Patents by Inventor Gerd Ehner

Gerd Ehner 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).

  • Process for producing a dimensionally stable thermoplastic semifinished product
    Patent number: 4935182
    Abstract: A process for providing batches of a mouldable, fibre-reinforced thermoplastic material matched to a moulding to be produced and accompanied by heating, whereby a free-flowing initial product of fibers and thermoplastic material-containing binders is heated as a strand and a matched batch is separated from the strand and supplied to batch further processing.
    Type: Grant
    Filed: February 10, 1988
    Date of Patent: June 19, 1990
    Assignee: Menzolit GmbH
    Inventors: Gerd Ehner, Manfred Ehlers, Rolf von Paumgartten