Patents by Inventor Richard E. A. Atkinson

Richard E. A. Atkinson 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).

  • Patent number: 6030910
    Abstract: A refractory glass fiber having a use temperature of greater than 1000.degree. C., up to at least 1260.degree. C., having an after service mechanical integrity comparable to conventional refractory ceramic fiber and which is non-durable in physiological fluids, consisting essentially of the product of silica, magnesia and optionally zirconia, is produced from a melt, optionally containing a viscosity modifier.
    Type: Grant
    Filed: August 13, 1998
    Date of Patent: February 29, 2000
    Assignee: Unifrax Corporation
    Inventors: Bruce Zoitos, Richard E. A. Atkinson, James R. Olson
  • Patent number: 6025288
    Abstract: A refractory glass fiber having a use temperature of greater than 1000.degree. C., up to at least 1260.degree. C., having an after service mechanical integrity comparable to conventional refractory ceramic fiber and which is non-durable in physiological fluids, consisting essentially of the product of silica, magnesia and optionally zirconia, is produced from a melt, optionally containing a viscosity modifier.
    Type: Grant
    Filed: January 13, 1999
    Date of Patent: February 15, 2000
    Assignee: Unifrax Corporation
    Inventors: Bruce Zoitos, Richard E. A. Atkinson, James R. Olson
  • Patent number: 5874375
    Abstract: A refractory glass fiber having a use temperature of greater than 1000.degree. C., up to at least 1260.degree. C., having an after service mechanical integrity comparable to conventional refractory ceramic fiber and which is non-durable in physiological fluids, consisting essentially of the product of silica, magnesia and optionally zirconia, is produced from a melt, optionally containing a viscosity modifier.
    Type: Grant
    Filed: October 29, 1996
    Date of Patent: February 23, 1999
    Assignee: Unifrax Corporation
    Inventors: Bruce Zoitos, Richard E. A. Atkinson, James R. Olson