Patents by Inventor John Chi-Young Lu

John Chi-Young Lu 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).

  • Cleaning process for a powder transfer system
    Patent number: 11707771
    Abstract: A method of cleaning a complex powder transfer system including providing a powder transfer system having a washing fluid source, a spray device valve in fluid communication with the washing fluid source, a backflush valve in fluid communication with the washing fluid source, a receiving device having an upper chamber, a lower chamber, and a membrane filter disposed between the upper and lower chambers. The method includes opening the backflush valve to initiate a backflush cycle, running the backflush cycle to wash the upper chamber with a fluid, and closing the backflush valve after the backflush cycle completes. The method includes opening the spray device valve to initiate a spray device cycle, running the spray device cycle to wash the lower chamber with fluid, and closing the spray device valve after the spray device cycle completes. The method includes opening a pressure valve to provide PCA to the receiving container.
    Type: Grant
    Filed: March 23, 2020
    Date of Patent: July 25, 2023
    Assignees: BAXTER HEALTHCARE SA, BAXTER INTERNATIONAL INC.
    Inventors: Frank Lionel White, John Chi-Young Lu, Greg Allen Hain, Cathelene Valerie Compton
  • CLEANING PROCESS FOR A POWDER TRANSFER SYSTEM
    Publication number: 20200316658
    Abstract: A method of cleaning a complex powder transfer system including providing a powder transfer system having a washing fluid source, a spray device valve in fluid communication with the washing fluid source, a backflush valve in fluid communication with the washing fluid source, a receiving device having an upper chamber, a lower chamber, and a membrane filter disposed between the upper and lower chambers. The method includes opening the backflush valve to initiate a backflush cycle, running the backflush cycle to wash the upper chamber with a fluid, and closing the backflush valve after the backflush cycle completes. The method includes opening the spray device valve to initiate a spray device cycle, running the spray device cycle to wash the lower chamber with fluid, and closing the spray device valve after the spray device cycle completes. The method includes opening a pressure valve to provide PCA to the receiving container.
    Type: Application
    Filed: March 23, 2020
    Publication date: October 8, 2020
    Inventors: Frank Lionel White, John Chi-Young Lu, Greg Allen Hain, Cathelene Valerie Compton