Patents by Inventor Danilo Chili

Danilo Chili 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).

  • Water treatment apparatus
    Patent number: 5273070
    Abstract: Water treatment apparatus having a raw water inlet and a treated water outlet and at least a first and second water treatment tank plus conduit means for passing water from the inlet to the outlet through the first and second tanks in parallel flow relation. The tanks are automatically regenerated in sequential, alternating intermittent manner in response to predetermined criteria. The tank being regenerated is connected to prevent flow from said tank through the outlet, while the tank not being regenerated is connected to provide flow through the outlet. Accordingly, continuous water treatment, with alternating, intermittent regeneration of the tanks, may be provided.
    Type: Grant
    Filed: July 13, 1992
    Date of Patent: December 28, 1993
    Assignee: Culligan International Company
    Inventors: Danilo Chili, Ramon Bragos, William W. Norton, Stanley F. Rak
  • Water treatment apparatus
    Patent number: 5073255
    Abstract: Water treatment apparatus having a raw water inlet and a treated water outlet and at least a first and second water treatment tank plus conduit means for passing water from the inlet to the outlet through the first and second tanks in parallel flow relation. The tanks are automatically regenerated in sequential, alternating intermittent manner in response to predetermined criteria. The tank being regenerated is connected to prevent flow from said tank through the outlet, while the tank not being regenerated is connected to provide flow through the outlet. Accordingly, continuous water treatment, with alternating, intermittent regeneration of the tanks, may be provided.
    Type: Grant
    Filed: October 5, 1989
    Date of Patent: December 17, 1991
    Assignee: Culligan International Company
    Inventors: Danilo Chili, Ramon Bragos, William W. Norton, Stanley F. Rak