Patents by Inventor John Gustafson

John Gustafson 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).

  • Filling machine
    Patent number: 4350187
    Abstract: This invention relates to container filling machines and specifically to cleaning the exterior surface of the filling nozzle of product clinging thereto following the filling operation.
    Type: Grant
    Filed: June 25, 1980
    Date of Patent: September 21, 1982
    Assignee: Pneumatic Scale Corporation
    Inventors: William H. Trusselle, John A. Gustafson, Jr.
  • Electrical contacts
    Patent number: 4294616
    Abstract: An electrical contact of the type having a working surface and comprising a ductile metal and weld inhibiting material includes a wetting agent present in an amount sufficient to reduce the surface energy between said contact surface and the liquid phase of the ductile metal. Improved wettability of the surface results in reduced arc erosion due to the spattering loss of ductile metal. Also, described is a method for selecting and testing proposed additives.
    Type: Grant
    Filed: January 2, 1979
    Date of Patent: October 13, 1981
    Assignee: GTE Products Corporation
    Inventors: Han J. Kim, Thomas E. Peters, John Gustafson