Patents by Inventor Hildreth W. Stevenson

Hildreth W. Stevenson 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).

  • Patent number: 4797306
    Abstract: Stenciling zone for a radiant heat resistant inflatable structure wherein a surface ply is laminated to structural fabric plies of the structure, leaving a cavity between the surface plies and the structural plies with a spacer element such as aluminum foil being received in the cavity. Stenciling is accomplished over the surface ply and the resultant structure can readily pass FAA Standard TSO-69A, Appendix II.
    Type: Grant
    Filed: July 16, 1987
    Date of Patent: January 10, 1989
    Assignee: The B.F. Goodrich Company
    Inventors: Lowell W. Roemke, Hildreth W. Stevenson
  • Patent number: 4719138
    Abstract: Stenciling zone for a radiant heat resistant inflatable structure wherein a surface ply is laminated to structural fabric piles of the structure, leaving a cavity between the surface piles and the structural piles with a spacer element such as aluminum foil being received in the cavity. Stenciling is accomplished over the surface ply and the resultant structure can readily pass FAA standard TSO-69A, Appendix II.
    Type: Grant
    Filed: May 27, 1986
    Date of Patent: January 12, 1988
    Assignee: The B. F. Goodrich Company
    Inventors: Lowell W. Roemke, Hildreth W. Stevenson
  • Patent number: 4714637
    Abstract: A zone on an aluminum coated heat resistant inflatable structure in which sufficient aluminum paint is applied to the structure whereby upon stenciling, the radient heat resistance capabilities of the inflatable air structure are not unacceptably diminished as a result of the presence of stenciling of the air structure.
    Type: Grant
    Filed: May 23, 1986
    Date of Patent: December 22, 1987
    Assignee: The B. F. Goodrich Company
    Inventor: Hildreth W. Stevenson
  • Patent number: 3936552
    Abstract: A nonmetallic friction member is constructed of a bulk graphite component bonded to a resin impregnated carbon cloth component. The friction member is particularly useful for brake and clutch devices, especially multiple disc-type brakes for aircraft. The member may be in the form of a rotor or stator. If driving slots are provided, the member may be reinforced with resin impregnated carbon cloth at these slots.
    Type: Grant
    Filed: February 5, 1975
    Date of Patent: February 3, 1976
    Assignee: The B. F. Goodrich Company
    Inventors: Carroll P. Krupp, Hildreth W. Stevenson