Patents for F16K 49 - Means in or on valves for heating or cooling (1,925)
03/1992
03/24/1992CA1297761C Pulse combustion energy system
03/04/1992EP0473243A2 Butterfly valve to prevent dew condensation therefrom
03/04/1992EP0473118A1 Fitting
02/1992
02/20/1992DE4025732A1 Non-return valve with in-built electric heating element - in thermally conductive contact with seating pin from which diaphragm is displaced by fluid pump pressure
01/1992
01/15/1992EP0465473A1 Valve.
11/1991
11/05/1991US5062445 Water cooled gate valve
10/1991
10/22/1991US5059879 Electric actuator control apparatus
10/15/1991US5056374 Quickly installed load measuring apparatus and associated system
10/09/1991CN1014260B Gas flow diverter
07/1991
07/24/1991EP0437770A2 Gas flow diverter
06/1991
06/19/1991CN2079248U Directly heating type preheating device for air pressure reducer
05/1991
05/14/1991US5014738 Valve
01/1991
01/22/1991USRE33523 Heated cover for pipeline backflow preventer component assembly
08/1990
08/15/1990CN2060495U Cold/hot water tap
08/11/1990WO1990009538A1 Valve
08/11/1990CA2046322A1 Valve
08/08/1990CN2060195U Electric heat water tap
05/1990
05/29/1990US4928726 Crossarm valve seat with pulling ledge
04/1990
04/24/1990US4919169 Gas flow diverter
03/1990
03/14/1990EP0358134A1 Valve for very cold liquid gases
01/1990
01/17/1990EP0351164A1 Valve
01/02/1990US4890638 Cover for backflow prevention device
10/1989
10/26/1989DE3811874A1 Valve plate, especially for hot-blast slide valves
10/25/1989EP0173711B1 Heated outlet valve for railway tank car
09/1989
09/26/1989CA1259792A1 Hot air vane
04/1989
04/18/1989US4821507 Gas flow diverter
03/1989
03/07/1989US4809948 Butterfly valve assembly and method of making same
01/1989
01/31/1989US4800915 Use in a high temperature fluid conduit
01/31/1989CA1249561A1 Butterfly valve assembly and method of making same
12/1988
12/21/1988CN88103171A Gas flow diverter
12/15/1988WO1988009458A3 Gas flow diverter
12/01/1988WO1988009458A2 Gas flow diverter
11/1988
11/29/1988US4787245 Torque measuring apparatus for valve operating system
11/17/1988WO1988008968A1 Torque measuring apparatus for valve operating system
06/1988
06/29/1988EP0272363A2 Isolated box for a regulation and on-off valve
05/1988
05/04/1988EP0265490A1 Pulse combustion energy system.
04/1988
04/14/1988DE3633682A1 Heating block for heating valve blocks and measuring instruments
03/1988
03/30/1988CN87102874A 脉冲燃烧能量系统 Pulse combustion energy system
02/1988
02/23/1988US4726394 Heated cover for pipeline backflow preventer component assembly
12/1987
12/29/1987US4715400 Valve and method of making same
12/26/1987CN87202704U Valve with radiator
12/08/1987US4711264 Plug valve
11/1987
11/24/1987US4708159 Pulse combustion energy system
10/1987
10/22/1987WO1987006321A1 Pulse combustion energy system
10/06/1987US4697615 Butterfly valve for controlling high-temperature fluid
08/1987
08/25/1987US4688594 Butterfly valve assembly and method of making same
06/1987
06/16/1987CA1222993A1 Valve and method of making same
04/1987
04/28/1987US4660593 Hot-blast gate valve
04/28/1987CA1220980A1 Heated outlet valve for railway tank car
12/1986
12/23/1986CA1215697A1 Valve operator control system
11/1986
11/25/1986US4624189 Heated outlet valve for railway tank car
11/18/1986US4623002 Polymer control valve
11/05/1986EP0199838A1 Butterfly valve for controlling high-temperature fluid
07/1986
07/29/1986EP0173711A4 Heated outlet valve for railway tank car.
07/08/1986US4598732 Gate valve having internal cooling structure
04/1986
04/22/1986US4583570 Flow control assembly
03/1986
03/25/1986US4577655 Apparatus for insulating water faucets
03/12/1986EP0173711A1 Heated outlet valve for railway tank car.
02/1986
02/19/1986EP0171754A1 Hot blast slide valve
01/1986
01/22/1986CN85201396U Electromagnetic valve with liquid-cooling coil
01/07/1986US4562861 Double-ended liquid line thermal insulator
12/1985
12/24/1985US4559967 Valve and method of making same
09/1985
09/24/1985US4542763 Butterfly valve assembly and method of making same
09/18/1985EP0155201A1 Cooling system for a solidifiable seal of a valve spindle
09/17/1985US4541453 High temperature slide valve
09/17/1985US4541448 Freeze protection valve with metal to plastic fitting design
09/12/1985WO1985003915A1 Heated outlet valve for railway tank car
08/1985
08/06/1985US4532956 Solenoid actuated valve blocks for glassware forming machines
06/1985
06/19/1985EP0145634A2 Butterfly valve assembly and method of making same
05/1985
05/21/1985US4518146 Valve operator control system
05/14/1985US4516599 Valve mechanism for low temperature applications
05/07/1985CA1186670A1 Valve mechanism for low temperature applications
10/1984
10/23/1984US4478241 Solenoid actuated valve blocks for glassware forming machines
10/17/1984EP0122214A1 Valve comprising means for heating or cooling the sealing seat
07/1984
07/31/1984US4462419 Thermal blocked valve
06/1984
06/26/1984US4456027 Hose bib cover
05/1984
05/08/1984CA1166929A1 Fire safe expansible tube type valve
03/1984
03/20/1984US4437488 Solenoid valve for hot melt material
01/1984
01/17/1984CA1160615A1 Valve
12/1983
12/07/1983EP0095799A1 Automatic over-fill safety device
11/1983
11/01/1983US4412554 Fire safe expansible tube type valve
08/1983
08/02/1983US4396031 Method for restricting uncontrolled fluid flow through a pipe
05/1983
05/17/1983US4383553 Visbreaker letdown valve
04/1983
04/19/1983US4380245 Antifreeze cover assembly for external faucets
02/1983
02/09/1983EP0071432A1 Fire safe expansible tube type valve
02/09/1983EP0070910A1 Valve for handling solids capable of gas-pressure-tight closure against a gas pressure differential
12/1982
12/21/1982US4364411 Liquid line thermal barrier
09/1982
09/30/1982WO1982003258A1 Valve
09/08/1982EP0059599A1 Valve mechanism for low temperature applications
07/1982
07/06/1982US4337789 Shut-off valve for interrupting a flow of a fluid through a pipeline
01/1982
01/19/1982US4311166 Valve assembly for use with high temperature and high pressure fluids
12/1981
12/22/1981US4306704 Self-heated solenoid
12/08/1981CA1113988A1 Cooled regulating damper for hot gas conduits and method of cooling a damper
10/1981
10/27/1981US4296776 Gate valve for use in large size conduits
10/06/1981US4292992 Valve for handling solids capable of gas-pressure-tight closure against a gas pressure differential
07/1981
07/28/1981US4280478 Freeze protection apparatus for solar collectors
06/1981
06/02/1981US4270931 Cooling arrangement for the locking device in pressure gasification reactors
04/1981
04/21/1981US4262638 Mushroom valve with forced fluid cooling, in particular for an internal combustion engine
04/14/1981US4261385 Cylinder valve
03/1981
03/31/1981US4258740 Fluid flow control device
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