Patents by Inventor Wang-Chang WANG

Wang-Chang WANG 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).

  • PURGING DEVICE AND METHOD FOR PURGING A DELIVERING CONTAINER ON A LOAD PORT
    Publication number: 20190035660
    Abstract: A purging device includes an intake module, an exhausting module, a first purge gas supplying module, a second purge gas supplying module, a control valve and a processing module. The processing module is electrically connected to the control valve, and is operable so as to control the control valve to allow flow of a first purge gas from the first purge gas supplying module into the intake module, while preventing flow of a second purge gas from the second purge gas supplying module into the intake module, or allow flow of the second purge gas from the second purge gas supplying module into the intake module, while preventing flow of the first purge gas from the first purge gas supplying module into the intake module.
    Type: Application
    Filed: June 4, 2018
    Publication date: January 31, 2019
    Inventors: Kuan-Ting LIN, Wang-Chang WANG