Patents by Inventor Robert McNerney

Robert McNerney 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).

  • Sewer clean out device
    Patent number: 4387750
    Abstract: A sewer clean out device comprising a tank in direct connection with the sewer which holds and releases a high volume of aqueous solution into the sewer to keep the sewer line clean and open, and thus prevent a clogged sewer line. The tank has valve release to maintain a head of aqueous solution within the tank for later release.
    Type: Grant
    Filed: October 22, 1981
    Date of Patent: June 14, 1983
    Inventor: Robert McNerney