Patents by Inventor Ana Arevalo-Hidalgo

Ana Arevalo-Hidalgo 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).

  • Method of purifying hydrogen supplied from a storage cavern
    Patent number: 11571652
    Abstract: The present invention is directed to a method and system of purifying hydrogen supplied from a storage cavern, particularly to removing methane and other hydrocarbons from the hydrogen withdrawn from the cavern by using selective adsorption. The adsorbed impurities can be removed from the adsorbent by increasing the temperature, reducing the pressure, or a combination of both.
    Type: Grant
    Filed: June 22, 2021
    Date of Patent: February 7, 2023
    Assignee: PRAXAIR TECHNOLOGY, INC.
    Inventors: Minish Mahendra Shah, Joseph M. Schwartz, Marian Simo, Paul R. Munsterman, Werner Leitmayr, Keith A. Craigie, Ana Arevalo-Hidalgo, Olivier Dube
  • METHOD OF PURIFYING HYDROGEN SUPPLIED FROM A STORAGE CAVERN
    Publication number: 20220401872
    Abstract: The present invention is directed to a method and system of purifying hydrogen supplied from a storage cavern, particularly to removing methane and other hydrocarbons from the hydrogen withdrawn from the cavern by using selective adsorption. The adsorbed impurities can be removed from the adsorbent by increasing the temperature, reducing the pressure, or a combination of both.
    Type: Application
    Filed: June 22, 2021
    Publication date: December 22, 2022
    Inventors: Minish Mahendra Shah, Joseph M. Schwartz, Marian Simo, Paul R. Munsterman, Werner Leitmayr, Keith A. Craigie, Ana Arevalo-Hidalgo, Olivier Dube