4. Rotary kinetic fluid motors or pumps
  5. With means for re-entry of working fluid to blade set
  6. Turbine regenerative pump

Frank H. Stephan

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Method for combusting fuel containing bound nitrogen

Combustion – Process of combustion or burner operation – Flame shaping – or distributing components in combustion zone
Patent

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Regenerative pump with two-stage stripper

Rotary kinetic fluid motors or pumps – With means for re-entry of working fluid to blade set – Turbine regenerative pump
Patent

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Vacuum brake force booster for use with automotive vehicles

Motors: expansible chamber type – Working member position feedback to motive fluid control – Follower type
Patent

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