4. Marine propulsion
  5. Screw propeller
  6. Having transmission

David B. Wantz

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Desmodromic shift adaptor for a counter-rotating propeller shaft

Marine propulsion – Screw propeller – Having transmission
Patent

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Propeller shaft bidirectional thrust bearing system

Marine propulsion – Screw propeller – Shafting
Patent

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Profile ID: LFUS-PAI-P-1536745

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