Patents by Inventor Robert A. Hamm

Robert A. Hamm 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 forming composite wound structure
    Patent number: 4278485
    Abstract: An elongate hollow structure with a plurality of reinforcements arranged in a pattern and acting as spacers between a pair of skins. The skins are of resin impregnated wound filaments with reinforcing strips of facing preimpregnated wound filaments that crisscross at the spacing reinforcements, abutting panels extend between adjacent reinforcing spacers to fill the space between the skins, and the structure is bonded with resin into a composite structure.
    Type: Grant
    Filed: May 14, 1980
    Date of Patent: July 14, 1981
    Assignee: The Boeing Company
    Inventors: Robert A. Hamm, Philip C. Whitener
  • Composite structure and method of making
    Patent number: 4230293
    Abstract: An elongate hollow structure with a plurality of reinforcements arranged in a pattern and acting as spacers between a pair of skins. The skins are of resin impregnated wound filaments with reinforcing strips of facing preimpregnated wound filaments that crisscross at the spacing reinforcements, abutting panels extend between adjacent reinforcing spacers to fill the space between the skins, and the structure is bonded with resin into a composite structure.
    Type: Grant
    Filed: August 2, 1978
    Date of Patent: October 28, 1980
    Assignee: Boeing Commercial Airplane Company
    Inventors: Robert A. Hamm, Philip C. Whitener