Patents by Inventor George Chris Kistler

George Chris Kistler 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: 5650005
    Abstract: A source of free lime is introduced into a cooling zone of a cement kiln in an amount to elevate the free lime content to a content of 0.6 to 2.0%, by weight. This addition is made without altering the normal or standard process operating parameters of the kiln for cement clinker production. The free lime content of 0.6 to 2.0%, by weight, provides advantageous characteristics in cement produced with the cement clinker.
    Type: Grant
    Filed: May 29, 1996
    Date of Patent: July 22, 1997
    Assignee: Lafarge Canada Inc.
    Inventor: George Chris Kistler