Patents by Inventor Yeong Jun AN

Yeong Jun AN 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: 11305502
    Abstract: A tire uniformity correcting drum comprises: a lower drum to be in contact with a portion of an inner circumferential surface of a tire; an upper drum provided to be movable up and down with respect to the lower drum and configured to press another portion of the inner circumferential surface of the tire which is not in contact with the lower drum; and a hydraulic driving unit configured to connect the lower drum and the upper drum and move up and down the upper drum with respect to the lower drum. A contact area of the upper drum with the inner circumferential surface of the tire is smaller than a contact area of the lower drum with the inner circumferential surface of the tire.
    Type: Grant
    Filed: July 26, 2019
    Date of Patent: April 19, 2022
    Assignee: KUMHO TIRE CO., INC.
    Inventor: Yeong Jun An
  • Publication number: 20200079041
    Abstract: A tire uniformity correcting drum comprises: a lower drum to be in contact with a portion of an inner circumferential surface of a tire; an upper drum provided to be movable up and down with respect to the lower drum and configured to press another portion of the inner circumferential surface of the tire which is not in contact with the lower drum; and a hydraulic driving unit configured to connect the lower drum and the upper drum and move up and down the upper drum with respect to the lower drum. A contact area of the upper drum with the inner circumferential surface of the tire is smaller than a contact area of the lower drum with the inner circumferential surface of the tire.
    Type: Application
    Filed: July 26, 2019
    Publication date: March 12, 2020
    Inventor: Yeong Jun AN