LandOfFree - US Patents - Listing for Ships,Building,Antifriction surfaces

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Device for reducing the resistance to the advancement of a...

Ships – Building – Antifriction surfaces

Reexamination Certificate

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Drag reducing device for barges

Ships – Building – Antifriction surfaces

Patent

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Drag reduction assembly for use with a boat hull

Ships – Building – Antifriction surfaces

Patent

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Drag reduction of water vehicles using gas created by electrolys

Ships – Building – Antifriction surfaces

Patent

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Drag reduction polymer ejection system for underwater vehicle

Ships – Building – Antifriction surfaces

Patent

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Drag reduction system and method

Ships – Building – Antifriction surfaces

Reexamination Certificate

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Drag-free hull for marine vessels

Ships – Building – Antifriction surfaces

Reexamination Certificate

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Drill barge transport by surface effect vehicles

Ships – Building – Antifriction surfaces

Patent

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Dual stability seal skirt system for air cushion vehicle

Ships – Building – Antifriction surfaces

Reexamination Certificate

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Dynamic surface element for bodies moving through a fluid

Ships – Building – Antifriction surfaces

Reexamination Certificate

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