Patents by Inventor Antonio Ruggeri

Antonio Ruggeri 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).

  • Sedimentation tank
    Patent number: 4451367
    Abstract: A sedimentation tank comprises two sedimentation sections each extending from a narrow end at a common pole to a wide end on the periphery of the structure. The sections are walled by a double start spiral. A flocculating flume runs in one wall and an overflow launder on top of another wall. The spirals preferably follow an exponential law.
    Type: Grant
    Filed: December 15, 1981
    Date of Patent: May 29, 1984
    Assignee: Pasquale Vannucci
    Inventor: Antonio Ruggeri