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Automatic hot water recovery system

Fluid handling – With heating or cooling of the system – Hot and cold water system having a connection from the hot...
Patent

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Automatic hot water recovery system

Fluid handling – With heating or cooling of the system – Hot and cold water system having a connection from the hot...
Patent

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Bellows balanced valve

Fluid handling – With heating or cooling of the system – Circulating fluid in heat exchange relationship
Reexamination Certificate

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Butterfly valve

Fluid handling – With heating or cooling of the system – Circulating fluid in heat exchange relationship
Patent

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Butterfly valve assembly and method of making same

Fluid handling – With heating or cooling of the system – Circulating fluid in heat exchange relationship
Patent

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Butterfly valve assembly and method of making same

Fluid handling – With heating or cooling of the system – Circulating fluid in heat exchange relationship
Patent

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Butterfly valve for controlling high-temperature fluid

Fluid handling – With heating or cooling of the system – Circulating fluid in heat exchange relationship
Patent

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Cartridge valve with integrated ceramic ring heater

Fluid handling – With heating or cooling of the system – With electric heating element
Reexamination Certificate

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Chemical diluting system

Fluid handling – With heating or cooling of the system
Patent

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Chemical supply apparatus

Fluid handling – With heating or cooling of the system – Circulating fluid in heat exchange relationship
Reexamination Certificate

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Clean line heated valve

Fluid handling – With heating or cooling of the system – With electric heating element
Reexamination Certificate

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Cleaning system having steam and water mixing ejector

Fluid handling – With heating or cooling of the system
Patent

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Closed type water storage container with water level controller

Fluid handling – With heating or cooling of the system – With electric heating element
Patent

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Closure plate for hot blast slide valves

Fluid handling – With heating or cooling of the system – Circulating fluid in heat exchange relationship
Patent

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Compressed gas storage system

Fluid handling – With heating or cooling of the system – Air heated or cooled
Reexamination Certificate

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Concentric tube heat tracing apparatus

Fluid handling – With heating or cooling of the system – Circulating fluid in heat exchange relationship
Patent

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Concrete pumping apparatus

Fluid handling – With heating or cooling of the system – Circulating fluid in heat exchange relationship
Patent

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Control equipment for keeping light oil vapor at stable...

Fluid handling – With heating or cooling of the system – With electric heating element
Reexamination Certificate

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Control of the viscosity of fuel oil for burners

Fluid handling – With heating or cooling of the system
Patent

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Control spear for use in a passage for conducting dust-containin

Fluid handling – With heating or cooling of the system – Circulating fluid in heat exchange relationship
Patent

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