Patents by Inventor Edward R. Woerner

Edward R. Woerner 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: 4757252
    Abstract: A probe comprises a plurality of longitudinally extended conductors forming a probe electrode, a laterally displaced ground electrode and two laterally displaced active guard electrodes interposed between the probe electrode and the ground electrode. The conductors are surrounded by solid insulation and the probe guard electrodes are driven at substantially the same potential as the probe electrode. The probe is utilized to measure the condition of materials in which the probe is immersed.
    Type: Grant
    Filed: October 25, 1985
    Date of Patent: July 12, 1988
    Assignee: Drexelbrook Controls, Inc.
    Inventors: Frederick L. Maltby, Edward R. Woerner, Thomas E. Meacham, Jr., Steven R. Petersen