Patents by Inventor Chug-Ming Chen

Chug-Ming 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).

  • Air sanitizing device for vehicles
    Patent number: 6908597
    Abstract: An air sanitizing device for vehicles includes a casing attached to an air vent of the vehicle and having a passage defined therethrough. An ultraviolet LCD is located in the passage and powered by a power supply device connected to the casing. The power supply device can be powered by batteries, AC or DC electric current.
    Type: Grant
    Filed: January 15, 2002
    Date of Patent: June 21, 2005
    Inventors: Chug-Ming Chen, Chen-Chen Liu
  • Air sanitilizing device for vehicles
    Publication number: 20030133859
    Abstract: An air sanitizing device for vehicles includes a casing attached to an air vent of the vehicle and having a passage defined therethrough. An ultraviolet LCD is located in the passage and powered by a power supply device connected to the casing. The power supply device can be powered by batteries, AC or DC electric current.
    Type: Application
    Filed: January 15, 2002
    Publication date: July 17, 2003
    Inventors: Chug-Ming Chen, Chen-Chen Liu