Patents by Inventor Charles Tze-An Tuan

Charles Tze-An Tuan 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: 5836101
    Abstract: An apparatus and method for harvesting brine shrimp from an aquatic environment includes a separator having a containment vessel having a perforated sidewall and a drive assembly for agitating the containment vessel, preferably in a rotational motion about a horizontal axis. A first liquid spray assembly positioned outside of the containment vessel is disposed to direct a spray of liquid over a portion of the exterior of the containment vessel to dislodge shrimp which may be lodged in the perforations of the containment vessel. A second liquid spray assembly, positioned within the hollow interior of the containment vessel, is positioned to drive shrimp eggs contained in the vessel outward through the perforations of the vessel sidewall.
    Type: Grant
    Filed: October 29, 1996
    Date of Patent: November 17, 1998
    Inventor: Charles Tze-An Tuan