Patents by Inventor Jong-Hwa Go

Jong-Hwa Go 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).

  • Cycle with single wheel
    Patent number: 9511821
    Abstract: The present invention relates to a cycle with a single wheel, and a cycle with a single wheel according to the present invention includes: a wheel with a central hub; a roller contacting the inside surface of the hub with a plurality of roller shafts connected to both ends of the hub, the roller shafts being separated from each other with a given interval; a hub cover with the outside connected to the end part of a cycle body; a gear shaft provided with a first multi-stage gear and connected to the hub cover so as to be positioned between the plurality of roller shafts; and a pedal shaft inserted through a hole formed in a given position of the hub cover so as to penetrate the hub, wherein the pedal shaft is mounted with a gear engaging with one end of the first multi-stage gear, and a second multi-stage gear is inserted with one end thereof spaced from the gear to engage with the other end of the first multi-stage gear and the other end thereof engaging with a gear part formed in the inner peripheral surface
    Type: Grant
    Filed: April 17, 2014
    Date of Patent: December 6, 2016
    Inventor: Jong Hwa Go
  • CYCLE WITH SINGLE WHEEL
    Publication number: 20160052600
    Abstract: The present invention relates to a cycle with a single wheel, and a cycle with a single wheel according to the present invention includes: a wheel with a central hub; a roller contacting the inside surface of the hub with a plurality of roller shafts connected to both ends of the hub, the roller shafts being separated from each other with a given interval; a hub cover with the outside connected to the end part of a cycle body; a gear shaft provided with a first multi-stage gear and connected to the hub cover so as to be positioned between the plurality of roller shafts; and a pedal shaft inserted through a hole formed in a given position of the hub cover so as to penetrate the hub, wherein the pedal shaft is mounted with a gear engaging with one end of the first multi-stage gear, and a second multi-stage gear is inserted with one end thereof spaced from the gear to engage with the other end of the first multi-stage gear and the other end thereof engaging with a gear part formed in the inner peripheral surface
    Type: Application
    Filed: April 17, 2014
    Publication date: February 25, 2016
    Inventor: Jong-Hwa GO
  • Bicycle having a power transmission device
    Patent number: 9114841
    Abstract: The present invention concerns a pedal cycle which is devised in such a way that, in order to improve on the fact that principally with unicycles the rider cannot easily mount, the space inside the hub is provided with a plurality of rollers for dividing up and receiving the weight transmitted to the frame at a downwardly widening angle rather than in the center of the wheel, and a geared drive force is transmitted to the wheel via a gear coupled to a pedal shaft passing through one end of the rollers.
    Type: Grant
    Filed: February 25, 2013
    Date of Patent: August 25, 2015
    Inventor: Jong-Hwa Go
  • Bicycle
    Publication number: 20140361510
    Abstract: The present invention concerns a pedal cycle which is devised in such a way that, in order to improve on the fact that principally with unicycles the rider cannot easily mount, the space inside the hub is provided with a plurality of rollers for dividing up and receiving the weight transmitted to the frame at a downwardly widening angle rather than in the centre of the wheel, and a geared drive force is transmitted to the wheel via a gear coupled to a pedal shaft passing through one end of the rollers.
    Type: Application
    Filed: February 25, 2013
    Publication date: December 11, 2014
    Inventor: Jong-Hwa Go