Patents by Inventor Duck Hyun NAM

Duck Hyun NAM 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: 20110000343
    Abstract: A wrench with a ratchet, including: a handle held by a user; and a head coupled to the handle and accommodating and contacting a body to be rotated, wherein the head includes: a base portion connected to one end of the handle; a first jaw extending from a first end of the base portion and including a hanging portion; and a second jaw extending from a second end of the base portion and having a shape corresponding to the first jaw, and wherein a first ratchet member which is adjacent to the hanging portion and of which a portion is moved between an inside and an outside of a rotational path of the body to be rotated that is accommodated in the head.
    Type: Application
    Filed: October 12, 2009
    Publication date: January 6, 2011
    Inventor: Duck Hyun NAM
  • Publication number: 20100050819
    Abstract: The present invention provides a wrench that may be simply manufactured at a lower defect rate, which prevents a foreign material from getting stuck in a gap between a ratchet and it's surrounding through hole, and which has a minimal extra space at an end of a first jaw or a second jaw to make it easier for a bolt or a nut to be inserted into the wrench.
    Type: Application
    Filed: April 24, 2009
    Publication date: March 4, 2010
    Applicant: TAE-JONG DEVELOPMENT CO., LTD.
    Inventor: Duck Hyun NAM
  • Patent number: D686473
    Type: Grant
    Filed: November 13, 2012
    Date of Patent: July 23, 2013
    Assignee: W.State Co., Ltd.
    Inventor: Duck Hyun Nam