Patents by Inventor Thomas Albert Williams

Thomas Albert Williams 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).

  • Manufacture of thermally-insulating, refractory articles
    Patent number: 4012262
    Abstract: A composition for use in the manufacture of thermally insulating, refractory articles, containing particulate refractory material and from 1 to 20 percent by weight of fibrous organic material, for example paper fibers and/or cardboard fibers, is made with a plastic consistency. For example, the composition is made with a consistency or apparent viscosity of at least 200,000 centipoises at 25.degree. C. Methods of making the composition and for making articles from the composition are also described.
    Type: Grant
    Filed: February 8, 1974
    Date of Patent: March 15, 1977
    Inventors: Denis Arthur John Patterson, Thomas Albert Williams