Issued Patents All Time
Showing 26–50 of 74 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9713228 | Apparatus and method of energy efficient illumination using received signals | — | 2017-07-18 |
| 9693433 | Apparatus and method for schedule based operation of a luminaire | Dale H. DeGraff, Richard Dolf | 2017-06-27 |
| 9572230 | Centralized control of area lighting hours of illumination | — | 2017-02-14 |
| 9538612 | Low power photocontrol for luminaire | — | 2017-01-03 |
| 9497393 | Systems and methods that employ object recognition | Dale H. DeGraff | 2016-11-15 |
| 9478111 | Long-range motion detection for illumination control | Dale H. DeGraff | 2016-10-25 |
| 9466443 | Photocontrol for luminaire consumes very low power | — | 2016-10-11 |
| 9462662 | Low power photocontrol for luminaire | — | 2016-10-04 |
| 9445485 | Detection and correction of faulty photo controls in outdoor luminaires | — | 2016-09-13 |
| 9433062 | Luminaire with ambient sensing and autonomous control capabilities | — | 2016-08-30 |
| 9414449 | High efficiency power controller for luminaire | — | 2016-08-09 |
| 9360198 | Adjustable output solid-state lighting device | — | 2016-06-07 |
| 9312451 | Apparatus, method to enhance color contrast in phosphor-based solid state lights | John O. Renn | 2016-04-12 |
| 9301365 | Luminaire with switch-mode converter power monitoring | — | 2016-03-29 |
| 9288873 | Systems, methods, and apparatuses for using a high current switching device as a logic level sensor | — | 2016-03-15 |
| 9241401 | Solid state lighting device and method employing heat exchanger thermally coupled circuit board | John O. Renn, Bradley B. Larsen | 2016-01-19 |
| 9210751 | Solid state lighting, drive circuit and method of driving same | — | 2015-12-08 |
| 9210759 | Luminaire with ambient sensing and autonomous control capabilities | — | 2015-12-08 |
| 9204523 | Remotely adjustable solid-state lamp | Dale H. DeGraff | 2015-12-01 |
| 9185777 | Ambient light control in solid state lamps and luminaires | — | 2015-11-10 |
| 9131552 | Apparatus and method of operating a luminaire | Dale H. DeGraff, Richard Dolf | 2015-09-08 |
| 9125261 | Electronic control to regulate power for solid-state lighting and methods thereof | — | 2015-09-01 |
| 8987992 | Apparatus and method of energy efficient illumination | — | 2015-03-24 |
| 8926139 | Gas-discharge lamp replacement with passive cooling | John O. Renn | 2015-01-06 |
| 8926138 | Gas-discharge lamp replacement | John O. Renn | 2015-01-06 |