Patents by Inventor Maximilian SIRCH

Maximilian SIRCH 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).

  • Keyhole saw
    Patent number: 10493537
    Abstract: A tool for creating a wall opening. The tool includes a hole saw; and a centering jig having a center axis, where the centering jig is constructed as a centering ring, into which the hole saw can be pushed at least partly, and in that both the hole saw and the centering ring have on their circumference an opening such that this can be pushed transverse to the center axis completely onto a line.
    Type: Grant
    Filed: September 27, 2016
    Date of Patent: December 3, 2019
    Assignee: Hilti Aktiengesellschaft
    Inventors: Maximilian Sirch, Helmut Happach, Herbert Muenzenberger
  • KEYHOLE SAW
    Publication number: 20180257153
    Abstract: A tool for creating a wall opening. The tool includes a hole saw; and a centering jig having a center axis, where the centering jig is constructed as a centering ring, into which the hole saw can be pushed at least partly, and in that both the hole saw and the centering ring have on their circumference an opening such that this can be pushed transverse to the center axis completely onto a line.
    Type: Application
    Filed: September 27, 2016
    Publication date: September 13, 2018
    Applicant: HILTI AKTIENGESELLSCHAFT
    Inventors: Maximilian SIRCH, Helmut HAPPACH, Herbert MUENZENBERGER