Patents by Inventor Brian J Stein

Brian J Stein 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).

  • Slag conditioner composition, process for manufacture and method of use in steel production
    Patent number: 7914599
    Abstract: A slag conditioner containing MgO, carbon or a filler and a binder is mixed and formed under pressure to produce aggregates which can have the form of a briquette. The slag conditioner is used to improve the operating performance and refractory life in steel melting furnaces. A slag conditioner comprising by weight a mixture and 2% to 25% binder for bonded agglomerates or larger particles of said mixture, the mixture comprising: 20% to 90% burned aggregates comprised of particles less than 8 mm of which at least 30% is 0.2 mm or greater and containing between 35% and 94% MgO; up to 50% slag-making carbonaceous or other additive; and up to 50% light burned magnesite.
    Type: Grant
    Filed: November 17, 2004
    Date of Patent: March 29, 2011
    Assignee: ISM, Inc.
    Inventors: Joseph L. Stein, Brian J Stein, John Beatty