Patents by Inventor Jeffery W. Lennartz

Jeffery W. Lennartz 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: 5498442
    Abstract: A fluidized bed reactor arrangement and method for forming a metal carbide coating on a substrate containing graphite in which a bed of particles inclusive of the substrate is fluidized using a fluidizing gas containing a metal halide vapor formed by reacting a metal halide gas with a carbide forming metal selected from Group IVb through VIIb of the periodic table and maintaining the temperature of the fluidized bed above 1500.degree. C.
    Type: Grant
    Filed: March 1, 1995
    Date of Patent: March 12, 1996
    Assignee: Advanced Ceramics Corporation
    Inventor: Jeffery W. Lennartz