Patents by Inventor Fu Cheng Chuan

Fu Cheng Chuan 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).

  • Ionic air purifier
    Patent number: D437038
    Type: Grant
    Filed: March 10, 2000
    Date of Patent: January 30, 2001
    Assignee: Funix Company
    Inventor: Fu Cheng Chuan
  • Ionic air purifier
    Patent number: D437400
    Type: Grant
    Filed: March 10, 2000
    Date of Patent: February 6, 2001
    Assignee: Funix Company
    Inventor: Fu Cheng Chuan