Patents by Inventor Heinz Bocksrucker

Heinz Bocksrucker 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 manufacturing needled spunbondeds
    Patent number: 5213735
    Abstract: Process for manufacturing needled spunbondeds from thermoplastic fibers wherein, prior to the needling, the as-spun web is thermally sealed at the surfaces and provided with a lubricant.
    Type: Grant
    Filed: June 24, 1991
    Date of Patent: May 25, 1993
    Assignee: Polyfelt Gesellschaft m.b.H.
    Inventors: Heinrich Schneider, Heinz Bocksrucker, Karl Muhlberghuber