Patents by Inventor John Crowley, Jr.

John Crowley, 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).

  • Dipper stick cutter
    Patent number: 7628185
    Abstract: A tree and brush cutter is attached to a dipper stick of an excavator or backhoe to be operated by a curl cylinder on the dipper stick. Blades on the cutter face the boom side of the dipper stick where an operator can observe their opening and closing. A link system on the cutter transmits an advancing motion of the curl cylinder into a cutting motion of the blades and a retraction motion of the curl cylinder to opening of the blades.
    Type: Grant
    Filed: February 9, 2006
    Date of Patent: December 8, 2009
    Inventor: John Crowley, Jr.