Patents by Inventor Jui-Yen Chuang

Jui-Yen 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).

  • Apparatus for separating the bones from parts of pigs' legs
    Patent number: 5405290
    Abstract: An apparatus for separating the bones from parts of pigs' legs, including a machine base having a horizontal track, a sliding board moved in the track and having a center hole for inserting the bone of the part of the pig's leg to be processed, a first hydraulic cylinder, a first pull rope driven by the first hydraulic cylinder to pull the bone of the part of the pig's skin upwards, a second hydraulic cylinder, and a second pull rope driven by the second hydraulic cylinder to pull the skin of the part of the pig's leg downwards.
    Type: Grant
    Filed: July 26, 1994
    Date of Patent: April 11, 1995
    Inventor: Jui-Yen Chuang