Patents by Inventor Ti-Hua Chin

Ti-Hua Chin 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 and method for froth flotation
    Patent number: 4913805
    Abstract: An improved apparatus and method for froth flotation of particulate matter is disclosed wherein ridges or ribs are provided on the froth discharge surface of the apparatus.
    Type: Grant
    Filed: February 23, 1989
    Date of Patent: April 3, 1990
    Assignee: BP America Inc.
    Inventor: Ti-Hua Chin
  • Apparatus and method for froth flotation employing rotatably mounted spraying and skimming means
    Patent number: 4659458
    Abstract: An apparatus for froth flotation separation of the components of a slurry, said apparatus comprising at least one flotation cell, at least one spray nozzle for feeding slurry to said flotation cell, and a rotatably mounted skimmer means for skimming froth from said flotation cell, wherein said spray nozzle is affixed to and situated behind the rotational direction of said skimmer means and wherein said spray nozzle and skimmer are adapted to simultaneously rotate thereby causing the skimmer to skim the froth in the direction opposite to the spraying direction of the spray nozzle.
    Type: Grant
    Filed: December 19, 1985
    Date of Patent: April 21, 1987
    Assignee: The Standard Oil Company
    Inventors: Ti-Hua Chin, Robert F. Turner, Jr.
  • Froth flotation of mineral ores
    Patent number: H871
    Abstract: A process for the froth flotation beneficiation and separation of molybdenite from copper mining by-product is disclosed.
    Type: Grant
    Filed: February 23, 1989
    Date of Patent: January 1, 1991
    Assignee: BP America Inc.
    Inventor: Ti-Hua Chin