4. Pumps
  5. Condition responsive control of drive transmission or pump...
  6. Plural pumps with individual or relative control

Walter E. Marietta

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Apparatus for disabling an obstructed lift mechanism

Elevator – industrial lift truck – or stationary lift for vehicle – Stationary lift for roadway vehicle or required component... – Having specific drive means for support
Patent

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Horsepower summation control for variable displacement

Pumps – Condition responsive control of drive transmission or pump... – Plural pumps with individual or relative control
Patent

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Rotary valve

Fluid handling – Self-proportioning or correlating systems – Self-controlled branched flow systems
Patent

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Seal arrangement for a gear machine

Rotary expansible chamber devices – With mechanical sealing – Axially movable end wall or end wall portion
Patent

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Variable displacement pump control assembly

Pumps – Condition responsive control of drive transmission or pump...
Patent

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Profile ID: LFUS-PAI-P-57258

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