Patents by Inventor Gyeong Hwa JEON

Gyeong Hwa JEON 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).

  • Floating boat lifting apparatus for raising or lowering the boat from or onto the water
    Patent number: 9957024
    Abstract: A boat lifting device for lifting a ship, such as a motorboat, a utility boat, a prefabricated rubber boat, a shipping boat, a cruise yacht, or a dinghy yacht, above the surface or for floating the same on the surface and, more particularly, to a boat lifting device operated by a hydraulic cylinder, air, water pressure, a worm gear, or a rotor.
    Type: Grant
    Filed: May 28, 2015
    Date of Patent: May 1, 2018
    Assignee: KSB & SUNGPOONG CO., LTD
    Inventors: Im Cheol Choi, Gyeong Hwa Jeon
  • FLOATING BOAT LIFTING APPARATUS FOR RAISING OR LOWERING THE BOAT FROM OR ONTO THE WATER
    Publication number: 20170197694
    Abstract: The present invention relates to a boat lift device for lifting a ship, such as a motorboat, a utility boat, a prefabricated rubber boat, a shipping boat, a cruise yacht, or a dinghy yacht, above the surface or for floating the same on the surface and, more particularly, to a boat lift device operated by a hydraulic cylinder, air, water pressure, a worm gear, or a rotor. A device for floating a ship or lifting an immersed boat according to the present invention is configured such that, when the ship is fully lifted above the surface, the lower portion of a lifting assembly is not immersed below the surface, and load transfer portions of buoyancy tanks are not abraded, thereby ensuring excellent durability and natural, smooth operation of the buoyancy tanks.
    Type: Application
    Filed: May 28, 2015
    Publication date: July 13, 2017
    Inventors: Im Cheol CHOI, Gyeong Hwa JEON