Patents by Inventor Richard J. Grabe

Richard J. Grabe 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).

  • Welding aid
    Patent number: 4861392
    Abstract: A welding aid includes a particular carbon-based weld spatter adhesion inhibitor, and a particulate calcium-based adjuvant mixed with the inhibitor. The mixture is capable of being applied to a metal surface to be welded, thereby to inhibit adhesion of weld spatters to the metal surface on welding of the metal surface.
    Type: Grant
    Filed: June 14, 1988
    Date of Patent: August 29, 1989
    Assignee: Evelyn A. Grabe
    Inventor: Richard J. Grabe