Patents by Inventor Hsi-Fa Chuang

Hsi-Fa Chuang 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).

  • Footwear article conveyer
    Patent number: 6923310
    Abstract: A footwear article conveyer includes an article-conveying line for receiving carriers thereon, a first driving unit for driving the carriers to move simultaneously along the article-conveying line, a carrier-returning line separate from the article-conveying line, a first shifting unit for shifting one of the carriers from one end of the article-conveying line to one end of the carrier-returning line, a second driving unit for driving carrier movement along the carrier-returning line, and a second shifting unit for shifting carriers from the other end of the carrier-returning line to the other end of the article-conveying line.
    Type: Grant
    Filed: October 8, 2003
    Date of Patent: August 2, 2005
    Inventor: Hsi-Fa Chuang
  • Footwear article conveyer
    Publication number: 20050040012
    Abstract: A footwear article conveyer includes an article-conveying line for receiving carriers thereon, a first driving unit for driving the carriers to move simultaneously along the article-conveying line, a carrier-returning line separate from the article-conveying line, a first shifting unit for shifting one of the carriers from one end of the article-conveying line to one end of the carrier-returning line, a second driving unit for driving carrier movement along the carrier-returning line, and a second shifting unit for shifting carriers from the other end of the carrier-returning line to the other end of the article-conveying line.
    Type: Application
    Filed: October 8, 2003
    Publication date: February 24, 2005
    Inventor: Hsi-Fa Chuang