Patents by Inventor Jung Gun Gwak

Jung Gun Gwak 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: 20090293367
    Abstract: A sash window having a prefabricated guide channel for construction equipment is provided, in which a prefabricated guide channel for supporting sash glass is detachably fixed to a sash frame mounted on a cab, and thus, when the sash glass is damaged or replacement of the sash glass is required, the sash glass can be replaced in a state where the sash frame is fixed to the cab. The sash window having a prefabricated guide channel for construction equipment includes a sash frame mounted on a cab, a first seal seated in an inner seat groove of the sash frame to support an edge of a first sash glass, a guide channel located outside the first seal and detachably fixed to the sash frame, and a second seal seated in an engagement groove of the guide channel to support an edge of a second sash glass.
    Type: Application
    Filed: May 22, 2009
    Publication date: December 3, 2009
    Inventor: Jung Gun GWAK
  • Patent number: 7438349
    Abstract: An operator cab for heavy construction equipment is disclosed to prevent a sliding door from rocking or rattling due to a shock or vibration applied to the cab in a state that the sliding door slidably mounted on the cab is opened or closed.
    Type: Grant
    Filed: December 5, 2006
    Date of Patent: October 21, 2008
    Assignee: Volvo Construction Equipment Holding Sweden AB
    Inventors: Chun Ho Jo, Jung Gun Gwak
  • Publication number: 20070210619
    Abstract: An operator cab for heavy construction equipment is disclosed to prevent a sliding door from rocking or rattling due to a shock or vibration applied to the cab in a state that the sliding door slidably mounted on the cab is opened or closed.
    Type: Application
    Filed: December 5, 2006
    Publication date: September 13, 2007
    Inventors: Chun Ho Jo, Jung Gun Gwak
  • Patent number: D518071
    Type: Grant
    Filed: February 7, 2005
    Date of Patent: March 28, 2006
    Assignee: Volvo Construction Equipment Holding Sweden AB
    Inventors: Jung Gun Gwak, Hak Shin Kim