Patents by Inventor Josef Sauren

Josef Sauren 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).

  • Patent number: 5221293
    Abstract: A grinding or separating tool has a base body with a synthetic plastic max and a plurality of reinforcing fibers, a working coating a plurality of hard grains, and an intermediate layer applied on the base body and located between the base body and the working coating so that the fibers of the base body extend outwardly beyond the plastic matrix of the base body and are embedded in the intermediate layer.
    Type: Grant
    Filed: February 26, 1992
    Date of Patent: June 22, 1993
    Assignees: Firma Ernst Winter & Sohn (GmbH & Co), Fraunhofer-Gesellschaft zur Forderung der angewandten Forschung e.V.
    Inventors: Felix Ferlemann, Josef Sauren, Theodor v.Bennigsen-Mackiewicz