Patents by Inventor Szu Jeng Chien

Szu Jeng Chien 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).

  • Processes and apparatus for energy recovering through waste classification and calcination
    Patent number: 5998682
    Abstract: The invention provides a process for energy recovery through waste classification and calcination, and an apparatus therefor; the process comprises crushing and sorting various types of wastes, and by means of a series of classification, calcination and recovering treatments, recovering and reusing efficiently fuel oil, fuel gas and residues, as well as providing electric power and heat required for the apparatus in the self-supplying feedback system of the invention, and additionally, lowering successfully the secondary pollution from waste disposal.
    Type: Grant
    Filed: October 30, 1998
    Date of Patent: December 7, 1999
    Inventor: Szu Jeng Chien
  • Process and apparatus for energy recovering through waste classification and calcination
    Patent number: 5846385
    Abstract: The invention provide a process for energy recovering through waste classification and calcination and an apparatus therefor, comprises crushing and sorting various types of wastes and by means of a series of classification, calcination and recovering treatments, recovering and reusing efficiently fuel oil, fuel gas and residues as well as electric power and heat required for the apparatus in the self-supplying feedback system of the invention, and additionally, lowering successfully the possibility of secondary pollution from wastes disposal.
    Type: Grant
    Filed: May 20, 1997
    Date of Patent: December 8, 1998
    Inventor: Szu Jeng Chien