Patents
Patents for F16K 1 - Lift valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces (29,799)
03/1977
03/01/1977US4009865 Regulating flow
02/1977
02/22/1977US4008992 Valve system, particularly for cigarette lighter
02/22/1977US4008878 Gas control valve for gas shielded electric welding torches
02/22/1977US4008877 Butterfly valve apparatus
02/22/1977US4008733 Filling valves for pressure fueling devices
02/15/1977US4007910 Butterfly valve apparatus
02/08/1977US4006883 Adjustable seat for butterfly valves
02/08/1977US4006882 Butterfly valve of large diameter
02/01/1977US4005849 Butterfly valve
02/01/1977US4005848 Bidirectional pressure-assisted valve seal
01/1977
01/18/1977US4003548 High-pressure valve with balanced internal components
01/18/1977US4003405 Apparatus for regulating the flow rate of a fluid
01/18/1977US4003401 Liquid outlet valve
01/18/1977US4003394 Disc valve with improved seal ring
12/1976
12/28/1976US3999813 Pressure flow regulator
12/28/1976US3999573 Tap or valve
12/14/1976US3997142 Pressure sensitive and temperature responsive rotary valve
12/14/1976US3996962 Backflow preventer and relief valve assembly
12/14/1976US3996961 Flow regulator for air ducting
12/07/1976US3995661 Flow control valve for magnetic particulate
11/1976
11/23/1976US3993096 Damper construction
11/23/1976US3993093 Non-return valve
11/16/1976US3991974 Butterfly valve
11/16/1976US3991973 Cartridge valve with multiple shut-off
11/16/1976US3991784 High/low safety valve
11/09/1976US3990680 Valve construction and method of making the same
11/09/1976US3990675 Butterfly valve
11/09/1976US3990473 Valve arrangement
10/1976
10/26/1976US3988002 In-line balance valves
10/26/1976US3988000 Seals for a gas service butterfly valve
10/26/1976US3987818 Safety trip valve for steam or gas turbines with means to assure controlled opening from the closed position
10/26/1976US3987814 Flow responsive poppet relief valve
10/26/1976US3987812 Adapter valve
10/19/1976US3986699 Positive shut-off seal
10/12/1976US3985335 Ball valve
10/12/1976US3985332 Non-refillable safety valve
10/12/1976US3985331 High resolution micro-metering valve
10/12/1976US3985300 Self-purging injection valve
10/12/1976US3985156 Gas and liquid flow control valve
09/1976
09/28/1976US3982725 Valve actuator
09/28/1976US3982322 Arrangement for the switching on-and-off of a pressurized medium flow
09/21/1976US3981480 Variable gas leak rate valve
09/21/1976US3981328 Hand-operable takeout valve for a fluid pressurized container
09/21/1976US3981324 Combined valve and outage gauge
09/21/1976US3981066 Method and apparatus for inserting seal rings into restricted grooves
09/14/1976US3980272 Fire smoke damper
09/07/1976US3979105 Valve with improved flow passage
09/07/1976US3979104 Shaft sealing device for a butterfly valve
08/1976
08/31/1976US3977305 Operating mechanism for turning an axle end
08/24/1976US3976280 Animal-actuated watering valve
08/24/1976US3976245 Automatic, temperature responsive damper assembly
08/17/1976US3974860 Valve
08/17/1976US3974849 Diaphragm valves
07/1976
07/27/1976US3971414 Servo butterfly valve and vane
07/27/1976US3971413 Damper arrangement
07/27/1976US3971411 Variable resistance type throttling trim
07/27/1976US3971399 Arrangements for preventing or minimizing over-pressures in gas pipes
07/20/1976US3970280 Venting valve for a steam decorticator
07/06/1976US3967813 Butterfly flap valve
07/06/1976US3967812 Shaft seal for corrosion resistant butterfly valve
07/06/1976US3967808 Irrigation valve with metal seat
06/1976
06/15/1976US3963213 Butterfly valve
06/15/1976US3963211 Rotary valve
06/08/1976US3961769 Adjustable bearing structure for butterfly gate valves
06/08/1976US3961405 Method of fabricating a butterfly valve
06/01/1976US3960364 High pressure tight shutoff valve seal
06/01/1976US3960177 Low torque and low noise butterfly valve disc
06/01/1976US3960065 Air control apparatus
05/1976
05/25/1976US3958595 Corrosion resistant valve construction
05/25/1976US3958314 Seal for butterfly valves
05/18/1976US3957083 Pressure sensitive regulating valve
05/18/1976US3957073 Pressure balancing valve
05/11/1976US3955794 Hermetically sealed valve with fixed diffuser
04/1976
04/27/1976US3952994 Throttling and shut-off valve
04/20/1976US3951380 Demountable valve
04/13/1976US3949776 Disk valve
04/06/1976US3948481 Draincock for automotive cooling system
04/06/1976US3948479 Labyrinth type valve for high pressure drop applications
04/06/1976US3947942 Seal for LP gas cylinder valve and method and tool for installation of same
03/1976
03/30/1976US3946986 Flow regulating valve
03/30/1976US3946752 Flue gas valve for the refining process in the inert gas system
03/23/1976US3945607 Pressure safety valve
03/23/1976US3945398 Check valves
03/23/1976US3945393 Regulating valve
03/23/1976US3945390 Sealing system for shutoff elements
03/16/1976US3943967 Cartridge faucet
03/16/1976US3943961 Cock unit for hydraulic systems, with interchangeable delivery spouts
03/09/1976US3942564 Fuel tank filling inlet port device
02/1976
02/24/1976US3940108 Reinforcement ring and seat for butterfly valve
02/24/1976US3939869 Hydraulic control valve for remote receiver
02/24/1976US3939864 Valve lock
02/17/1976US3938541 Shaft seal for a check valve
02/10/1976US3937441 Rotary valve
01/1976
01/27/1976US3934851 Butterfly valve having a split vane
01/27/1976US3934850 Adjustable valve seat
01/27/1976US3934849 Seating and actuator for a ball valve
01/27/1976US3934814 Fluid-flow control valve
01/20/1976US3933174 Valve with a pulsation damping device
01/13/1976US3931955 Butterfly valve