Combined seal and actuator support
03/08/1990DE3828998A1 Control valve
02/1990
02/28/1990EP0355301A2 Gate valve
02/27/1990US4903722 Extraction valve head for tanks
02/22/1990DE3827930A1 Device for sealing off the valve stem of a quick-closing valve
02/13/1990US4899980 Ball valve
02/13/1990US4899899 Pressure vessel
02/08/1990DE3825575A1 Shut-off valve, particularly for dangerous gases or liquids
02/07/1990EP0353521A1 Stop and control cock
02/06/1990CA1265500A1 Valve stem packing assembly
01/1990
01/31/1990EP0353158A1 Valve-sealing devices
01/30/1990CA1265114A1 Pressure seal for valve stems and the like
01/09/1990US4892010 Sealed transmission device using metal bellows, suitable for quarterturn valves
12/1989
12/27/1989EP0347675A2 Oscillation reduced flow valve
12/20/1989CN1006186B High pressure inverted bellows valve
12/14/1989DE3819114A1 Actuating device for an adjustable valve spindle
12/13/1989EP0345456A2 Device for the leak-tight transmission of rotary motion through a wall
12/12/1989US4886241 Valve stem packing containment for high pressure, high temperature
12/06/1989EP0344582A1 Hose or tube coupling for aggressive fluids
11/1989
11/28/1989US4883254 Flush valve handle assembly
11/23/1989EP0343051A1 Bellows valve
11/09/1989DE3916088A1 Hermetically sealed shaft gland
11/09/1989DE3833102A1 Control valve
11/09/1989DE3813942A1 Safety valve with sealing at the piston guide
11/08/1989EP0341031A2 Valve actuator
10/1989
10/25/1989CN1036501A Postmix juice dispensing system
10/18/1989EP0337180A2 Extraction valve head for a container
10/10/1989US4872639 Pilot-control safety valve
10/10/1989US4872638 Slow acting fluid valve
09/1989
09/27/1989EP0333943A1 Valve stem seal
09/26/1989CA1260510A1 Fluid packing assembly with alternating diverse seal ring elements
09/19/1989US4867201 Parallel-motion dual-diaphragm valve
09/19/1989CA1259597A1 Valve and improved stem seal therefor
09/06/1989CN2044030U Sealing unit of valve
08/1989
08/30/1989EP0137842B1 Fire resistant gate valve
08/29/1989US4860784 Non-rising stem valve assembly and method of replacing a permanent seal
08/29/1989CA1258847A1 Outside seal and yoke valve
08/23/1989CN2043309U Complex type steam valve
08/16/1989EP0328008A1 Composites of flexible graphite particles and amorphous carbon
08/15/1989US4856757 Flexible membrane for heavy duty application apparatus
08/03/1989DE3800807A1 2/2-Way valve controllable by means of a pressure medium
08/02/1989CN2042143U Leakage-proof valve sealer
07/1989
07/25/1989CA1257857A1 Globe valve having a dismountable seat for rapid maintenance
07/11/1989CA1257242A1 Plastic lined plug valve
07/05/1989EP0323448A2 Valves for fluids
07/05/1989EP0322855A2 Valve arrangement
07/04/1989US4844411 Valve
06/1989
06/28/1989EP0322406A2 Bellows valve
06/21/1989CN2039784U Four-way valve sealing device for flow measurement
06/21/1989CN2039780U Double bellows diaphragm tap
06/21/1989CN2039777U All sealing valve
06/15/1989DE3741374A1 Drain valve, in particular for heated containers
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