Patents by Inventor Paul Dauenhauer

Paul Dauenhauer 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: 11873227
    Abstract: Embodiments of the disclosure provide an apparatus and process for producing ammonia. The apparatus includes a reactor having (i) an inlet to receive an inlet gas comprising nitrogen and hydrogen, (ii) a catalyst and an absorbent disposed within an internal volume of the reactor, the catalyst configured to convert the nitrogen and hydrogen to a reaction mixture including ammonia, unreacted nitrogen, and unreacted hydrogen, the absorbent configured to selectively absorb a portion of the ammonia in the reactor during formation of the reaction mixture, and (iii) an outlet to discharge the reaction mixture from the reactor.
    Type: Grant
    Filed: April 15, 2020
    Date of Patent: January 16, 2024
    Assignee: REGENTS OF THE UNIVERSITY OF MINNESOTA
    Inventors: Edward Cussler, Alon McCormick, Michael Reese, Deepak Ojha, Matt Kale, Paul Dauenhauer, Prodromos Daoutidis, Mohammadmahdi Malmali
  • Publication number: 20200325030
    Abstract: Embodiments of the disclosure provide an apparatus and process for producing ammonia. The apparatus includes a reactor having (i) an inlet to receive an inlet gas comprising nitrogen and hydrogen, (ii) a catalyst and an absorbent disposed within an internal volume of the reactor, the catalyst configured to convert the nitrogen and hydrogen to a reaction mixture including ammonia, unreacted nitrogen, and unreacted hydrogen, the absorbent configured to selectively absorb a portion of the ammonia in the reactor during formation of the reaction mixture, and (iii) an outlet to discharge the reaction mixture from the reactor.
    Type: Application
    Filed: April 15, 2020
    Publication date: October 15, 2020
    Inventors: Edward Cussler, Alon McCormick, Michael Reese, Deepak Ojha, Matt Kale, Paul Dauenhauer, Prodromos Daoutidis