Patents
Patents for F16K 5 - Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary (12,536)
10/1988
10/25/1988US4779840 Valve apparatus and method of operating thereof
10/25/1988US4779643 Fuel control device, fuel control system using the device and method of making the device
10/20/1988DE3712408A1 PTFE sealing ring for sealing off the ball in ball valves
10/20/1988DE3710858A1 Ball valve
10/19/1988EP0286974A2 Valving technique
10/18/1988US4778152 Plug valve havig interchangeable plug member
10/12/1988EP0286229A1 Tap for drainage bag
10/12/1988CN87216068U Quickly-opened fire hydrant with small flow resistance
10/11/1988US4776566 Raised hardface overlay valve seat
10/11/1988US4776364 Ball slide, specifically for pressure lines in hydropower plant
10/05/1988EP0285580A2 Improvement in needle members for minimum adjustment in gas delivering cocks for hot plates, gas kitchens and the like
10/04/1988CA1242681A1 Rotary plug valve
09/1988
09/28/1988EP0283537A1 Cut-off tap
09/27/1988US4773626 For controlling the flow of material
09/27/1988US4773565 Rotary valve
09/27/1988CA1242427A1 Seal mechanism in a ball valve
09/27/1988CA1242426A1 Fire-safe ball valve
09/20/1988US4771803 Ball cock with sinter ceramic valve seat and valve ball
09/20/1988CA1242179A1 Perfected mechanical control device for ball valve type valve systems
09/14/1988CN87212587U Swing pipe type cock
09/14/1988CN87210720U Round hole tap valve
09/13/1988US4770388 Latched valve handle
09/13/1988US4770202 Valves providing transfer ports
09/08/1988DE3706215A1 PTFE sealing ring for sealing off the ball in ball valves
09/07/1988WO1988006691A1 Cock
08/1988
08/31/1988EP0280291A1 Ball valves with outlet for eliminating residuals
08/31/1988EP0280287A1 Gasket ball valve for a plug having a spherical surface
08/31/1988EP0280234A2 Method and apparatus for improving the treatment of fibre suspension and for the control of fibre suspension flow
08/31/1988CN88210083U Safety gas position limiting on-off cock
08/30/1988US4767028 Rotary valve
08/24/1988CN87215174U Cylinder cock stop valve
08/23/1988US4765592 Material for valve seats
08/23/1988US4765590 Faucet valve with diagonal sealing ring
08/23/1988CA1240970A1 Valve sealing mechanism
08/17/1988EP0278675A2 Ball valve
08/17/1988CN87203530U Ball valve for unloading ash-like articks
08/11/1988WO1988005880A1 Valve means
08/11/1988WO1988005879A1 Telecontrollable valve
08/09/1988US4762301 Compact multi-service ball valve
08/04/1988DE3702386A1 Ball valve
07/1988
07/27/1988CN86203324U Thread valve
07/20/1988CN87216798U Quick starting tire hydrant
07/12/1988US4756507 Ball or plug valve stem extension and lock mechanism
07/05/1988CA1238890A1 Ball valve and methods of fabrication
06/1988
06/29/1988EP0272991A1 Welded valve with double sealing
06/29/1988CN87206896U Impeller flow metering valve
06/28/1988US4753443 Composite annular seals for rotary ball valves and ball joints
06/16/1988WO1988004380A1 Device relating to regulating- and cut-off valves
06/15/1988CN87103637A Constantly sealed electric valve
06/14/1988US4750708 High strength ball valve seat assembly
06/14/1988US4750707 Angle valve
06/08/1988EP0269762A1 Seal for a valve
06/07/1988US4749002 Shut-off device in the form of a ball valve
05/1988
05/31/1988US4747578 Rotary valve with pressure urged sealing member
05/31/1988US4747427 Reversible angle cock
05/31/1988CA1237416A1 Ball valve with improved vent structure
05/19/1988DE3739039A1 Zweiweganschlussteil mit unabhaengigen regelventilen fuer wasserhahn Zweiweganschlussteil with independent control valves for water closet
05/19/1988DE3638516A1 Regulating valve with a spherical valve element
05/19/1988DE3637857A1 Regulating valve employing a cone of revolution and having eccentric support for the cone
05/17/1988US4744572 All-metal, valve sealing mechanism
05/17/1988US4744390 Plastic valve
05/11/1988EP0266594A1 Ball valve
05/10/1988CA1236500A1 Seals
04/1988
04/26/1988US4739792 Valve
04/20/1988EP0264340A2 Valve having a rotatable cage
04/20/1988EP0264179A2 Improvements relating to rotary ball valves and ball joints
04/20/1988EP0263922A2 Stem seal for a plug valve
04/20/1988CN87207183U Rotary stopper valve used in the food production
04/20/1988CN87207182U Ball valve with rotary ball stopper
04/19/1988US4738431 Ball valve structure
04/13/1988CN87202114U Dual-purpose valve of ball check
04/12/1988US4736771 Valve assembly for pipeline
04/06/1988CN87206340U Combined gas valve
03/1988
03/30/1988EP0261326A1 Corner valve for building water mains
03/24/1988DE3730492A1 Stop valve with a spherical plug
03/23/1988EP0260482A1 Cock with a cylindrical or conical plug
03/09/1988CN87103337A Eccentric valve
03/02/1988EP0257340A2 Faucet valve with noise reduction structure
03/02/1988CN85103440B Frost-proof water tap
03/01/1988US4727901 Ball valve
02/1988
02/25/1988DE3628160A1 Regulating member
02/24/1988CN87104882A Vacuum-eliminating valve
02/18/1988DE3627328A1 Flow restrictor with wear protection
02/16/1988US4725042 Ball valve assembly
02/16/1988CA1232892A1 Mechanism for actuating a proportioning valve
02/11/1988DE3623865C1 Shut-off fitting with seat rings braced relative to one another
02/10/1988CN86206419U Water tap with ball core
02/10/1988CN86204377U Hot water tap with connector composed of spring washer and ring
02/03/1988CN87208808U Stratified graduating valve
02/03/1988CN87102974A Coal gas valve device
02/02/1988US4722794 Straining and stop valve
02/02/1988CA1232257A1 Sprinkler drain and test valve
01/1988
01/28/1988DE3723964A1 Water tap with built-in switch
01/20/1988EP0253794A2 Assembly and method for installing and retaining valve seals
01/19/1988US4719939 Apparatus for coupling a valve and rotary actuator
01/12/1988US4718453 Rotary valve
01/12/1988US4718444 Valve seat retraction method and apparatus
01/06/1988CN87202087U Handleless rotating water jet
12/1987
12/26/1987CN87202333U Safe valve needle
12/22/1987US4714236 Ball valve, particularly for gases