Patents by Inventor Chun-Han Lee

Chun-Han Lee 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).

  • Publication number: 20100199730
    Abstract: An antitheft system and method for construction equipment is disclosed. The antitheft system and method can prevent the construction equipment from driving if a driver gets out of a cabin in the state in which an ignition is turned on so as to preheat a heater or engine or in a case where a driving unit is not manipulated during a predetermined period.
    Type: Application
    Filed: February 9, 2010
    Publication date: August 12, 2010
    Inventor: Chun Han Lee
  • Publication number: 20100204873
    Abstract: Construction equipment including a hydraulic pump driven by an engine, a lower driving structure, an upper swing structure swingably mounted on the lower driving structure, a working device mounted on the upper swing structure and having a boom, an arm, and a bucket respectively driven by a hydraulic cylinder is disclosed. The construction equipment comprises a rear view camera to permit a driver to view rearward traffic conditions.
    Type: Application
    Filed: February 9, 2010
    Publication date: August 12, 2010
    Inventor: Chun Han Lee