Patents by Inventor Elmer Richard Wagner

Elmer Richard Wagner 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).

  • Publication number: 20200190779
    Abstract: The two Remote Back-flow Detection and Shut-off Systems that are developed by this patent narrows the possible 12 month time span for contaminating back-flow by detecting and shutting off the back-flow while not changing the current installation or inspection methods of the double check valve assembly.
    Type: Application
    Filed: December 14, 2018
    Publication date: June 18, 2020
    Inventor: Elmer Richard Wagner