Patents by Inventor George E. Zanolli

George E. Zanolli 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).

  • Cleaning wastewater holding tanks
    Patent number: 7867336
    Abstract: Vibrators, each comprising an electric motor having an eccentric weight on its rotating shaft, are adhesively secured to the bottoms of the wastewater holding tanks of a recreational vehicle, to aid in flushing the tanks by dislodging solid debris from the inside walls and bottoms of the tanks and from the electrodes of the liquid level sensors in the tanks.
    Type: Grant
    Filed: July 24, 2007
    Date of Patent: January 11, 2011
    Inventor: George E. Zanolli
  • Cleaning wastewater holding tanks
    Publication number: 20090025756
    Abstract: Vibrators, each comprising an electric motor having an eccentric weight on its rotating shaft, are adhesively secured to the bottoms of the wastewater holding tanks of a recreational vehicle, to aid in flushing the tanks by dislodging solid debris from the inside walls and bottoms of the tanks and from the electrodes of the liquid level sensors in the tanks.
    Type: Application
    Filed: July 24, 2007
    Publication date: January 29, 2009
    Inventor: George E. Zanolli