Patents by Inventor Marilyn K. Carter

Marilyn K. Carter 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).

  • Manhole pipe shunt device
    Patent number: 8292263
    Abstract: A pipe shunt device for allowing sewage to bypass a trough in a manhole and travel from an inlet port to an outlet port comprising a hose, a first plug component having a first plug removably attachable to the first end of the hose via a first attachment clamp; a second plug component having a second plug removably attachable to the second end of the hose via a second attachment clamp; wherein a valve lever is disposed in the first plug component that allows or prevents sewage from flowing from the inlet port to the outlet port.
    Type: Grant
    Filed: December 11, 2008
    Date of Patent: October 23, 2012
    Inventors: George Rozsavolgyi, Jeffrey J. Carter, Marilyn K. Carter