Patents by Inventor Calvin Sneed

Calvin Sneed 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).

  • Method and apparatus for repairing refractory wall of furnaces
    Patent number: 7021913
    Abstract: An apparatus for repairing damaged refractory wall lining in a refractory lined vessel during use utilizing an insertable dispensing tool and injecting repair material under pressure therethrough. The injection tool has a plurality of radially positioned internally extending spray nozzle elements in trans-lateral angular alignment to the longitudinal axis of a support and supply cylinder.
    Type: Grant
    Filed: April 27, 2004
    Date of Patent: April 4, 2006
    Inventor: Calvin Sneed