Patents by Inventor Moo Kil CHOI

Moo Kil CHOI 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).

  • Apparatus for manufacturing core using inorganic binder
    Patent number: 11311932
    Abstract: A core manufacturing apparatus using an inorganic binder includes a mulling sand feeder that supplies mulling sand comprising sand and the inorganic binder, a mold that receives the mulling sand from the mulling sand feeder and molds the mulling sand into a core, and a mold heating device that heats the mold. The mold includes an upper mold and a lower mold and has a plurality of cavities formed therein in which the mulling sand is deposited. The mold further includes an inner fluid channel through which fluid flows.
    Type: Grant
    Filed: October 24, 2019
    Date of Patent: April 26, 2022
    Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION, ABC Industries Co., Ltd.
    Inventors: Kyoung Yong Kim, Jong Wook Kim, Seok Ha, Hyun Min Jeong, Moo Kil Choi
  • APPARATUS FOR MANUFACTURING CORE USING INORGANIC BINDER
    Publication number: 20200282453
    Abstract: A core manufacturing apparatus using an inorganic binder includes a mulling sand feeder that supplies mulling sand comprising sand and the inorganic binder, a mold that receives the mulling sand from the mulling sand feeder and molds the mulling sand into a core, and a mold heating device that heats the mold. The mold includes an upper mold and a lower mold and has a plurality of cavities formed therein in which the mulling sand is deposited. The mold further includes an inner fluid channel through which fluid flows.
    Type: Application
    Filed: October 24, 2019
    Publication date: September 10, 2020
    Inventors: Kyoung Yong KIM, Jong Wook KIM, Seok HA, Hyun Min JEONG, Moo Kil CHOI