Patents by Inventor O-Won Kwon

O-Won Kwon 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: 5507233
    Abstract: The present invention relates to power and free conveyor capable of loading a carrier, and particularly the present invention relates to a power and free conveyor in which a carrier moving is made possible by a power line interrupter without a separate device, a carrier and dog projection preventing device is not needed on a group rail, and particularly, the contact noise generated between the dog and a forcing-up cam is eliminated during the stop of the carrier, so that the working environment should be improved, and that disorders should be reduced.
    Type: Grant
    Filed: June 8, 1994
    Date of Patent: April 16, 1996
    Assignee: Hyundai Heavy Industries Co., Ltd.
    Inventors: O-Won Kwon, Young-Su Song