Patents by Inventor Hobart L. Wentworth

Hobart L. Wentworth 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).

  • Patent number: 4142062
    Abstract: A material heating furnace with a heating element formed of corrugated metal strips which are spaced at one of the ends thereof by a jumper strip which is welded or otherwise fastened to the metal strips. Also, terminals are provided which are slotted so as to alleviate stresses due to bending.
    Type: Grant
    Filed: March 7, 1977
    Date of Patent: February 27, 1979
    Assignee: Sola Basic Industries, Inc.
    Inventor: Hobart L. Wentworth
  • Patent number: 3981489
    Abstract: A material heat treating system having a plurality of integral quench furnaces and means to convey material to be treated thereto in a selected pattern operated by controllers into which selected patterns of treatment are fed. The controllers feed signals to a selected furnace to control operation thereof in a selected manner and also provide signals to control movement to, from and through the system in accordance with a selected program.
    Type: Grant
    Filed: September 19, 1974
    Date of Patent: September 21, 1976
    Assignee: Sola Basic Industries, Inc.
    Inventor: Hobart L. Wentworth