Patents by Inventor Guang Hao Chen

Guang Hao Chen 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).

  • Apparatus for treating wastewater from catering industry
    Patent number: 6758965
    Abstract: The invention relates to an apparatus for treating wastewater from catering industry, especially restaurants. Said apparatus comprises a single reactor tank, said reactor tank comprising: an inlet; an outlet; and an oil-tight tank therein an upper oil film zone, an anoxic zone below said oil film zone and an anaerobic zone below said anoxic zone are divided; an upper net and a lower net are respectively located in the anoxic and anaerobic zones; and some plastic suspending media as biocarriers are introduced in the anoxic and anaerobic zones. The apparatus requires minimal space, energy and operation costs.
    Type: Grant
    Filed: August 19, 2002
    Date of Patent: July 6, 2004
    Assignee: Great Vision Bioenvironmental Engineering Limited
    Inventor: Guang Hao Chen
  • Apparatus for treating wastewater from catering industry
    Publication number: 20040031734
    Abstract: The invention relates to an apparatus for treating wastewater from catering industry, especially restaurants. Said apparatus comprises a single reactor tank, said reactor tank comprising: an inlet; an outlet; and an oil-tight tank therein an upper oil film zone, an anoxic zone below said oil film zone and an anaerobic zone below said anoxic zone are divided; an upper net and a lower net are respectively located in the anoxic and anaerobic zones; and some plastic suspending media as biocarriers are introduced in the anoxic and anaerobic zones. The apparatus requires minimal space, energy and operation costs.
    Type: Application
    Filed: August 19, 2002
    Publication date: February 19, 2004
    Inventor: Guang Hao Chen