Patents by Inventor Manfred Breuss

Manfred Breuss 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).

  • Expansion dowel assembly and method of anchoring the assembly
    Patent number: 4921381
    Abstract: An expansion dowel assembly includes an axially elongated expansion member, a first member for expanding the expansion member and a second member for anchoring the expansion member in a borehole before is is expanded by the first member. The second member can be connected to the expansion member or mounted in and in contact with the expansion member.
    Type: Grant
    Filed: September 12, 1988
    Date of Patent: May 1, 1990
    Assignee: Hilti Aktiengesellschaft
    Inventors: Peter Gschwend, Manfred Breuss