Patents by Inventor Hans-Albert Wenkel

Hans-Albert Wenkel 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: 7101276
    Abstract: An abrasive cutting-off wheel for stationary use is comprised of two partial abrasive wheels which are joined to each other. Each of these partial abrasive wheels comprises an interior supporting disk and a radially adjoining interior layer of abrasive grain. It further comprises an exterior layer of abrasive grain and an exterior supporting disk which is located radially there-within. A reinforcement layer is provided between the supporting disks and the layers of abrasive grain. Another reinforcement layer can be disposed between the supporting disks and the interior layers of abrasive grain.
    Type: Grant
    Filed: July 1, 2005
    Date of Patent: September 5, 2006
    Assignee: August Ruggeberg GmbH & Co. KG
    Inventors: Bernd-Gunter Stuckenholz, Dirk Isenhardt, Uwe Hartelt, Ludger Hardenbicker, Hans-Albert Wenkel
  • Publication number: 20060128292
    Abstract: An abrasive cutting-off wheel for stationary use is comprised of two partial abrasive wheels which are joined to each other. Each of these partial abrasive wheels comprises an interior supporting disk and a radially adjoining interior layer of abrasive grain. It further comprises an exterior layer of abrasive grain and an exterior supporting disk which is located radially there-within. A reinforcement layer is provided between the supporting disks and the layers of abrasive grain. Another reinforcement layer can be disposed between the supporting disks and the interior layers of abrasive grain.
    Type: Application
    Filed: July 1, 2005
    Publication date: June 15, 2006
    Applicant: August Ruggeberg GmbH & Co. KG
    Inventors: Bernd-Gunter Stuckenholz, Dirk Isenhardt, Uwe Hartelt, Ludger Hardenbicker, Hans-Albert Wenkel