Patents by Inventor Dirk Welp

Dirk Welp 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).

  • Friction Linings for Aluminum Brake Disks
    Publication number: 20220205501
    Abstract: Friction linings which contain more than 5 wt. % aluminum in the form of Al metal (powder) or of an Al alloy are suitable to ensure sufficiently high friction coefficients at little wear when combined with aluminum-containing brake disks or rotors.
    Type: Application
    Filed: June 27, 2019
    Publication date: June 30, 2022
    Applicant: TMD Friction Services GmbH
    Inventor: Dirk WELP
  • TRANSPARENT ZINC SULPHIDE HAVING A HIGH SPECIFIC SURFACE AREA
    Publication number: 20100063164
    Abstract: Zinc sulphide having a high specific surface area, a process for producing it and the use of this zinc sulphide.
    Type: Application
    Filed: December 3, 2007
    Publication date: March 11, 2010
    Inventors: Djamschid Amirzadeh-Asl, Dirk Welp, Jörg Hocken, Jochen Winkler