Patents by Inventor Al C. Wingate

Al C. Wingate 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: 6109676
    Abstract: An rear engine end frame for a compact wheel loader has an engine compartment with open corners behind the rear wheels of the loader. The open corners are closed by wraparound bumper corners made from relatively heavy metal castings that serve as counterweights as well as bumper corners. The bumper corners are detachably mounted to the engine compartment to permit ready access to the ends of the transversely mounted engine and to other components located in the rear corners of the engine compartment.
    Type: Grant
    Filed: October 31, 1997
    Date of Patent: August 29, 2000
    Assignee: Caterpillar Inc.
    Inventors: Scott D. Avis, Jeffrey A. Deneve, Paul J. Staebler, Al C. Wingate