4. Pumps
  5. Expansible chamber type
  6. Plural pumping chambers

John G. Graves

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Combination ball and check valve

Fluid handling – Systems – Flow path with serial valves and/or closures
Patent

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Combination plug and two-way check valve

Fluid handling – Convertible – Reversible check
Patent

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Combination valve

Fluid handling – Convertible – Reversible check
Patent

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Internal combustion engine

Internal-combustion engines – Rotary reciprocating piston
Patent

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Reversible flow check valve

Fluid handling – Convertible – Reversible check
Patent

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Profile ID: LFUS-PAI-P-491421

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