Patents by Inventor Petros Zamkochyan

Petros Zamkochyan 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).

  • Method for notification of sewer line contents
    Patent number: 10240705
    Abstract: A clean out notification disc is placed in a clean out underneath a clean out cover to provide a durable notification mechanism of certain conditions of a main sewer line, such as, for example, the existence of a sewer liner, a backflow valve or a grease trap.
    Type: Grant
    Filed: June 26, 2015
    Date of Patent: March 26, 2019
    Inventor: Petros Zamkochyan