Patents by Inventor Phillip D. Jensen

Phillip D. Jensen 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: 5782149
    Abstract: A new Electromagnetic Screwdriver for offering an electromagnet in combination with a manual driven or an electrically driven screwdriver. The inventive device includes electrical windings, a handle, a drive shaft, and a switch. In use, the Electromagnetic Screwdriver 10 is equipped with a tool fitting of choice and allows momentary magnetic attraction while maneuvering to install or unassemble a screw or the like and prevents uncontrollable harmful effects of a magnetic contact with magnetic sensitive components. The magnetic coils can be included in the shaft of the screwdriver, ratchet, or other tool, extended to energize magnetic coils in a variety of extensions for the screwdriver, ratchet, or other tool, or included in a tool tip of the screwdriver, ratchet, or other tool.
    Type: Grant
    Filed: October 9, 1996
    Date of Patent: July 21, 1998
    Inventor: Phillip D. Jensen