Patents by Inventor William E. Aldrich

William E. Aldrich 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).

  • Thermal insulation material comprising a mixture of silk and synthetic fiber staple
    Patent number: 4400426
    Abstract: An improved thermal insulation material comprising a carded web containing 30 to 80 wt. %, preferably 50 wt. % silk, the balance being crimped, hollow polyester staple or very low denier solid cross section polyester filaments. The carded web is uniformly impregnated with a thermosetting resin to form a bat which is employed as a filler for garments, sleeping bags and the like.
    Type: Grant
    Filed: November 3, 1981
    Date of Patent: August 23, 1983
    Assignee: Warnaco Inc.
    Inventor: William E. Aldrich
  • Thermal insulation material comprising a mixture of down and synthetic fiber staple
    Patent number: 4167604
    Abstract: An improved thermal insulation material comprising a carded web containing at least 10% natural down, the balance being crimped, hollow polyester staple. The carded web is uniformly impregnated with a thermosetting resin to form a bat which is employed as a filler for garments, sleeping bags and the like.
    Type: Grant
    Filed: June 30, 1978
    Date of Patent: September 11, 1979
    Assignee: Warnaco Inc.
    Inventor: William E. Aldrich