Patents by Inventor CHANG YUP SEO

CHANG YUP SEO 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).

  • Modified dry ice systems and methods for preserving perishable items within a single holding volume
    Patent number: 11085688
    Abstract: This invention relates to a novel two-stage dry ice system for preserving perishable items during transport and methods thereof. The improved two-stage dry ice system includes dry ice and a phase change material specifically configured within a single and continuous holding volume with perishable items. Preservation of the perishable items for extended durations in comparison to other refrigeration techniques can be achieved as a result of the two-stage dry system having the ability to re-orient itself during transport.
    Type: Grant
    Filed: August 26, 2019
    Date of Patent: August 10, 2021
    Assignee: Praxair Technology, Inc.
    Inventors: Chang Yup Seo, Soujanya N Jampala, Sameer H Israni, Robert R Sever
  • MODIFIED DRY ICE SYSTEMS AND METHODS FOR PRESERVING PERISHABLE ITEMS WITHIN A SINGLE HOLDING VOLUME
    Publication number: 20200072523
    Abstract: This invention relates to a novel two-stage dry ice system for preserving perishable items during transport and methods thereof. The improved two-stage dry ice system includes dry ice and a phase change material specifically configured within a single and continuous holding volume with perishable items. Preservation of the perishable items for extended durations in comparison to other refrigeration techniques can be achieved as a result of the two-stage dry system having the ability to re-orient itself during transport.
    Type: Application
    Filed: August 26, 2019
    Publication date: March 5, 2020
    Inventors: CHANG YUP SEO, SOUJANYA N. JAMPALA, SAMEER H. ISRANI, ROBERT R. SEVER