Patents by Inventor Gary C. Hamby

Gary C. Hamby 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).

  • Tree harvesting apparatus with transversely acutated saw chain
    Patent number: 5979518
    Abstract: There is disclosed a tree harvesting head assembly which provides an improved cutting means for permitting movement of a saw chain linearly outwardly from a first position behind a tree to be cut to a second position transversely forwardly of a tree to be cut. The cutting means in combination with the grapple means and engagement arms of the head assembly facilitates the harvesting of trees on rough terrain in an expedited and safe manner.
    Type: Grant
    Filed: November 24, 1998
    Date of Patent: November 9, 1999
    Inventor: Gary C. Hamby