Patents by Inventor John K. Wold

John K. Wold 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).

  • Saw chain having relieved center link
    Patent number: 4773160
    Abstract: An articulated saw chain having pivotally interconnected center drive links and side links. The side links having bottom edges that incur splaying as a result of the side links pounding the guide bar rail during cutting action. An inset portion provided on the center links in the area of overlap defined by the bottom edge surface being pivoted relative to the center drive links. The insets thus providing added clearance to permit substantial splaying of the bar engaging bottom edge surface of the side links without interference and binding.
    Type: Grant
    Filed: December 8, 1986
    Date of Patent: September 27, 1988
    Assignee: Omark Industries, Inc.
    Inventor: John K. Wold