Patents by Inventor John Calcagni

John Calcagni 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).

  • Method and apparatus for treating the atmosphere
    Patent number: 6616903
    Abstract: Method and apparatus for treating the atmosphere to lower the concentration of pollutants, such as ozone, hydrocarbons, nitrogen oxides, sulfur oxides, carbon monoxide and the like, therein in which ambient air is passed into operative contact with a stationary substrate such as an automobile at rest, a billboard, an air conditioning unit, a transportation tunnel and the like, the stationary substrate having at least one ambient air contacting surface having a pollutant treating composition, such as manganese compounds, copper compounds, platinum group metals and compounds thereof, precious metals, and the like, thereon.
    Type: Grant
    Filed: December 4, 2000
    Date of Patent: September 9, 2003
    Assignee: Engelhard Corporation
    Inventors: Terence C. Poles, William G. Rosenberg, John Calcagni
  • Method and apparatus for treating the atmosphere
    Publication number: 20010021363
    Abstract: Method and apparatus for treating the atmosphere to lower the concentration of pollutants therein in which ambient air is passed into operative contact with a stationary substrate such as an automobile at rest, a billboard, an air conditioning unit, a transportation tunnel and the like, the stationary substrate having at least one ambient air contacting surface having a pollutant treating composition thereon.
    Type: Application
    Filed: December 4, 2000
    Publication date: September 13, 2001
    Applicant: ENGELHARD CORPORATION
    Inventors: Terence C. Poles, William G. Rosenberg, John Calcagni
  • Method and apparatus for treating the atmosphere
    Patent number: 6200542
    Abstract: Method and apparatus for treating the atmosphere to lower the concentration of pollutants therein in which ambient air is passed into operative contact with a stationary substrate such as an automobile at rest, a billboard, an air conditioning unit, a transportation tunnel and the like, the stationary substrate having at least one ambient air contacting surface having a pollutant treating composition thereon.
    Type: Grant
    Filed: January 19, 1996
    Date of Patent: March 13, 2001
    Assignee: Engelhard Corporation
    Inventors: Terence C. Poles, William G. Rosenberg, John Calcagni