Patents by Inventor Jianyuan Cheng

Jianyuan Cheng 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).

  • Activated carbon for odor control and method for making same
    Patent number: 7241430
    Abstract: An activated carbon-metal oxide matrix is disclosed. The activated carbon-metal oxide matrix may be obtained by a method including the steps of: preoxidizing a carbon material, grinding the preoxidized carbon material; mixing the ground preoxidized material with a metal oxide to form a carbon mixture; extruding the carbon mixture; carbonizing and activating the extrudate. The activated carbon-metal oxide matrix may be used to remove odorous compounds, acidic gases, and volatile organic compounds from a gas.
    Type: Grant
    Filed: March 29, 2006
    Date of Patent: July 10, 2007
    Assignee: Siemens Water Technologies Holding Corp.
    Inventors: James Richard Graham, Jianyuan Cheng