Patents by Inventor Carl William Fritsch, Jr.

Carl William Fritsch, 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).

  • Low thermal expansion ceramics of cordierite solid solution and method for producing same
    Patent number: 4063955
    Abstract: Low thermal expansion ceramics of essentially 100 percent cordierite solid solution are prepared by the devitrification of a glass frit compact having the nominal composition in weight percent 16 percent MgO, 30 percent Al.sub.2 O.sub.3, 54 percent SiO.sub.2. These ceramics exhibit adequate density and strength and are useful for example in the fabrication of gas turbine engine components such as rotor vanes and heat exchangers.
    Type: Grant
    Filed: October 3, 1975
    Date of Patent: December 20, 1977
    Assignee: GTE Sylvania Incorporated
    Inventors: Carl William Fritsch, Jr., Robert Wade Wolfe