Patents by Inventor Kenneth D. Napps

Kenneth D. Napps 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: 6097293
    Abstract: A passive electrical marker has tuned circuits, each of which includes a coil and a capacitance. The tuned circuits are oriented with respect to each other in a predetermined arrangement so as to provide a broader spatial response. A foamed core inside of the tuned circuits maintains the tuned circuits in their respective orientations and protects the tuned circuits from mechanical shock. A shell or housing around the foamed tuned circuits provides environmental protection to the tuned circuits. The tuned circuits can be foamed together in a mold and then placed into the housing. Alternatively, the tuned circuits can be foamed together inside of a housing, which housing maintains the orientations between the tuned circuits during foaming. As still another alternative, the housing can be applied to the outside of the foamed tuned circuits as a coating.
    Type: Grant
    Filed: April 15, 1999
    Date of Patent: August 1, 2000
    Assignee: Industrial Technology, Inc.
    Inventors: George G. Galloway, Ronald L. McWilliams, John Moss, Kenneth D. Napps, Sean Nash, Paul R. Siglinger, William C. Wood