Patents by Inventor Yeong-sen Lin

Yeong-sen Lin 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).

  • Cement charging, mixing and pouring apparatus attached on a heavy duty machine
    Patent number: 5556196
    Abstract: A cement mixer pivotably mounted on a linkage of an arm assembly of a heavy-duty machine, for example, an excavator or a shovel. The cement mixer includes a barrel, an agitator assembly rotatably mounted on the barrel and used to agitate materials to be mixed in the barrel, a mounting beam connecting the barrel to the linkage, a funnel mounted on the mounting beam and positioned above the barrel and used to receive the materials to be mixed and a weight measuring device provided on the mounting beam and used to measure the weight of the materials received in the funnel.
    Type: Grant
    Filed: August 21, 1995
    Date of Patent: September 17, 1996
    Inventor: Yeong-sen Lin