Patents by Inventor Doug Hargreaves

Doug 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).

  • Publication number: 20170086390
    Abstract: A modular portable light hanger that can be quickly and easily assembled and disassembled to a tray stand by one person without using any tools or hardware, each corner of the stand preferably interconnecting with a light hanger corner pole, and the four corner poles interconnecting with perimeter poles forming a substantially rectangular or square perimeter, providing structure about which equipment such as light fixtures, air moving fans, ducting, etc. may by suspended.
    Type: Application
    Filed: September 23, 2016
    Publication date: March 30, 2017
    Applicant: IP Holdings, LLC
    Inventor: Doug Hargreaves
  • Patent number: 9468288
    Abstract: A modular portable light hanger that can be quickly and easily assembled and disassembled to a tray stand by one person without using any tools or hardware, each corner of the stand preferably interconnecting with a light hanger corner pole, and the four corner poles interconnecting with perimeter poles forming a substantially rectangular or square perimeter across which cross-wise equipment/light hanger poles are toolessly attached, providing cross members over the tray stand growing area from which equipment such as light fixtures, air moving fans, ducting, etc. may by suspended.
    Type: Grant
    Filed: September 30, 2015
    Date of Patent: October 18, 2016
    Assignee: IP Holdings, LLC
    Inventor: Doug Hargreaves
  • Publication number: 20160014979
    Abstract: A modular portable light hanger that can be quickly and easily assembled and disassembled to a tray stand by one person without using any tools or hardware, each corner of the stand preferably interconnecting with a light hanger corner pole, and the four corner poles interconnecting with perimeter poles forming a substantially rectangular or square perimeter across which cross-wise equipment/light hanger poles are toolessly attached, providing cross members over the tray stand growing area from which equipment such as light fixtures, air moving fans, ducting, etc. may by suspended.
    Type: Application
    Filed: September 30, 2015
    Publication date: January 21, 2016
    Applicant: IP Holdings, LLC
    Inventors: Doug Hargreaves, Steven Ortega
  • Patent number: D698074
    Type: Grant
    Filed: April 17, 2012
    Date of Patent: January 21, 2014
    Assignee: IP Holdings, LLC
    Inventor: Doug Hargreaves
  • Patent number: D725820
    Type: Grant
    Filed: December 13, 2013
    Date of Patent: March 31, 2015
    Assignee: IP Holdings, LLC
    Inventor: Doug Hargreaves
  • Patent number: D756016
    Type: Grant
    Filed: February 28, 2014
    Date of Patent: May 10, 2016
    Inventor: Doug Hargreaves
  • Patent number: D786475
    Type: Grant
    Filed: August 26, 2014
    Date of Patent: May 9, 2017
    Assignee: IP Holdings, LLC
    Inventor: Doug Hargreaves
  • Patent number: D786492
    Type: Grant
    Filed: November 19, 2014
    Date of Patent: May 9, 2017
    Assignee: IP Holdings, LLC
    Inventor: Doug Hargreaves
  • Patent number: D791999
    Type: Grant
    Filed: March 25, 2016
    Date of Patent: July 11, 2017
    Assignee: IP Holdings, LLC
    Inventor: Doug Hargreaves
  • Patent number: D853624
    Type: Grant
    Filed: March 8, 2017
    Date of Patent: July 9, 2019
    Assignee: HGCI, Inc.
    Inventor: Doug Hargreaves
  • Patent number: D854232
    Type: Grant
    Filed: March 8, 2017
    Date of Patent: July 16, 2019
    Assignee: HGCI, Inc.
    Inventor: Doug Hargreaves
  • Patent number: D908944
    Type: Grant
    Filed: June 2, 2017
    Date of Patent: January 26, 2021
    Assignee: HGCI, Inc.
    Inventor: Doug Hargreaves