Patents by Inventor Larry L. Shroyer

Larry L. Shroyer 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: 4326954
    Abstract: A fluid treating apparatus comprising an elongated non-magnetic tube having opposite ends. An insulated wire is wound in multilayered closely packed helical fashion about the tube between its opposite ends. The adjacent turns of the wire are electrically insulated from each other and the tube. The wound wire is enscapsulated in a protective covering which envelopes the wire and a portion of the non-magnetic tube. In a specific embodiment, an indicator is incorporated with the device to indicate when the wire is energized.
    Type: Grant
    Filed: December 26, 1979
    Date of Patent: April 27, 1982
    Assignee: Ener-Tec, Inc.
    Inventor: Larry L. Shroyer