Patents by Inventor Paul Frankenbach

Paul Frankenbach 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: 6109992
    Abstract: Apparatus and method for removing metal bases from glass bulbs such as fluorescent lamps for the salvaging of raw materials therein for reuse. The method comprises providing an inductive field coil about at least one end of the glass bulb having the metal base, heating the metal base by induction to expand and loosen the same, then gripping and pulling the metal base from the bulb. The bulb is kept intact for later salvaging operations such that the removed bases are uncontaminated by mercury. The apparatus can include non-magnetic grippers such as ceramic jaws for the gripping of the metallic bases.
    Type: Grant
    Filed: August 10, 1998
    Date of Patent: August 29, 2000
    Assignees: ALD Vacuum Technologies AG, Paul Frankenbach
    Inventors: Albrecht Melber, Erwin Wanetzky, Paul Frankenbach