Patents by Inventor Scott Martin Ertl

Scott Martin Ertl 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).

  • Stray voltage suppression device
    Patent number: 7230179
    Abstract: A stray voltage suppression device includes a motor-driven conductive vane which rotates in planes oriented at least substantially parallel to the ground, with the motor casing being connected to the ground below. The device has been found useful to reduce or eliminate stray voltage about the area at which it is installed.
    Type: Grant
    Filed: November 7, 2005
    Date of Patent: June 12, 2007
    Inventor: Scott Martin Ertl