Patents by Inventor Neng-Chang Yeh

Neng-Chang Yeh 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: 7236429
    Abstract: A timepiece includes first, second, and third clockwise rotating central shafts, a rotary dial joined to the first central shaft, a minute hand joined to the second central shaft, a second hand positioned around the rotary dial and joined to the third central shaft, a second ring, and a time zone ring; the rotary dial has twelve hour graduations, which are marked with respective numerals arranged in counterclockwise order; the second ring having sixty graduations thereon; the time zone ring is positioned around the second ring, and divided into twenty-four subsections; each subsection of the time zone ring has an indicating point on a middle portion of an inward edge, and is printed with names of main cities and countries in a time zone; thus, people can find out current local time in the main cities and countries with the timepiece.
    Type: Grant
    Filed: May 18, 2005
    Date of Patent: June 26, 2007
    Inventor: Neng-Chang Yeh
  • Publication number: 20060262649
    Abstract: A timepiece includes first, second, and third clockwise rotating central shafts, a rotary dial joined to the first central shaft, a minute hand joined to the second central shaft, a second hand positioned around the rotary dial and joined to the third central shaft, a second ring, and a time zone ring; the rotary dial has twelve hour graduations, which are marked with respective numerals arranged in counterclockwise order; the second ring having sixty graduations thereon; the time zone ring is positioned around the second ring, and divided into twenty-four subsections; each subsection of the time zone ring has an indicating point on a middle portion of an inward edge, and is printed with names of main cities and countries in a time zone; thus, people can find out current local time in the main cities and countries with the timepiece.
    Type: Application
    Filed: May 18, 2005
    Publication date: November 23, 2006
    Inventor: Neng-Chang Yeh