4. Ships
  5. Steering mechanism
  6. Fluid pressure

David Gruenwald

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Impact rudder

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

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Marine propeller

Fluid reaction surfaces (i.e. – impellers) – Unsymmetrical impeller or dissimilar working members
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Method of vessel propulsion with coordinated bow propulsion

Ships – Steering mechanism – Fluid pressure
Reexamination Certificate

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Vessel propulsion

Ships – Hull or hull adjunct employing fluid dynamic forces to... – Having fluid channeling or entrapping configuration
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Profile ID: LFUS-PAI-P-2134539

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