Patents by Inventor Robert J. Shaffer

Robert J. Shaffer 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).

  • Metal body painting system and method
    Patent number: 6701601
    Abstract: A method of manufacturing a body, preferrably an automotive vehicle body, to have a plurality of coating layers, starts with assembling the body out of parts made from pre-coated metal. A pretreatment step provides for paint adhesion and/or corrosion protection for cut edges, weld spots or metal finished areas. A powder paint base coat is then applied onto the pre-coated metal of the vehicle body. The pre-coat layer is one of the plurality of coating layers and the powder paint base coat is another one of the plurality of coating layers. In another embodiment, the powder paint base coat is applied in two steps, a first powder paint base coat and a color powder paint base coat. The first powder paint base coat is applied to a first portion of the vehicle body and the color powder paint base coat is applied to a second portion of the vehicle body.
    Type: Grant
    Filed: July 3, 2001
    Date of Patent: March 9, 2004
    Assignee: DaimlerChrysler Corporation
    Inventors: Dennis D Davidson, John C Hess, Tommy L Anderson, Rodney L Briggs, Robert J Shaffer
  • Metal body painting system and method
    Publication number: 20030005568
    Abstract: A method of manufacturing a body, preferrably an automotive vehicle body, to have a plurality of coating layers, starts with assembling the body out of parts made from pre-coated metal. A pretreatment step provides for paint adhesion and/or corrosion protection for cut edges, weld spots or metal finished areas. A powder paint base coat is then applied onto the pre-coated metal of the vehicle body. The pre-coat layer is one of the plurality of coating layers and the powder paint base coat is another one of the plurality of coating layers. In another embodiment, the powder paint base coat is applied in two steps, a first powder paint base coat and a color powder paint base coat. The first powder paint base coat is applied to a first portion of the vehicle body and the color powder paint base coat is applied to a second portion of the vehicle body.
    Type: Application
    Filed: July 3, 2001
    Publication date: January 9, 2003
    Inventors: Dennis D. Davidson, John C. Hess, Tommy L. Anderson, Rodney L. Briggs, Robert J. Shaffer
  • Method of improving corrosion resistance of lead and lead alloy coated metal
    Patent number: 4089707
    Abstract: A method of improving the corrosion resistance of a lead or lead alloy coated metal characterized by the step of treating the surface of the coated metal with hydrochloric acid.
    Type: Grant
    Filed: July 19, 1976
    Date of Patent: May 16, 1978
    Assignee: Republic Steel Corporation
    Inventors: Robert J. Shaffer, Vernon J. Schwering