4. Gas and liquid contact apparatus
  5. With external supply or removal of heat
  6. Automatic control of heat supply or heat effect

Donald B. Rodgers

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Self-metering reservoir

Receptacles – Compartmented container – Substantially concentric compartments
Patent

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Self-metering reservoir

Fluid handling – Liquid level responsive or maintaining systems – By weight of accumulated fluid
Reexamination Certificate

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Self-metering reservoir

Gas and liquid contact apparatus – With external supply or removal of heat – Automatic control of heat supply or heat effect
Patent

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Self-metering reservoir

Fluid handling – Processes – With control of flow by a condition or characteristic of a...
Patent

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System, apparatus and method for measuring and transferring...

Fluent material handling – with receiver or receiver coacting mea – Processes – Plural materials
Reexamination Certificate

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