Patents by Inventor Charles C. Logue

Charles C. Logue 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).

  • Foamed insulating refractory
    Patent number: 4341561
    Abstract: An unfired foamed-in-place two component insulating refractory and the method for preparing the same. The composition is composed of hydraulic cement, water and an acid, though it can also include an aggregate and/or fine grain inert filler. In the process, the dry ingredients are mixed with the water to form a slurry and thereafter the acid is added to the slurry and passed through a passive mixer before the acid-slurry mixture is discharged and allowed to foam and set.
    Type: Grant
    Filed: April 22, 1981
    Date of Patent: July 27, 1982
    Assignee: The Babcock & Wilcox Company
    Inventors: James M. Britt, Charles C. Logue