Patents by Inventor Hagen Hummel

Hagen Hummel 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).

  • Method of electron beam welding with X-ray detection
    Patent number: 3974381
    Abstract: Welding method and apparatus for detecting the penetration depth of an electron beam weld, in which X-rays which occur are guided through several plates of an absorption device to a ray receiver, the plates comprising of plurality of bores of equal diameter, which are arranged in their position to one another in such a way that the center lines of corresponding bores on the same level are in exact alignment and that the ray receiver, absorption device and workpiece are aligned in parallel with one another and are co-ordinated to one another in height.
    Type: Grant
    Filed: October 21, 1974
    Date of Patent: August 10, 1976
    Assignee: Mahle GmbH
    Inventors: Manfred Rohrle, Hagen Hummel