4. Marine propulsion
  5. Screw propeller
  6. Shaft braking or locking

Hartmut Hultsch

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Marine vessel propulsion with a thrust bearing

Marine propulsion – Inboard engine mount
Reexamination Certificate

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Shiftable disk clutch or disk brake

Marine propulsion – Screw propeller – Shaft braking or locking
Patent

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Shiftable disk clutch or disk brake

Marine propulsion – Screw propeller – Shaft braking or locking
Patent

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Torque transmission device for a ship

Marine propulsion – Screw propeller – Having transmission
Reexamination Certificate

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Profile ID: LFUS-PAI-P-969041

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