Patents by Inventor Siew Wah Chai

Siew Wah Chai 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).

  • Intensified pressure swing adsorption system and process cycles
    Patent number: 11583798
    Abstract: The present invention relates to an intensified 5-bed and 6-bed PSA process cycles features, as well as fast rate adsorbents that enable the intensified PSA system to meet cost and performance target are identified. The proposed capital efficient H2PSA system offers opportunity to reduce PSA capital expenditure by ten percent (10%).
    Type: Grant
    Filed: November 3, 2020
    Date of Patent: February 21, 2023
    Assignee: PRAXAIR TECHNOLOGY, INC.
    Inventors: Siew Wah Chai, Yang Luo
  • INTENSIFIED PRESSURE SWING ADSORPTION SYSTEM AND PROCESS CYCLES
    Publication number: 20210187432
    Abstract: The present invention relates to an intensified 5-bed and 6-bed PSA process cycles features, as well as fast rate adsorbents that enable the intensified PSA system to meet cost and performance target are identified. The proposed capital efficient H2PSA system offers opportunity to reduce PSA capital expenditure by ten percent (10%).
    Type: Application
    Filed: November 3, 2020
    Publication date: June 24, 2021
    Inventors: Siew Wah Chai, Yang Luo