Patents by Inventor Charles M. G. Van Wuytswinkfl

Charles M. G. Van Wuytswinkfl 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).

  • Swing lock means for an hydraulic excavator
    Patent number: 3972378
    Abstract: An excavator comprises an upper unit rotatably mounted on a tracked undercarriage. A swing gear mechanism is operatively connected between the upper unit and the undercarriage to selectively rotate the upper unit. An operator-controlled locking mechanism is positioned interiorly of the swing gear mechanism to selectively lock the upper unit relative to the undercarriage.
    Type: Grant
    Filed: January 23, 1975
    Date of Patent: August 3, 1976
    Assignee: Caterpillar Tractor Co.
    Inventors: Gerard P. A. J. Houriez, Charles M. G. Van Wuytswinkfl