Patents by Inventor Jieh-Chin Jeng

Jieh-Chin Jeng 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: 5284109
    Abstract: A feeding device includes a casing with a bottom and a container above the bottom. The bottom has a first opening extending therethrough while the container has an outlet adjacent to the bottom which lies on a straight line drawn across the first opening of the bottom. A food-carrying plate is provided between the container and the bottom and has a second opening which is aligned with the outlet of the container. An inverted U-shaped covering member includes a base disposed above the plate and has two arms connected to the bottom. The container is mounted on the base of the covering member. The covering member has a third opening formed through the base. The third opening is communicated with the outlet of the container and is aligned with the second opening of the food-carrying plate when the latter is not activated.
    Type: Grant
    Filed: January 27, 1993
    Date of Patent: February 8, 1994
    Inventor: Jieh-Chin Jeng
  • Patent number: 5140944
    Abstract: A casing has a rotary plate which divides the casing into an upper portion and a lower portion and a driving unit to rotate the rotary plate. The rotary plate has a first opening formed through it. The upper portion has a container holding a feeding stock and the lower portion has a top plate with a second opening through it. The container has an outlet which aligned with the first opening of the rotary plate when the rotary plate is rotated to a first position and a second position where the first opening of the rotary plate is aligned with the second opening of the top plate of the lower portion.
    Type: Grant
    Filed: October 23, 1991
    Date of Patent: August 25, 1992
    Inventor: Jieh-Chin Jeng