Patents by Inventor Floyd A. Riddell

Floyd A. Riddell has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Apparatus and method for covering openings in hulls of damaged ships
    Patent number: 5195446
    Abstract: An apparatus and method for covering an opening (14) in the damaged metal hull (12) of a ship (10) including a flexible covering material (16) having a plurality of electromagnets (36) embedded therein between inner and outer layers (30, 34) and arranged in generally transverse rows. Electrical energy is applied in sequence to the electromagnets (36) after unrolling of the flexible material (16) alongside the hull (12) between the lowermost row of electromagnets (36) and the uppermost row of electromagnets (36). Fluid assist members (48) are provided to force the flexible material (16) toward the hull (12).
    Type: Grant
    Filed: August 12, 1991
    Date of Patent: March 23, 1993
    Inventor: Floyd A. Riddell
  • Method and means for covering openings in hulls of damaged ships
    Patent number: 5038701
    Abstract: A method and means for covering an opening (14) in the damaged metal hull (12) of a ship (10) including a flexible covering material (16) having a plurality of electromagnets (36) embedded therein between inner and outer layers (30, 34) and arranged in generally transverse rows. Electrical energy is applied in sequence to the electromagnets (36) after unrolling of the flexible material (16) alongside the hull (12) from the uppermost row of electromagnets (36) to the lowermost row of electromagnets (36). Air assist members (48) are provided to force the flexible material (16) toward the hull (12).
    Type: Grant
    Filed: March 23, 1990
    Date of Patent: August 13, 1991
    Inventor: Floyd A. Riddell