Patents by Inventor DuckChun Ham

DuckChun Ham 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).

  • Patent number: 7918431
    Abstract: A levitation type supporting unit interposed between an object and an installing surface for supporting the object respective to the installing surface. The supporting unit includes lower and upper magnet parts having a lower magnet; the upper magnet part arranged at an upper part of the lower magnet part while having an interval spaced from the lower magnet part, the upper magnet part having a surface facing a surface of the lower magnet, the surfaces having equal polarities; an upper fixing cap being assembled with the upper magnet part to allow elevation; a lower fixing cap connected with the upper fixing cap and is assembled with the lower magnet part; and a fixing part including a connecting part formed on one side, connecting the upper and lower fixing caps while having an interval forming an exposed space between the upper and lower fixing caps, the fixing part preventing the upper magnet part from escaping from an upper position of the lower magnet part.
    Type: Grant
    Filed: February 27, 2008
    Date of Patent: April 5, 2011
    Assignee: Yeil M & C Co., Ltd.
    Inventor: DuckChun Ham
  • Publication number: 20090173861
    Abstract: Disclosed is a levitation type supporting unit interposed between an object to be supported and an installing surface so as to support the object respective to the installing surface.
    Type: Application
    Filed: February 27, 2008
    Publication date: July 9, 2009
    Applicant: YEIL M & C CO., LTD.
    Inventor: DuckChun HAM