4. Pumps
  5. Condition responsive control of drive transmission or pump...
  6. Adjustable cam or linkage

Gerard T. Perkins

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Cushioned actuator

Expansible chamber devices – With cushioning means effective over a portion only of stroke
Reexamination Certificate

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Fluid pressure sensing device

Measuring and testing – Gas analysis – Moisture content or vapor pressure
Patent

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Hydraulic motor and brake control system and method of...

Fluid-pressure and analogous brake systems – With pump – Pressure control
Reexamination Certificate

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Hydraulic motor and brake control system and method of...

Fluid-pressure and analogous brake systems – With pump – Pressure control
Reexamination Certificate

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Mast staging hydraulic circuit

Elevator – industrial lift truck – or stationary lift for vehicle – Industrial lift truck or required component thereof – Having extensible vertical guide for load support
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1457341

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