Patents by Inventor Walter Howard Alexanderson

Walter Howard Alexanderson 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 mass, high alumina-silica refractories
    Patent number: 4117055
    Abstract: A low mass thixotropic alumina-silica refractory mix for producing kiln furniture having smooth surfaces combined with low weight and consequent low heat capacity.
    Type: Grant
    Filed: September 20, 1977
    Date of Patent: September 26, 1978
    Assignee: The Babcock & Wilcox Company
    Inventor: Walter Howard Alexanderson