Patents by Inventor Shiyu Wang

Shiyu Wang 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).

  • Dental bur with a smooth front
    Publication number: 20070202461
    Abstract: This invention discloses a dental bur consisting of a shaft, a neck, and a head with a safety front to avoid cutting in its axis direction. In one embodiment, the neck has a rough surface with either cutting grooves or abrasives which constitutes a file, but the head has a smooth surface. In another embodiment, the neck has a smooth surface, but the head has a surrounding rough surface with either grooves or abrasives which constitutes a file. Yet in another embodiment, the neck and a rear part of the head are coated with a rough surface of either cutting grooves or abrasives which constitute a file.
    Type: Application
    Filed: February 28, 2006
    Publication date: August 30, 2007
    Inventors: Shiyu Wang, Chao Zang