Patents by Inventor Jinquan Cai

Jinquan Cai 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).

  • Bidirectional bulk material gathering apparatus and methods for gathering bulk materials
    Patent number: 7779991
    Abstract: A material gathering apparatus with a bucket; a motor having a shaft; and a plurality of blades; in which the hydraulic motor is fixed below the bucket; and the plurality of blades are fixed within the bucket and are rotatable clockwise or counterclockwise around the shaft.
    Type: Grant
    Filed: April 13, 2008
    Date of Patent: August 24, 2010
    Inventor: Jinquan Cai
  • BIDIRECTIONAL BULK MATERIAL GATHERING APPARATUS AND METHODS FOR GATHERING BULK MATERIALS
    Publication number: 20080189989
    Abstract: A material gathering apparatus with a bucket; a motor having a shaft; and a plurality of blades; in which the hydraulic motor is fixed below the bucket; and the plurality of blades are fixed within the bucket and are rotatable clockwise or counterclockwise around the shaft.
    Type: Application
    Filed: April 13, 2008
    Publication date: August 14, 2008
    Inventor: Jinquan CAI