Patents by Inventor Stuart A. Essex

Stuart A. Essex 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).

  • Excavator attachment
    Patent number: 4881867
    Abstract: A hitch assembly for mounting onto the articulated arm of a hydraulic excavator, backhoe or the like comprising remotely operable jaws (14) for releasibly grasping the hinge pins (15, 16) of a bucket, rock hammer or other device whereby such implements can be quickly and easily interchanged without removal of said pins.
    Type: Grant
    Filed: June 10, 1988
    Date of Patent: November 21, 1989
    Inventors: Stuart A. Essex, Wendy P. Essex