Patents by Inventor Stanley W. Pasienski

Stanley W. Pasienski 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).

  • Chain trencher having head shaft wear plates
    Patent number: 6012241
    Abstract: An excavating machine includes a main frame, an endless digging chain, and a boom. The boom is mounted to the main frame and is adapted to carry the digging chain. The boom includes an upper surface, a lower surface, an inner end and outer end. The surfaces are adapted to slidably engage the chain. A drive sprocket is mounted to the main frame and is disposed at the inner end of the boom for engaging the chain. A wear plate is mounted to the boom and is disposed between the drive sprocket and the inner end of the boom for slidably engaging the chain between the drive sprocket and the upper surface of the boom inner end.
    Type: Grant
    Filed: October 27, 1998
    Date of Patent: January 11, 2000
    Assignee: Trencor, Inc.
    Inventors: Stanley W. Pasienski, John Gilbert