Patents by Inventor Ulrigh Roth

Ulrigh Roth 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).

  • Patent number: 4731254
    Abstract: A method of, and apparatus for, repairing mechanical and/or chemical damage to the surface of glass bottles destined for re-use. A bottle to be repaired is brought to a temperature in the region of the transformation point of the glass of the bottle, its surface is thermally treated with laser beams, and during the treatment the bottle surface is linearly scanned with the laser beams while rotating the bottle about its longitudinal axis to repair the surface. The apparatus comprises a laser source and optical means for directing the laser beam generated by the laser source onto the surface of a bottle being treated.
    Type: Grant
    Filed: August 14, 1986
    Date of Patent: March 15, 1988
    Assignee: Heineken Technisch Beheer B.V.
    Inventors: Alfred H. Heineken, Reinhard Baumert, Hans Gaar, Ulrich Hoffmann, Ulrigh Roth, Wolfgang Schwammlein