Patents by Inventor Sa Cao Tran

Sa Cao Tran 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 cooling a granular material using ambient air
    Patent number: 5862611
    Abstract: An apparatus and method for cooling a granular material, such as a phosphate fertilizer, using ambient air is disclosed. The apparatus includes a cooling device and a conveyor assembly for feeding the material. The cooling device includes a rotatable assembly for receiving and spreading the material in the ambient air. The rotatable assembly is comprised of radiating fins with alternating recesses.
    Type: Grant
    Filed: June 17, 1996
    Date of Patent: January 26, 1999
    Inventor: Sa Cao Tran