4. Liquid purification or separation
  5. Filter
  6. Movable medium

Joseph E. Lescovich

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Backwashable self-cleaning strainer

Liquid purification or separation – Flow – fluid pressure or material level – responsive – Filter cleaning
Patent

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Electric motor actuated stop and self-closing check valve

Valves and valve actuation – Lost motion between actuator and valve – Check valve with external opening and closing means
Reexamination Certificate

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Electric motor actuated stop and self-closing check valve

Valves and valve actuation – Lost motion between actuator and valve – Check valve with external opening and closing means
Reexamination Certificate

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Heavy duty electric pump control unit

Pumps – Condition responsive control of pump drive motor – Having timer or delay means
Patent

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Programmable stepper for transducer controlled apparatus

Fluid handling – Liquid level responsive or maintaining systems – Electrical characteristic sensing
Patent

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Profile ID: LFUS-PAI-P-14689

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