4. Marine propulsion
  5. Screw propeller
  6. Shafting

Edward L. Swinehart

Examiner

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Bodyboard with differentiated topskin

Buoys – rafts – and aquatic devices – Water skimming or walking device – Surfboard
Patent

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Drive unit for boats

Marine propulsion – Screw propeller – Shafting
Patent

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Stationary screw induction system

Marine propulsion – Screw propeller – Having means to control flow around propeller
Patent

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Trim enhancing device for a power boat

Ships – Hull or hull adjunct employing fluid dynamic forces to... – Having hydrofoil
Patent

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Profile ID: LFUS-PAI-P-20718

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