Patents Represented by Attorney, Agent or Law Firm David F. Dockery
  • Electroluminescent phosphor powders, methods for making phosphor powders and devices incorporating same
    Patent number: 6193908
    Abstract: Electroluminescent phosphor powders and a method for making phosphor powders. The phosphor powders have a small particle size, narrow particle size distribution and are substantially spherical. The method of the invention advantageously permits the economic production of such powders. The invention also relates to improved devices, such as electroluminescent display devices, incorporating the phosphor powders.
    Type: Grant
    Filed: August 27, 1998
    Date of Patent: February 27, 2001
    Assignee: Superior MicroPowders LLC
    Inventors: Mark J. Hampden-Smith, Toivo T. Kodas, James Caruso, Daniel J. Skamser, Quint H. Powell, Klaus Kunze
  • Oxygen-containing phosphor powders, methods for making phosphor powders and devices incorporating same
    Patent number: 6180029
    Abstract: Phosphor powders and a method for making phosphor powders. The powders are oxygen-containing, such as metal oxides, silicates, borates or titanates and have a small particle size, narrow particle size distribution and are substantially spherical. The method of the invention advantageously permits the continuous production of such powders. The invention also relates to improved devices, such as display devices, incorporating the phosphor powders.
    Type: Grant
    Filed: February 24, 1998
    Date of Patent: January 30, 2001
    Assignee: Superior MicroPowders LLC
    Inventors: Mark J. Hampden-Smith, Toivo T. Kodas, James Caruso, Daniel J. Skamser, Quint H. Powell
  • Cathodoluminescent phosphor powders, methods for making phosphor powders and devices incorporating same
    Patent number: 6168731
    Abstract: Cathodoluminescent phosphor powders and a method for making phosphor powders. The phosphor powders have a small particle size, narrow particle size distribution and are substantially spherical. The method of the invention advantageously permits the economic production of such powders. The invention also relates to improved devices, such as cathodoluminescent display devices, incorporating the phosphor powders.
    Type: Grant
    Filed: August 27, 1998
    Date of Patent: January 2, 2001
    Assignee: Superior MicroPowders LLC
    Inventors: Mark J. Hampden-Smith, Toivo T. Kodas, James Caruso, Daniel J. Skamser, Quint H. Powell, Klaus Kunze
  • Methods for producing platinum powders
    Patent number: 6165247
    Abstract: Platinum powders and methods for producing platinum powders. The powders preferably have a small particle size, narrow size distribution and a spherical morphology. The method includes forming the particles by a spray pyrolysis technique. The invention also includes novel devices and products formed from the platinum powders.
    Type: Grant
    Filed: February 24, 1998
    Date of Patent: December 26, 2000
    Assignee: Superior MicroPowders, LLC
    Inventors: Toivo T. Kodas, Mark J. Hampden-Smith, James Caruso, Daniel J. Skamser, Quint H. Powell, Clive D. Chandler
  • Sulfur-containing phosphor powders, methods for making phosphor powders and devices incorporating same
    Patent number: 6153123
    Abstract: Sulfur-containing phosphor powders, methods for making phosphor powders and devices incorporating same. The powders have a small particle size, narrow particle size distribution and are substantially spherical. The method of the invention permits the continuous production of such powders. The invention also relates to products such as display devices incorporating such phosphor powders.
    Type: Grant
    Filed: February 24, 1998
    Date of Patent: November 28, 2000
    Assignee: Superior MicroPowders, LLC
    Inventors: Mark J. Hampden-Smith, Toivo T. Kodas, James Caruso, Daniel J. Skamser, Quint H. Powell, Klaus Kunze
  • Shaped charge and explosively formed penetrator liners and process for making same
    Patent number: 6152040
    Abstract: A shaped charge or explosively formed penetrator liner and a method for producing the liner. The liner is preferably formed from a metal having a fine, uniform grain structure. The liner is preferably produced by an electron beam deposition process.
    Type: Grant
    Filed: November 26, 1997
    Date of Patent: November 28, 2000
    Assignee: Ashurst Government Services, Inc.
    Inventors: Michael A. Riley, Timothy J. Langan, David K. McNamara, Joseph R. Pickens