Patents by Inventor Richard C. Keibler

Richard C. Keibler 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).

  • High temperature resistant coating composition
    Patent number: 4304605
    Abstract: A protective coating composition suitable for refractory brick or refractory linings and materials exposed or subjected to high temperatures is provided. The composition comprises about 40 to 95 wt. % zirconium silicate, up to 30 wt. % sodium silicate, 1 to 10 wt. % mullite, up to about 5 wt. % magnesium silicate, 1 to 10 wt. % aluminum hydrate, the remainder water, the composition capable of withstanding temperatures up to 4,000.degree. F.
    Type: Grant
    Filed: March 3, 1980
    Date of Patent: December 8, 1981
    Inventor: Richard C. Keibler