Inventor

DARNELL CHARLES J

US11 patents

⚠️ This page may combine multiple inventors who share the name “DARNELL CHARLES J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

ABL IP HOLDING LLC

6 patents

US8010319B2Aug 30, 2011

Light management system having networked intelligent luminaire managers

ABL IP HOLDING LLC75 citations98

US7911359B2Mar 22, 2011

Light management system having networked intelligent luminaire managers that support third-party applications

ABL IP HOLDING LLC73 citations98

US7761260B2Jul 20, 2010

Light management system having networked intelligent luminaire managers with enhanced diagnostics capabilities

ABL IP HOLDING LLC65 citations98

US7603184B2Oct 13, 2009

Light management system having networked intelligent luminaire managers

ABL IP HOLDING LLC69 citations98

US7546168B2Jun 9, 2009

Owner/operator control of a light management system using networked intelligent luminaire managers

ABL IP HOLDING LLC78 citations98

US7529594B2May 5, 2009

Activation device for an intelligent luminaire manager

ABL IP HOLDING LLC116 citations98

NAT SERVICE INDUSTRIES INC

2 patents

USD323488SJan 28, 1992

Control panel

NAT SERVICE INDUSTRIES INC52 citations96

USD320786SOct 15, 1991

Dimming switch

NAT SERVICE INDUSTRIES INC59 citations96

ABL IP HOLDINGS LLC

1 patent

US7546167B2Jun 9, 2009

Network operation center for a light management system having networked intelligent luminaire managers

ABL IP HOLDINGS LLC108 citations98

ACUITY BRANDS INC

1 patent

US7333903B2Feb 19, 2008

Light management system having networked intelligent luminaire managers with enhanced diagnostics capabilities

ACUITY BRANDS INC159 citations98

WALTERS JEFF D

1 patent

US8260575B2Sep 4, 2012

Light management system having networked intelligent luminaire managers

WALTERS JEFF D94 citations96