Patents by Inventor Douglas E. Snodgrass

Douglas E. Snodgrass 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).

  • Voltage regulator test set for the power distribution industry
    Patent number: 5537030
    Abstract: A portable test set for testing the voltage regulators used by utilities in the power distribution industry for regulating a voltage level of electrical power supplied over a transmission line comprises a first electrical lead adapted for connection to the source bushing on the regulator, a second electrical lead adapted for connection to the load bushing on the regulator, and a third electrical lead adapted for connection to the S/L bushing on the regulator. The test set also includes an electrical terminal adapted for connecting a voltage continuity tester between the second lead and the third lead, an electrical terminal adapted for connection to an alternating current source, and an electrical terminal adapted for connection to a voltmeter.
    Type: Grant
    Filed: July 21, 1994
    Date of Patent: July 16, 1996
    Assignee: Union Electric Company
    Inventors: Douglas E. Snodgrass, William L. Haffecke