Patents by Inventor Juan C. Vargas

Juan C. Vargas 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).

  • Patent number: 10563932
    Abstract: A process and apparatus for cooling catalyst in a catalyst cooler is disclosed. Nested tubes in the catalyst cooler have an undulating wall for improving heat transfer from the catalyst bed across the wall to the water inside the tubes. The outer tubes have an end wall at an inlet end opposed to an outlet end of a respective inner tube. The helical wall improves the efficiency of heat transfer to increase cooler duty for heavy feed stocks.
    Type: Grant
    Filed: December 21, 2017
    Date of Patent: February 18, 2020
    Assignee: UOP LLC
    Inventors: Juan C. Vargas, Dharmesh C. Panchal
  • Publication number: 20190195574
    Abstract: A process and apparatus for cooling catalyst in a catalyst cooler is disclosed. Nested tubes in the catalyst cooler have an undulating wall for improving heat transfer from the catalyst bed across the wall to the water inside the tubes. The outer tubes have an end wall at an inlet end opposed to an outlet end of a respective inner tube. The helical wall improves the efficiency of heat transfer to increase cooler duty for heavy feed stocks.
    Type: Application
    Filed: December 21, 2017
    Publication date: June 27, 2019
    Inventors: Juan C. Vargas, Dharmesh C. Panchal