TREA

Telescopically collapsible keels

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  • CPC
  • B63B2041/006
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Parent Industries

BPERFORMING OPERATIONS TRANSPORTING B63Ships B63BSHIPS OR OTHER WATERBORNE VESSELS EQUIPMENT FOR SHIPPING

Current Industry

B63B2041/006Telescopically collapsible keels
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Offshore floating production, storage, and off-loading vessel for u...
    • Patent number 8,511,246
    • Issue date Aug 20, 2013
    • Nagan Srinivasan
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    Offshore floating production, storage, and off-loading vessel for u...
    • Patent number 7,958,835
    • Issue date Jun 14, 2011
    • Nagan Srinivasan
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    Sailboat rotatable keel appendage
    • Patent number 6,349,659
    • Issue date Feb 26, 2002
    • Frederick E. Hood
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    Method and apparatus to increase the velocity of sailing vessels
    • Patent number 6,032,603
    • Issue date Mar 7, 2000
    • Bernard Olcott
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    Sailboat keel hoist assembly
    • Patent number 5,431,121
    • Issue date Jul 11, 1995
    • Jeffrey M. Canepa
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    Sailing yacht with a centerboard
    • Patent number 5,036,783
    • Issue date Aug 6, 1991
    • Valery I. Ilievsky
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    Monohull sailboat with enlarged deck area
    • Patent number 4,917,035
    • Issue date Apr 17, 1990
    • John E. Thomson
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    Steerable keel
    • Patent number 4,703,708
    • Issue date Nov 3, 1987
    • Daniel L. Cohen
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    Boat with a raisable and lowerable keel
    • Patent number 4,690,089
    • Issue date Sep 1, 1987
    • Fritz Marggraff
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    Retractable boat keel
    • Patent number 4,563,971
    • Issue date Jan 14, 1986
    • George P. Carver
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    Lifting keel for sporting sail boats
    • Patent number 4,316,425
    • Issue date Feb 23, 1982
    • Jurgen Guido
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    3871322
    • Patent number 3,871,322
    • Issue date Mar 18, 1975
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    3850127
    • Patent number 3,850,127
    • Issue date Nov 26, 1974
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    3805726
    • Patent number 3,805,726
    • Issue date Apr 23, 1974
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    3547065
    • Patent number 3,547,065
    • Issue date Dec 15, 1970
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    3383719
    • Patent number 3,383,719
    • Issue date May 21, 1968
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    3381648
    • Patent number 3,381,648
    • Issue date May 7, 1968
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    3110281
    • Patent number 3,110,281
    • Issue date Nov 12, 1963
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT

Patents Applicationslast 30 patents