Issued Patents All Time
Showing 25 most recent of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11085664 | Light fixture sensors for external use | — | 2021-08-10 |
| 10476590 | Artificial light source based messaging platform | Kenneth Dale Walma | 2019-11-12 |
| 10374438 | Distributed low voltage power systems | James Christopher Andrews, Kenneth Dale Walma, William Lee Shiley, Liang Fang, James Moan +2 more | 2019-08-06 |
| 10193622 | Artificial light source based messaging platform | Kenneth Dale Walma | 2019-01-29 |
| 9843384 | Artificial light source based messaging platform | Kenneth Dale Walma | 2017-12-12 |
| 9812874 | Distributed low voltage power systems | James Christopher Andrews, Kenneth Dale Walma, William Lee Shiley, Liang Fang, James Moan +2 more | 2017-11-07 |
| 9755741 | Visible-light based communication and occupancy detection | — | 2017-09-05 |
| 9686838 | Self-learning auto-cutoff daylight detection control for light fixtures | Timothy R Kemp, Jonathan Whitten | 2017-06-20 |
| 9647459 | Distributed low voltage power systems | James Christopher Andrews, Kenneth Dale Walma, William Lee Shiley, Liang Fang, James Moan +2 more | 2017-05-09 |
| 9607607 | Ultrasonic transmitter having adjustable output | — | 2017-03-28 |
| 9591711 | Method and system for illumination management | Michael Alan Lunn | 2017-03-07 |
| 9510427 | Artificial light source based messaging platform | Kenneth Dale Walma | 2016-11-29 |
| 9215775 | Method and system for illumination management | Michael Alan Lunn | 2015-12-15 |
| 9157996 | Multiple ultrasonic preamplifiers with independent automatic gain control | — | 2015-10-13 |
| 9144142 | Reduced time delay for outputs of an occupancy sensor | — | 2015-09-22 |
| 8848486 | Ultrasonic transmitter having adjustable output | — | 2014-09-30 |
| 8467164 | Self optimizing electrical switching device | Chauncey Harrison Varney | 2013-06-18 |
| D678097 | Sensor | Gregg Arthur Lehman | 2013-03-19 |
| 7777632 | Acoustic occupancy sensor | — | 2010-08-17 |
| 7541924 | Infrared occupancy sensor | — | 2009-06-02 |
| 7486193 | Occupancy sensor network | — | 2009-02-03 |
| 7411489 | Self-adjusting dual technology occupancy sensor system and method | James D. Himonas | 2008-08-12 |
| 6841945 | Lighting control system and method | — | 2005-01-11 |
| RE37135 | Fully automatic energy efficient lighting control and method of making same | — | 2001-04-17 |
| 5811963 | Line powered DC power supply | — | 1998-09-22 |