4. Elevator, industrial lift truck, or stationary lift for vehicle
  5. Having computer control of elevator

Robert J. Platt

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Method and apparatus for measuring gas velocity or other...

Measuring and testing – Volume or rate of flow – Using differential pressure
Reexamination Certificate

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Method and apparatus for modernizing the control of an elevator

Elevator – industrial lift truck – or stationary lift for vehicle – Having computer control of elevator
Patent

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Streamline coal slurry letdown valve

Fluid handling – With cleaner – lubrication added to fluid or liquid sealing... – Cleaning or steam sterilizing
Patent

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Visbreaker letdown valve

Pipes and tubular conduits – With flow regulators and/or baffles – Restrictors
Patent

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Profile ID: LFUS-PAI-P-490767

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