Patents by Inventor Craig Hargreaves

Craig Hargreaves 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).

  • Forced air cooled metallic tubular horticulture light fixture
    Publication number: 20080117617
    Abstract: A horticultural light fixture for reducing the temperature impact of the light source on growing plants, including a hollow sheet metal tube, having first and second round hollow ends and a cutaway portion on the underside open towards the plants with at least one lamp socket mounted within said metallic tube, locating the lamp over the cutaway portion, further including a reflector mounted within the metallic tube and extending out through the cutaway portion, constructed and arranged to deflect light from the lamp toward the plants, having a transparent portion fittingly attached to the reflector between the lamp and the plants being impermeable to the heated atmosphere while allowing light to pass through.
    Type: Application
    Filed: November 21, 2006
    Publication date: May 22, 2008
    Inventors: Craig Hargreaves, Darrin McDonald
  • Light reflector
    Patent number: D544138
    Type: Grant
    Filed: December 27, 2004
    Date of Patent: June 5, 2007
    Assignee: IP Holdings, LLC
    Inventor: Craig Hargreaves
  • Four lamp capacity low profile light fixture
    Patent number: D544626
    Type: Grant
    Filed: September 19, 2005
    Date of Patent: June 12, 2007
    Assignee: IP Holdings, LLC
    Inventor: Craig Hargreaves
  • Male 4 prong receptacle
    Patent number: D544840
    Type: Grant
    Filed: January 31, 2005
    Date of Patent: June 19, 2007
    Assignee: IP Holdings, LLC
    Inventors: Craig Hargreaves, Brian Allison
  • Four lamp capacity low profile light fixture
    Patent number: D544980
    Type: Grant
    Filed: October 18, 2004
    Date of Patent: June 19, 2007
    Assignee: IP Holdings, LLC
    Inventor: Craig Hargreaves
  • Four lamp capacity low profile light fixture
    Patent number: D544981
    Type: Grant
    Filed: December 27, 2004
    Date of Patent: June 19, 2007
    Assignee: IP Holdings, LLC
    Inventor: Craig Hargreaves
  • Eight lamp capacity low profile light fixture
    Patent number: D544982
    Type: Grant
    Filed: December 27, 2004
    Date of Patent: June 19, 2007
    Assignee: IP Holdings, LLC
    Inventor: Craig Hargreaves
  • Full spectrum horticulture light fixture
    Patent number: D544983
    Type: Grant
    Filed: July 14, 2005
    Date of Patent: June 19, 2007
    Assignee: IP Holdings, LLC
    Inventor: Craig Hargreaves
  • Air-cooled metallic tubular horticulture light fixture
    Patent number: D544984
    Type: Grant
    Filed: April 17, 2006
    Date of Patent: June 19, 2007
    Assignee: IP Holdings, LLC
    Inventor: Craig Hargreaves
  • Eight lamp capacity low profile light fixture
    Patent number: D544985
    Type: Grant
    Filed: April 11, 2006
    Date of Patent: June 19, 2007
    Assignee: IP Holdings, LLC
    Inventor: Craig Hargreaves
  • Horticulture light fixture
    Patent number: D544987
    Type: Grant
    Filed: August 5, 2005
    Date of Patent: June 19, 2007
    Assignee: IP Holdings, LLC
    Inventor: Craig Hargreaves
  • Light reflector
    Patent number: D544994
    Type: Grant
    Filed: November 10, 2004
    Date of Patent: June 19, 2007
    Assignee: IP Holdings, LLC
    Inventor: Craig Hargreaves
  • Horticulture light reflector
    Patent number: D544995
    Type: Grant
    Filed: July 14, 2005
    Date of Patent: June 19, 2007
    Assignee: IP Holdings, LLC
    Inventor: Craig Hargreaves
  • Eight lamp capacity low profile light fixture
    Patent number: D545475
    Type: Grant
    Filed: October 18, 2004
    Date of Patent: June 26, 2007
    Assignee: IP Holdings, LLC
    Inventor: Craig Hargreaves
  • Reflective light housing
    Patent number: D545484
    Type: Grant
    Filed: November 10, 2004
    Date of Patent: June 26, 2007
    Assignee: IP Holdings, LLC
    Inventor: Craig Hargreaves
  • Light reflector
    Patent number: D545485
    Type: Grant
    Filed: November 10, 2004
    Date of Patent: June 26, 2007
    Assignee: IP Holdings, LLC
    Inventor: Craig Hargreaves
  • Vertical fluorescent light fixture
    Patent number: D545990
    Type: Grant
    Filed: February 3, 2006
    Date of Patent: July 3, 2007
    Assignee: IP Holdings, LLC
    Inventor: Craig Hargreaves
  • Lamp reflector
    Patent number: D545994
    Type: Grant
    Filed: November 10, 2004
    Date of Patent: July 3, 2007
    Assignee: IP Holdings, LLC
    Inventor: Craig Hargreaves
  • Internal reflector for remote ballast
    Patent number: D545996
    Type: Grant
    Filed: July 10, 2006
    Date of Patent: July 3, 2007
    Assignee: IP Holdings, LLC
    Inventor: Craig Hargreaves
  • 3-conductor strain relief
    Patent number: D570295
    Type: Grant
    Filed: August 6, 2007
    Date of Patent: June 3, 2008
    Inventors: Craig Hargreaves, Sergio Corona