Patents by Inventor Donald Key

Donald Key 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).

  • Gripping and pulling device and system apparatus
    Publication number: 20060151759
    Abstract: A puller system with an elongate adjustable frame, a ratcheting member at the front end of the frame for lockingly pulling a ratchet line attached to the ratcheting member, a gripper attached to the ratch line at one end and to an external object by one or more noose-like self-adjusting loops which securingly grip and retain the external object, and a guide pulley with pivotable sleeve at the front of the frame adapted to guide the external object which is being extracted from an in-ground opening.
    Type: Application
    Filed: July 13, 2004
    Publication date: July 13, 2006
    Inventors: Donald Key, Lloyd Scott