Patents by Inventor David Randolph

David Randolph 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).

  • Solid state lighting components
    Patent number: 10962199
    Abstract: Solid state lighting components are provided with improved color rendering, improved color uniformity, and improved directional lighting, and that are suitable for use in high output lighting applications and can be used in place of CDMH bulb lighting. Exemplary solid state lighting components include a substrate comprising a light emitter surface and or more light emitters disposed on and/or over the light emitter surface. Exemplary components include a light directing optic and/or a diffusing optic for mixing light. The light directing optic may be disposed at least partially around a perimeter of the light emitter surface. The diffusing optic may be disposed between portions of the light directing optic and spaced apart from the light emitter surface.
    Type: Grant
    Filed: June 15, 2020
    Date of Patent: March 30, 2021
    Assignee: Cree, Inc.
    Inventors: Florin A. Tudorica, Christopher P. Hussell, John Wesley Durkee, Peter Scott Andrews, Mark Cash, David Randolph
  • SOLID STATE LIGHTING COMPONENTS
    Publication number: 20200309347
    Abstract: Solid state lighting components are provided with improved color rendering, improved color uniformity, and improved directional lighting, and that are suitable for use in high output lighting applications and can be used in place of CDMH bulb lighting. Exemplary solid state lighting components include a substrate comprising a light emitter surface and or more light emitters disposed on and/or over the light emitter surface. Exemplary components include a light directing optic and/or a diffusing optic for mixing light. The light directing optic may be disposed at least partially around a perimeter of the light emitter surface. The diffusing optic may be disposed between portions of the light directing optic and spaced apart from the light emitter surface.
    Type: Application
    Filed: June 15, 2020
    Publication date: October 1, 2020
    Inventors: Florin A. Tudorica, Christopher P. Hussell, John Wesley Durkee, Peter Scott Andrews, Mark Cash, David Randolph
  • Solid state lighting components
    Patent number: 10683971
    Abstract: Solid state lighting components are provided with improved color rendering, improved color uniformity, and improved directional lighting, and that are suitable for use in high output lighting applications and can be used in place of CDMH bulb lighting. Exemplary solid state lighting components include a substrate comprising a light emitter surface and or more light emitters disposed on and/or over the light emitter surface. Exemplary components include a light directing optic and/or a diffusing optic for mixing light. The light directing optic may be disposed at least partially around a perimeter of the light emitter surface. The diffusing optic may be disposed between portions of the light directing optic and spaced apart from the light emitter surface.
    Type: Grant
    Filed: April 29, 2016
    Date of Patent: June 16, 2020
    Assignee: Cree, Inc.
    Inventors: Florin A. Tudorica, Christopher P. Hussell, John Wesley Durkee, Peter Scott Andrews, Mark Cash, David Randolph
  • Overheating safety device and luminaire
    Patent number: 9713225
    Abstract: A luminaire includes a light source and an electrical path for providing power to the light source. A switch is in the electrical path and is operable to interrupt and complete the electrical path. An infrared sensor detects an object in proximity to the light source for controlling operation of the switch.
    Type: Grant
    Filed: August 1, 2014
    Date of Patent: July 18, 2017
    Assignee: Cree, Inc.
    Inventor: David Randolph
  • SOLID STATE LIGHTING COMPONENTS
    Publication number: 20160320004
    Abstract: Solid state lighting components are provided with improved color rendering, improved color uniformity, and improved directional lighting, and that are suitable for use in high output lighting applications and can be used in place of CDMH bulb lighting. Exemplary solid state lighting components include a substrate comprising a light emitter surface and or more light emitters disposed on and/or over the light emitter surface. Exemplary components include a light directing optic and/or a diffusing optic for mixing light. The light directing optic may be disposed at least partially around a perimeter of the light emitter surface. The diffusing optic may be disposed between portions of the light directing optic and spaced apart from the light emitter surface.
    Type: Application
    Filed: April 29, 2016
    Publication date: November 3, 2016
    Inventors: Florin A. Tudorica, Christopher P. Hussell, John Wesley Durkee, Peter Scott Andrews, Mark Cash, David Randolph
  • OVERHEATING SAFETY DEVICE AND LUMINAIRE
    Publication number: 20160037597
    Abstract: A luminaire includes a light source and an electrical path for providing power to the light source. A switch is in the electrical path and is operable to interrupt and complete the electrical path. An infrared sensor detects an object in proximity to the light source for controlling operation of the switch.
