Patents by Inventor Timothy E. Marsh

Timothy E. Marsh 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: 8728217
    Abstract: In some embodiments, the present invention provide filtration media for the treatment of flue gas streams and methods of making and using the same. In one embodiment, a filtration medium comprises a pollutant absorbent layer comprising a plurality of activated carbon fibers, at least one woven fabric, and at least one non-woven fabric, wherein the pollutant absorbent layer is positioned between the at least one woven fabric and the at least one non-woven fabric.
    Type: Grant
    Filed: July 14, 2011
    Date of Patent: May 20, 2014
    Assignee: PPG Industries Ohio, Inc.
    Inventors: Vedagiri Velpari, Jian Meng, Dennis Gilmore, Timothy E. Marsh, James Watson, Stuart Hellring, Paul A. Westbrook
  • Patent number: 8721777
    Abstract: In some embodiments, the present invention provides filtration media for the treatment of flue gas streams and methods of making and using the same. In one embodiment, a filtration medium comprises a pollutant absorbent layer comprising a plurality of activated carbon fibers, a first woven fabric, and a second woven fabric, wherein the pollutant absorbent layer is positioned between the first woven fabric and the second woven fabric.
    Type: Grant
    Filed: August 26, 2011
    Date of Patent: May 13, 2014
    Assignee: PPG Industries Ohio, Inc.
    Inventors: Vedagiri Velpari, Jian Meng, Paul A. Westbrook, Timothy E. Marsh, Steven Joel Parks
  • Publication number: 20120067220
    Abstract: In some embodiments, the present invention provides filtration media for the treatment of flue gas streams and methods of making and using the same. In one embodiment, a filtration medium comprises a pollutant absorbent layer comprising a plurality of activated carbon fibers, a first woven fabric, and a second woven fabric, wherein the pollutant absorbent layer is positioned between the first woven fabric and the second woven fabric.
    Type: Application
    Filed: August 26, 2011
    Publication date: March 22, 2012
    Inventors: Vedagiri Velpari, Jian Meng, Paul A. Westbrook, Timothy E. Marsh, Steven Joel Parks
  • Publication number: 20120017763
    Abstract: In some embodiments, the present invention provide filtration media for the treatment of flue gas streams and methods of making and using the same. In one embodiment, a filtration medium comprises a pollutant absorbent layer comprising a plurality of activated carbon fibers, at least one woven fabric, and at least one non-woven fabric, wherein the pollutant absorbent layer is positioned between the at least one woven fabric and the at least one non-woven fabric.
    Type: Application
    Filed: July 14, 2011
    Publication date: January 26, 2012
    Inventors: Vedagiri Velpari, Jian Meng, Dennis Gilmore, Timothy E. Marsh, James Watson, Stuart Hellring, Paul A. Westbrook