Patents by Inventor Chwll-Hwa Park

Chwll-Hwa 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).

  • Rock fragmentation system using gold schmidt method
    Patent number: 5773750
    Abstract: A rock fragmentation system using Gold Schmidt method and process for blasting using the machine are provided, wherein the blasting machine has a capacitor bank, a switch, a high voltage electric power supply, a first charge dump and a second charge dump, and an electrode assembly which is connected to capacitor bank and switch with a coxial cable and electrodes at a lower end of the electrode assembly, wherein an aluminum and metal oxide composition of a predetermined mixture ratio is inserted between electrodes in a lower end of the electrode assembly for generating an instant reaction energy by discharging the electric energy.
    Type: Grant
    Filed: October 22, 1996
    Date of Patent: June 30, 1998
    Assignee: Soosan Special Purpose Vehicle Co., Ltd.
    Inventors: Hwan-Young Jae, Chwll-Hwa Park, Hak-Won Kim, Byung-Ro Song, Woo-Sik Kim, Dae-Seung Kim