Patents by Inventor Ben Davies

Ben Davies 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).

  • Magnesite-chrome refractory
    Patent number: 4071370
    Abstract: Burned, magnesite-chrome refractory shapes having a lime to silica ratio between about 1.7 and 2.1 to 1, and a chromic oxide to aluminum oxide plus iron oxide ratio in excess of about 1.5 to 1.
    Type: Grant
    Filed: March 31, 1977
    Date of Patent: January 31, 1978
    Assignee: Dresser Industries, Inc.
    Inventor: Ben Davies