Patents by Inventor Xiaohan Wei

Xiaohan Wei 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).

  • Thermal spray powder of dicalcium silicate and coating thereof and manufacture thereof
    Patent number: 6524704
    Abstract: A powder of dicalcium silicate is made by spray drying calcia and silica with incorporation of sodium and phosphorus or stabilized zirconia. The spray dried powder is sintered to form a thermal spray powder. Sprayed coatings have a web of interconnected, randomly oriented microcracks substantially perpendicular to the coating surface. The coatings are stable in thermal cycling and a hot corrosive environment.
    Type: Grant
    Filed: October 4, 2000
    Date of Patent: February 25, 2003
    Assignee: Sulzer Metco (US) Inc.
    Inventors: Xiaohan Wei, Mitchell R. Dorfman, Luis F. Correa, Franz Jansen, John Peters
  • Thermal spray powder of dicalcium silicate and coating thereof and manufacture thereof
    Patent number: 6194084
    Abstract: A powder of dicalcium silicate is made by spray drying calcia and silica with incorporation of sodium and phosphorus or stabilized zirconia. The spray dried powder is sintered to form a thermal spray powder. Sprayed coatings have a web of interconnected, randomly oriented microcracks substantially perpendicular to the coating surface. The coatings are stable in thermal cycling and a hot corrosive environment.
    Type: Grant
    Filed: June 23, 1999
    Date of Patent: February 27, 2001
    Assignee: Sulzer Metco Inc.
    Inventors: Xiaohan Wei, Mitchell R. Dorfman, Luis F. Correa, Franz Jansen, John Peters