4. Marine propulsion
  5. Jet drive

Stefan Kaul

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Hydrojet

Marine propulsion – Jet drive
Patent

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Twin-propeller drive for watercraft

Marine propulsion – Screw propeller – Having means to control flow around propeller
Reexamination Certificate

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Watercraft drive with a rudder propeller

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

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Profile ID: LFUS-PAI-P-990239

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