Patents by Inventor George William Allister Chapman

George William Allister Chapman 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).

  • Shovel loaders
    Patent number: RE29197
    Abstract: .Iadd.A shovel loader in which the engine is supported over a rear axle which can pivot about a longitudinal axis in relation to the engine. The engine and the other axle are pivotable in relation to each other about a vertical pivot axis. This arrangement increases the lateral stability of the loader, particularly when cornering. .Iaddend.
    Type: Grant
    Filed: November 5, 1975
    Date of Patent: May 3, 1977
    Assignee: Matbro Limited
    Inventors: Leonard Stanley Mathew, George William Allister Chapman