Patents by Inventor Wang Yao

Wang Yao 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: 5709319
    Abstract: A food distributor includes a box with a cover and a distributing member rotatably disposed to a front side of the box, the front side of the box having a first hole defined therein, the distributing member having a first circular flange extending from a rear wall thereof and the first circular flange having a threaded inner periphery, a second hole defined in the rear wall from which a second circular flange extends to enclose the second hole such that the distributing member is connected to the front side by engaging the second circular flange with the first hole, the distributing member having at least one outlet defined in a peripheral wail thereof, a stirring shaft extending from a front wail through the second hole and the first hole of the box, a motor disposed to the box so as to mechanically drive the threaded inner periphery to rotate the distributing member.
    Type: Grant
    Filed: October 8, 1996
    Date of Patent: January 20, 1998
    Inventor: Chia-Wang Yao
  • Patent number: 4518359
    Abstract: A multi-purpose instructing block comprising one hundred blocks divided into ten sets and a calculating frame having two grooves which are designed so that the blocks therein may be moved along the grooves. The blocks of the same set are of a size and color but the blocks of different sets differ in color and length. The multi-purpose instructing block is useful to interest the children in calculating, distinguishing between colors, learning alphabets in addition to making toy houses.
    Type: Grant
    Filed: December 30, 1983
    Date of Patent: May 21, 1985
    Inventor: Wang Yao-Psong
  • Patent number: D446775
    Type: Grant
    Filed: November 28, 2000
    Date of Patent: August 21, 2001
    Inventors: Cheng Chao-Hsing, Wang Yao-Te
  • Patent number: D460860
    Type: Grant
    Filed: April 4, 2001
    Date of Patent: July 30, 2002
    Assignee: Topcraft Industrial Corporation
    Inventor: Li-Wen Wang Yao