4. Valves and valve actuation
  5. Fluid actuated or retarded
  6. Plural operations

Herbert H. Hodgeman

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Four-way plug valve

Fluid handling – Systems – Multi-way valve unit
Patent

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Four-way plug valve

Valves and valve actuation – Fluid actuated or retarded – Plural operations
Patent

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Lift-turn valve and actuator assembly

Valves and valve actuation – Fluid actuated or retarded – Plural operations
Patent

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Water envelope pump and tank system

Pumps – Condition responsive control of pump drive motor – Responsive to accumulation of pumped liquid in receiver
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Profile ID: LFUS-PAI-P-823261

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