Patents by Inventor Joseph E. Dezelan, Jr.

Joseph E. Dezelan, Jr. 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).

  • Apparatus and method for preparing a hydraulic work machine for towing
    Patent number: H1953
    Abstract: An apparatus and method for preparing a hydraulic work machine for towing in response to a dead engine condition. The apparatus includes a source of hydraulic fluid, a standby pump system hydraulically connected to the source, a plurality of pilot controls adapted for electrical activation by the standby pump system, and a hydraulic brake system. The apparatus also includes a supply valve connected to the pilot controls, and at least one lift cylinder connected to the supply valve and adapted to lift an implement on the work machine. The hydraulic brake system and the lift cylinder are enabled for hydraulic control in response to activation of the standby pump system.
    Type: Grant
    Filed: October 15, 1998
    Date of Patent: April 3, 2001
    Assignee: Caterpillar Inc.
    Inventors: Jerry J. Burckhartzmeyer, Joseph E. Dezelan, Jr., Bryan A. Vogt