Patents by Inventor Chang-Fu Hsu

Chang-Fu Hsu 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 removing high concentration ozone from a waste gas steam
    Patent number: 7572320
    Abstract: A method for removing high concentration ozone from a waste gas stream is disclosed, which includes the following steps: (1) providing an apparatus, which includes: a tank having an input port, an exhaust port and a packing, wherein the input port is near the bottom of the tank, the exhaust port is on the top of the tank, and the packing is contained in the tank; a liquid injection element for injecting reductant solution through the packing; and a storage vessel connecting to the liquid injection element; (2) transporting a gas into the tank through the input port for contacting the reductant solution; and (3) the gas exiting the reactor by way of the exhaust port.
    Type: Grant
    Filed: August 31, 2005
    Date of Patent: August 11, 2009
    Assignee: Industrial Technology Research Institute
    Inventors: Shaw-Yi Yan, Sheng-Jen Yu, Shou-Nan Li, Chang-Fu Hsu, Ping-Chung Chung
  • Method and apparatus for removing high concentration ozone from a waste gas steam
    Publication number: 20060042465
    Abstract: A method for removing high concentration ozone from a waste gas stream is disclosed, which includes the following steps: (1) providing an apparatus, which includes: a tank having an input port, an exhaust port and a packing, wherein the input port is near the bottom of the tank, the exhaust port is on the top of the tank, and the packing is contained in the tank; a liquid injection element for injecting reductant solution through the packing; and a storage vessel connecting to the liquid injection element; (2) transporting a gas into the tank through the input port for contacting the reductant solution; and (3) the gas exiting the reactor by way of the exhaust port.
    Type: Application
    Filed: August 31, 2005
    Publication date: March 2, 2006
    Applicant: Industrial Technology Research Institute
    Inventors: Shaw-Yi Yan, Sheng-Jen Yu, Shou-Nan Li, Chang-Fu Hsu, Ping-Chung Chung