    Type: Application
    Filed: August 1, 2014
    Publication date: February 4, 2016
    Inventor: David Randolph
  • Shovel workhead
    Patent number: D617615
    Type: Grant
    Filed: September 11, 2009
    Date of Patent: June 15, 2010
    Assignee: Ames True Temper, Inc.
    Inventors: David Randolph, James M. Wagner, Cloyd R. Shawver, Martin R. Ehrenzeller, Jr., David L. Gallaway, Barry R. Albert, Jeffrey M. Norton
  • Square point shovel
    Patent number: D617616
    Type: Grant
    Filed: September 14, 2009
    Date of Patent: June 15, 2010
    Assignee: Ames True Temper, Inc.
    Inventors: David Randolph, James M. Wagner, Cloyd R. Shawver, Martin R. Ehrenzeller, Jr., David L. Gallaway, Barry R. Albert, Jeffrey M. Norton
  • Drain spade
    Patent number: D623488
    Type: Grant
    Filed: December 8, 2009
    Date of Patent: September 14, 2010
    Assignee: Ames True Temper, Inc.
    Inventors: David Randolph, James M. Wagner, Cloyd R. Shawver, Martin R. Ehrenzeller, Jr., David L. Gallaway
  • Shovel head
    Patent number: D626389
    Type: Grant
    Filed: February 18, 2010
    Date of Patent: November 2, 2010
    Assignee: Ames True Temper, Inc.
    Inventors: David Randolph, James M. Wagner, Cloyd R. Shawver, Martin R. Ehrenzeller, Jr., David L. Gallaway
  • Shovel head
    Patent number: D626390
    Type: Grant
    Filed: February 18, 2010
    Date of Patent: November 2, 2010
    Assignee: Ames True Temper, Inc.
    Inventors: David Randolph, James M. Wagner, Cloyd R. Shawver, Martin R. Ehrenzeller, Jr., David L. Gallaway
  • Shovel head
    Patent number: D628452
    Type: Grant
    Filed: February 18, 2010
    Date of Patent: December 7, 2010
    Assignee: Ames True Temper, Inc.
    Inventors: David Randolph, James M. Wagner, Cloyd R. Shawver, Martin R. Ehrenzeller, Jr., David L. Gallaway
  • Shovel blade
    Patent number: D634996
    Type: Grant
    Filed: April 19, 2010
    Date of Patent: March 29, 2011
    Assignee: Ames True Temper, Inc.
    Inventors: David Randolph, James M. Wagner, Cloyd R. Shawver, Martin R. Ehrenzeller, Jr., David L. Gallaway
  • Shovel head
    Patent number: D648994
    Type: Grant
    Filed: March 9, 2011
    Date of Patent: November 22, 2011
    Assignee: Ames True Temper, Inc.
    Inventors: David Randolph, James M. Wagner, Cloyd R. Shawver, Martin R. Ehrenzeller, Jr., David L. Gallaway
  • Garden spade
    Patent number: D673823
    Type: Grant
    Filed: April 12, 2012
    Date of Patent: January 8, 2013
    Assignee: Ames True Temper, Inc.
    Inventors: David Randolph, James M. Wagner, Cloyd R. Shawver, Martin R. Ehrenzeller, Jr., David L. Gallaway
  • Square point blade
    Patent number: D699527
    Type: Grant
    Filed: May 16, 2013
    Date of Patent: February 18, 2014
    Assignee: Ames True Temper, Inc.
    Inventors: David Randolph, James M. Wagner, Cloyd R. Shawver, Jeff Koenig
  • Spade blade
    Patent number: D699528
    Type: Grant
    Filed: May 17, 2013
    Date of Patent: February 18, 2014
    Assignee: Ames True Temper, Inc.
    Inventors: David Randolph, James M. Wagner, Cloyd R. Shawver, Jeff Koenig
  • Drain spade
    Patent number: D699529
    Type: Grant
    Filed: May 17, 2013
    Date of Patent: February 18, 2014
    Assignee: Ames True Temper, Inc.
    Inventors: David Randolph, James M. Wagner, Cloyd R. Shawver, Jeff Koenig, Dave Gallaway
  • Round point blade
    Patent number: D712219
    Type: Grant
    Filed: May 16, 2013
    Date of Patent: September 2, 2014
    Assignee: The Ames Companies, Inc.
    Inventors: David Randolph, James M. Wagner, Cloyd R. Shawver, Jeff Koenig
  • Round point blade
    Patent number: D760563
    Type: Grant
    Filed: August 14, 2014
    Date of Patent: July 5, 2016
    Assignee: The Ames Companies, Inc.
    Inventors: David Randolph, James M. Wagner, Cloyd R. Shawver, Jeff Koenig