Patents by Inventor Won Ha PARK

Won Ha PARK 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: 11338871
    Abstract: A magnetic track for traveling on a wall and a ceiling of a steel structure according to an exemplary embodiment of the present invention includes: a front wheel which is connected to a main body and positioned at one end; a rear wheel which is connected to the main body and positioned at the other end to face the front wheel; and a chain which is connected, in the form of a loop, to the front wheel and the rear wheel, in which multiple support devices are provided between the front wheel and the rear wheel to support the chain.
    Type: Grant
    Filed: November 15, 2017
    Date of Patent: May 24, 2022
    Assignee: Zete Crezen Co., Ltd.
    Inventor: Won Ha Park
  • Publication number: 20190283820
    Abstract: A magnetic track for traveling on a wall and a ceiling of a steel structure according to an exemplary embodiment of the present invention includes: a front wheel which is connected to a main body and positioned at one end; a rear wheel which is connected to the main body and positioned at the other end to face the front wheel; and a chain which is connected, in the form of a loop, to the front wheel and the rear wheel, in which multiple support devices are provided between the front wheel and the rear wheel to support the chain.
    Type: Application
    Filed: November 15, 2017
    Publication date: September 19, 2019
    Inventor: Won Ha PARK