Patents by Inventor George A. Harshman

George A. Harshman 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: 4348047
    Abstract: A double wall and method of assembly of the double wall for a cargo hopper, such as that of a belly dump trailer, having a unitary inner member and horizontal reinforcing members formed of the same material as the inner member and welded sequentially to the inner member and previously attached reinforcing members. Channel members extend along top and bottom of the inner member and generally "L"-shaped members are sequentially added to reinforce the intermediate area. An "I"-shaped member is added last to permit continuously welded construction.
    Type: Grant
    Filed: September 15, 1980
    Date of Patent: September 7, 1982
    Inventor: George A. Harshman