Patents by Inventor Ji-Heun Yook

Ji-Heun Yook 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: 8875836
    Abstract: A tail pipe for a muffler is provided that can improve aesthetical appearance of a rear surface of a vehicle, while preventing noise that is generated by air currents. The tail pipe may be a hollow tail pipe which is disposed at a rear end of a rear exhaust pipe connected to a rear end of the muffler, and which functions as an outlet adapted to discharge exhaust gas. The tail pipe may include: at least one panel forming an interior surface and an exterior surface opposite to the interior surface; a space surrounded by the panel and formed between the interior surface and the exterior surface; a receiving hole formed at the interior surface; and a barrier mounted in the space and partially protruded through the receiving hole, where the barrier collects soot from the exhaust gas.
    Type: Grant
    Filed: September 18, 2013
    Date of Patent: November 4, 2014
    Assignees: Hyundai Motor Company, Kia Motors Company
    Inventors: Ki-Chul Park, Ji-Heun Yook, Jay Yon Jo
  • Publication number: 20140158460
    Abstract: A tail pipe for a muffler is provided that can improve aesthetical appearance of a rear surface of a vehicle, while preventing noise that is generated by air currents. The tail pipe may be a hollow tail pipe which is disposed at a rear end of a rear exhaust pipe connected to a rear end of the muffler, and which functions as an outlet adapted to discharge exhaust gas. The tail pipe may include: at least one panel forming an interior surface and an exterior surface opposite to the interior surface; a space surrounded by the panel and formed between the interior surface and the exterior surface; a receiving hole formed at the interior surface; and a barrier mounted in the space and partially protruded through the receiving hole, where the barrier collects soot from the exhaust gas.
    Type: Application
    Filed: September 18, 2013
    Publication date: June 12, 2014
    Applicants: KIA MOTORS CORPORATION, HYUNDAI MOTOR COMPANY
    Inventors: Ki-Chul Park, Ji-Heun Yook, Jay Yon Jo