Patents by Inventor Wilbur D. Holben

Wilbur D. Holben 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).

  • Sound absorption panel
    Patent number: 4531609
    Abstract: Two pelts of fiberglass are bonded together to form a sound absorption panel. One pelt is deformed to a sawtooth shape and the teeth of the sawtooth pelts are bonded into grooves in the other pelt which is essentially flat except for the grooves.
    Type: Grant
    Filed: June 22, 1984
    Date of Patent: July 30, 1985
    Assignee: Midwest Acounst-A-Fiber
    Inventors: Jerry M. Wolf, Wilbur D. Holben
  • Sound absorption panel and method of making
    Patent number: 4496024
    Abstract: A sound absorption panel in which a honeycomb core exhibiting cell end planes has bonded to those planes a porous fiberglass pelt, a layer of thermoplastic material intermediate the core and the porous fiberglass pelt having been subjected to pressure and heated to the point of liquification providing the bond between the porous fiberglass pelt and the cell end plane of the honeycomb core. The thermoplastic in its melted state penetrates the fibers of the porous fiberglass pelt and flows around the edges of the cell end plane of the honeycomb core.
    Type: Grant
    Filed: August 26, 1983
    Date of Patent: January 29, 1985
    Assignee: Midwest-Acoust-A-Fiber, Inc.
    Inventors: Jerry M. Wolf, Wilbur D. Holben