Patents by Inventor David M. Thom

David M. Thom 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).

  • Gas subcooled process conversion to recycle split vapor for recovery of ethane and propane
    Patent number: 11473837
    Abstract: A design is provided to convert a gas subcooled process plant to a recycle split vapor process for recovering ethane and propane from natural gas. When in operation, the recovery of ethane and propane can exceed 97 to 99 wt. % of the stream being processed. A second smaller demethanizer column is added to the gas subcooled process plant as well as the addition of several cryogenic pumps.
    Type: Grant
    Filed: July 9, 2019
    Date of Patent: October 18, 2022
    Assignee: UOP LLC
    Inventors: David M. Thom, Jeffrey R. Garrison, David Farr
  • GAS SUBCOOLED PROCESS CONVERSION TO RECYCLE SPLIT VAPOR FOR RECOVERY OF ETHANE AND PROPANE
    Publication number: 20200072546
    Abstract: A design is provided to convert a gas subcooled process plant to a recycle split vapor process for recovering ethane and propane from natural gas. When in operation, the recovery of ethane and propane can exceed 97 to 99 wt. % of the stream being processed. A second smaller demethanizer column is added to the gas subcooled process plant as well as the addition of several cryogenic pumps.
    Type: Application
    Filed: July 9, 2019
    Publication date: March 5, 2020
    Inventors: David M. Thom, Jeffrey R. Garrison, David Farr