Patents by Inventor Ercolano Pingiotti

Ercolano Pingiotti 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).

  • Patent number: 5403166
    Abstract: A drain flushing device for allowing a user to unclog a drain in either of two modes. The user is given the option to either use the device as a liquid column guide or as a pump.
    Type: Grant
    Filed: October 28, 1993
    Date of Patent: April 4, 1995
    Inventor: Ercolano Pingiotti