Patents by Inventor Chan-Yan Wang

Chan-Yan 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).

  • Exhaust tube
    Patent number: 4909347
    Abstract: An exhaust tube capable of having a better silencing effect without adversely affecting the horsepower output of an engine is provided. The exhaust tube includes a tube body having two end plates, two spaced disks dividing the tube body into three gas chambers and a pipe having an expanded first end, a first horizontal portion, an inclined portion having a verturi tube, a perforated second horizontal portion, and a second opposite free end.
    Type: Grant
    Filed: July 28, 1989
    Date of Patent: March 20, 1990
    Assignees: Chan-Yan Wang, Chwan-Shyh Wang, Shih Po-Hsiang
    Inventor: Chan-Yan Wang