Patents by Inventor Tat YUEN

Tat YUEN 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).

  • Adjustable volume sampling system (AVSS)
    Patent number: 11320345
    Abstract: An adjustable volume sampling system is disclosed for aseptically retrieving a sample volume of a fluid from an origination container. The system includes a sampling container. A cap is removably attached to the sampling container so as to close off the open top. The cap includes two ports. A first tube is attached to one of the ports. An elongated diptube extends through port into the sampling container and an upper end of the diptube is located inside a portion of the first tube. The diptube can be raised and lowered relative to the sampling container by pinching an stretching the first tube. Syringes are provided for expelling excess material from the sampling container.
    Type: Grant
    Filed: March 16, 2020
    Date of Patent: May 3, 2022
    Assignee: Avantor Fluid Handling, LLC
    Inventors: Timothy Korwan, Tat Yuen
  • ADJUSTABLE VOLUME SAMPLING SYSTEM (AVSS)
    Publication number: 20200300734
    Abstract: An adjustable volume sampling system is disclosed for aseptically retrieving a sample volume of a fluid from an origination container. The system includes a sampling container. A cap is removably attached to the sampling container so as to close off the open top. The cap includes two ports. A first tube is attached to one of the ports. An elongated diptube extends through port into the sampling container and an upper end of the diptube is located inside a portion of the first tube. The diptube can be raised and lowered relative to the sampling container by pinching an stretching the first tube. Syringes are provided for expelling excess material from the sampling container.
    Type: Application
    Filed: March 16, 2020
    Publication date: September 24, 2020
    Inventors: Timothy KORWAN, Tat YUEN