Patents by Inventor Ernest A. Erickson

Ernest A. Erickson 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).

  • Muffler with three part welded joint
    Patent number: 4342373
    Abstract: An automotive type internal combustion engine exhaust muffler has a welded butt joint consisting of the ends of a pipe bushing, a lockseam louver tube, and a partition neck into which the tube is pressed, the welded joint preferably being of a structure produced by the magnet arc process.
    Type: Grant
    Filed: March 17, 1981
    Date of Patent: August 3, 1982
    Assignee: Tenneco Inc.
    Inventors: Ernest A. Erickson, Rodger D. Hanson, Lance D. Mews