Patents by Inventor Chanwon Hwang

Chanwon Hwang 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).

  • Rain shield device for vehicle
    Patent number: 9302570
    Abstract: An automotive rain shield system including: an air compressor that injects and sucks air to operate a rain shield; a shield module including a lift tube that operates an X-shaped frame so that the rain shield like a tent expands, by expanding when the air compressor injects air into the lift tube, and a rain shield tube that expands when the air compressor injects air into the rain shield tube so that the rain shield like a tent expands; an external switch that inputs a signal for making the air compressor inject air, outside a vehicle; and a door sensor that senses a door of the vehicle closing so that the air compressor returns the rain shield by sucking the air.
    Type: Grant
    Filed: February 20, 2013
    Date of Patent: April 5, 2016
    Assignee: DONG-A UNIVERSITY RESEARCH FOUNDATION FOR INDUSTRY-ACADEMY COOPERATION
    Inventors: Jeongkuk Yeom, Jungmin Youn, Chanwon Hwang, Seunglok Baek, Minwoong Lee, Jungsik Choi, Sangyun Shin
  • RAIN SHIELD DEVICE FOR VEHICLE
    Publication number: 20150283887
    Abstract: An automotive rain shield system including: an air compressor that injects and sucks air to operate a rain shield; a shield module including a lift tube that operates an X-shaped frame so that the rain shield like a tent expands, by expanding when the air compressor injects air into the lift tube, and a rain shield tube that expands when the air compressor injects air into the rain shield tube so that the rain shield like a tent expands; an external switch that inputs a signal for making the air compressor inject air, outside a vehicle; and a door sensor that senses a door of the vehicle closing so that the air compressor returns the rain shield by sucking the air.
    Type: Application
    Filed: February 20, 2013
    Publication date: October 8, 2015
    Inventors: Jeongkuk Yeom, Jungmin Youn, Chanwon Hwang, Seunglok Baek, Minwoong Lee, Jungsik Choi, Sangyun Shin