Patents by Inventor Christopher I. Hunt

Christopher I. Hunt 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).

  • Patent number: 4848028
    Abstract: An apparatus for fastening an injection capsule having a fastening screw to a tree or woody plant comprising a rotatable shaft supported in a bearing member. The rotatable shaft extends through the bearing member into a cavity for holding and aligning an injection capsule where the shaft is formed into a driving member. The shaft is connected to a power source to rotate the shaft, whereby the driving member engages the fastening screw of the capsule and, upon rotation of the rotatable shaft, the fastening screw is rotatably driven into the tree or woody plant to fasten the injection capsule thereto.
    Type: Grant
    Filed: April 7, 1988
    Date of Patent: July 18, 1989
    Assignee: Powertech Labs Inc.
    Inventors: Robert E. Johnson, William R. Dinsmore, Christopher I. Hunt