Patents by Inventor Wolfgang Friedrich Wilhelm Bruhmann

Wolfgang Friedrich Wilhelm Bruhmann 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: 6143404
    Abstract: A lining for a driving or return drum of a conveyor belt includes an elastic material based on natural or synthetic rubber or a polyurethane containing ceramic particles whose dimensions lie between about 10 and about 2000 microns.
    Type: Grant
    Filed: December 22, 1997
    Date of Patent: November 7, 2000
    Assignees: Technic Gum, M.I.C.K.E. Bruhmann GmbH & Co. KG
    Inventors: Wolfgang Friedrich Wilhelm Bruhmann, Emmanuel Davidts
  • Patent number: 6082527
    Abstract: Lining for driving or return drums or pulleys for conveyor belt. A lining for driving or return drums or pulleys for conveyor belts and all surfaces subjected to wear by friction includes an elastic material 2 incorporated in which are porous ceramic elements 4 projecting from the surface of the lining.
    Type: Grant
    Filed: December 22, 1997
    Date of Patent: July 4, 2000
    Assignees: Technic Gum, M.I.C.K.E. Bruhmann GmbH & Co. KG
    Inventors: Wolfgang Friedrich Wilhelm Bruhmann, Emmanuel Davidts