Patents by Inventor Matthias Goldt

Matthias Goldt 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: 20150135511
    Abstract: An expansion bolt including an anchor bolt having an expansion section, and further including an expansion sleeve which surrounds the anchor bolt and which can be expanded by retracting the expansion section, and a spring element arranged on the anchor bolt. The spring element can be tensioned by inserting the anchor bolt into a bore hole and can retract the expansion section of the anchor bolt into the expansion sleeve when it is released. An indicator element indicates when a rated tension of the spring element is reached.
    Type: Application
    Filed: June 25, 2013
    Publication date: May 21, 2015
    Inventors: Andreas Eckstein, Matthias Goldt, Marc Schaefer, Arjen Detmer Dijkhuis