Patents by Inventor Sol Ahn

Sol Ahn 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).

  • Publication number: 20230356188
    Abstract: Catalyst systems are provided which, in embodiments, comprise an aluminum oxide support comprising nickel, a layer of a lanthanide oxide on a surface of the aluminum oxide support, and a layer of aluminum oxide on a surface of the layer of the lanthanide oxide. In other embodiments, a catalyst system comprises an aluminum oxide support comprising nickel, a plurality of lanthanide oxide microdomains on surfaces of the nickel of the aluminum oxide support, and aluminum oxide on surfaces of the plurality of lanthanide oxide microdomains. Methods of making and using the catalyst systems, e.g., in methane reforming reactions, are also provided.
    Type: Application
    Filed: May 3, 2023
    Publication date: November 9, 2023
    Inventors: Tobin J. Marks, Peter C. Stair, Patrick Littlewood, Sol Ahn
  • Publication number: 20130133278
    Abstract: A non-welding type concrete-filled steel tube column utilizing a slot, in which an external steel tube is bended and retracted to allow a jointing portion thereof to be formed as a T-shaped bending part is provided. A slot is inserted into the T-shaped bending part in a sliding manner to construct in a non-welding manner, and a multi-perforated penetrating part can be formed on the external steel tube to secure fire resistance capacity thereof. A method of fabricating the same is also provided.
    Type: Application
    Filed: September 14, 2012
    Publication date: May 30, 2013
    Applicant: KOREA INSTITUTE OF CONSTRUCTION TECHNOLOGY
    Inventors: HYUNG-JUN KIM, HEUNG-YOUL KIM, IN-HWAN YEO, CHAN-SOL AHN