Patents by Inventor George L. Winchester, Jr.

George L. Winchester, Jr. 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).

  • Semi-cordierite and method of making the same
    Patent number: 4189327
    Abstract: A semi-cordierite grog composition is made by forming a mixture comprising about 8 to about 20 weight percent olivine and about 80 to about 92 weight percent of a natural mineral selected from the group consisting of kaolin, bentonite, aluminum silicates, diaspore, quartz and mixtures thereof, wherein the kaolin comprises at least 75 weight percent of the natural mineral, and sintering the mixture at a temperature of about 1330.degree. C. to about 1390.degree. C.
    Type: Grant
    Filed: April 17, 1978
    Date of Patent: February 19, 1980
    Assignee: Resco Products, Inc.
    Inventor: George L. Winchester, Jr.