Patents by Inventor August Lex

August Lex 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: 4492840
    Abstract: An induction heating process and apparatus for flameless heating of metallic dental laboratory tools, medical instruments, and the like. The induction heating coil is energized by placement of instruments within the annular zone formed by the windings of the coil, and differential light sensors are utilized to compensate for variations in ambient light levels.
    Type: Grant
    Filed: June 25, 1982
    Date of Patent: January 8, 1985
    Inventor: August Lex