Patents by Inventor Karl H. Grasmann

Karl H. Grasmann 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).

  • Procedure for processing joints to be soldered
    Patent number: 5192582
    Abstract: The invention is directed to a procedure for processing joints to be soldered, preferably printed circuit boards fitted with electric components, and an arrangement for executing this procedure, wherein the joints are subjected to plasma treatment before the soldering process. The joints may be subjected to plasma treatment separately or in the relative position necessary for the soldering process.
    Type: Grant
    Filed: November 5, 1990
    Date of Patent: March 9, 1993
    Assignee: WLS Karl-Heinz Grasmann Weichlotanlagen-und Service
    Inventors: Volker Liedke, Karl H. Grasmann, Hans-Jurgen Albrecht, Harald Wittrich, Wilfred John, Wolfgang Scheel