Patents by Inventor Herbert F. Villemain

Herbert F. Villemain 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).

  • Method of fabricating an aircraft self-sealing fuel tank
    Patent number: 4368086
    Abstract: Disclosed is a fabrication technique for, and the structure of, a flexible self-sealing fuel tank having a preactivated sealant constructed by laying-up over an innerliner, positioned on a form, prefabricated panels having a self-sealant member stitched into a rubber-coated outer wrap.
    Type: Grant
    Filed: October 22, 1981
    Date of Patent: January 11, 1983
    Assignee: The United States of America as represented by the Secretary of the Air Force
    Inventor: Herbert F. Villemain
  • Aircraft self-sealing fuel tank
    Patent number: 4345698
    Abstract: Disclosed is a fabrication technique for, and the structure of, a flexible self-sealing fuel tank having a preactivated sealant constructed by laying-up over an innerliner, positioned on a form, prefabricated panels having a self-sealant member stitched into a rubber-coated outer wrap.
    Type: Grant
    Filed: March 25, 1980
    Date of Patent: August 24, 1982
    Assignee: The United States of America as represented by the Secretary of the Air Force
    Inventor: Herbert F. Villemain
  • Method of making a fuel cell
    Patent number: 3935050
    Abstract: A method of building an elastomeric fabric container by building an innerliner on a building form, applying a solvent solution of fluorocarbon elastomer over the innerliner and laying up fabric over the cement coat while the cement is sufficiently fluid to strike through the fabric to give at least one layer of fabric covered with at least one coat of fluorocarbon elastomer and curing the elastomer to give a finished container.
    Type: Grant
    Filed: September 13, 1973
    Date of Patent: January 27, 1976
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Marvin T. Conger, Theodore A. Evans, Herbert F. Villemain