Patents by Inventor Tae In Hyang

Tae In Hyang 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).

  • Double check valve having floating function
    Patent number: 8001882
    Abstract: A double check valve having a floating function is disclosed, which can prevent construction equipment from overturning through intercepting of a floating function even if a signal pressure is fed to the double check valve to perform the floating function in a state that an excavator is supported by a working device (e.g. a dozer blade), i.e. in a jack-up state, on a sloping site and so on.
    Type: Grant
    Filed: September 10, 2008
    Date of Patent: August 23, 2011
    Assignee: Volvo Construction Equipment Holding Sweden AB
    Inventor: Tae In Hyang
  • DOUBLE CHECK VALVE HAVING FLOATING FUNCTION
    Publication number: 20090078111
    Abstract: A double check valve having a floating function is disclosed, which can prevent construction equipment from overturning through intercepting of a floating function even if a signal pressure is fed to the double check valve to perform the floating function in a state that an excavator is supported by a working device (e.g. a dozer blade), i.e. in a jack-up state, on a sloping site and so on.
    Type: Application
    Filed: September 10, 2008
    Publication date: March 26, 2009
    Inventor: Tae In Hyang