Patents by Inventor Bernd Trompelt

Bernd Trompelt 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).

  • Supporting disk for a surface grinding wheel and surface grinding wheel
    Patent number: 6786812
    Abstract: A supporting disk for a surface grinding wheel comprises a glass-fiber reinforced phenolic resin body which has an upper covering layer of a textile glass fabric or a glass-yarn layer, an intermediate layer of a fiber mat, and a lower covering layer of a textile glass fabric or a glass-yarn layer.
    Type: Grant
    Filed: February 12, 2002
    Date of Patent: September 7, 2004
    Assignees: August Rüggeberg GmbH & Co., P-D Glasseiden GmbH Oschatz
    Inventors: Bernd Stuckenholz, Bernd Trompelt, Bernd Preissler, Gisela Gross
  • Supporting disk for a surface grinding wheel and surface grinding wheel
    Publication number: 20020187737
    Abstract: A supporting disk for a surface grinding wheel comprises a glass-fiber reinforced phenolic resin body which has an upper covering layer of a textile glass fabric or a glass-yarn layer, an intermediate layer of a fiber mat, and a lower covering layer of a textile glass fabric or a glass-yarn layer.
    Type: Application
    Filed: February 12, 2002
    Publication date: December 12, 2002
    Applicant: August Ruggeberg GmbH & Co.
    Inventors: Bernd Stuckenholz, Bernd Trompelt, Bernd Preissler, Gisela Gross