4. Pumps
  5. Expansible chamber type
  6. Having additional chamber intake connection from nonpumping...

Charles G. Freay, Jr.

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Apparatus for converting rotational movement into reciprocating

Pumps – Motor driven – Electric or magnetic motor
Patent

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Metering pump

Pumps – Expansible chamber type – Having additional chamber intake connection from nonpumping...
Patent

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Multiple reciprocating pump

Pumps – Expansible chamber type – Plural pumping chambers
Patent

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Positive displacement pump with rotating reciprocating piston

Pumps – Expansible chamber type – Pumping member position controlled port
Patent

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Profile ID: LFUS-PAI-P-417662

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