4. Pumps
  5. Successive stages
  6. Reciprocating rigid stages

Ward H. Robinson

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Pneumatically operated reciprocating piston compressor

Pumps – Successive stages – Reciprocating rigid stages
Patent

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Variable position turbine nozzle

Rotary kinetic fluid motors or pumps – Selectively adjustable vane or working fluid control means – Upstream of runner
Reexamination Certificate

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Variable position turbine nozzle

Rotary kinetic fluid motors or pumps – Selectively adjustable vane or working fluid control means – Upstream of runner
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1980428

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