4. Pumps
  5. Condition responsive control of pump drive motor
  6. Plural pumps having separate drive motors, supply sources,...

Coleman Wood

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Back pressure regulator and valve system

Fluid handling – Line condition change responsive valves – Pilot or servo controlled
Patent

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Gas metering apparatus for use with small volume, small flow gas

Measuring and testing – Volume or rate of flow – Expansible chamber
Patent

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Lamp construction

Illumination – Light source and modifier – Adjustable or repositionable light source or light source...
Patent

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Pulseless pump apparatus having pressure crossover detector and

Pumps – Condition responsive control of pump drive motor – Plural pumps having separate drive motors – supply sources,...
Patent

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Profile ID: LFUS-PAI-P-1188808

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