Patents by Inventor Philipp DUFFNER

Philipp DUFFNER 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).

  • Publication number: 20250075722
    Abstract: A drywall anchor to be introduced into a gypsum plaster board in a self-drilling manner, and to a method for installing the drywall anchor. The drywall anchor comprises a base body and a drilling element. The drilling element comprises a drilling tip and a cutting element including a cutting bit as well as a hollow, crucible-shaped core bit, which is open toward the front and within which the cutting element is disposed, the cutting element protruding to the front beyond the bit.
    Type: Application
    Filed: May 3, 2024
    Publication date: March 6, 2025
    Applicant: fischerwerke GmbH & Co. KG
    Inventors: Aaron DALY, Philipp DUFFNER, Christian FREY