Issued Patents All Time
Showing 25 most recent of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12372222 | Lighting module having field-replaceable optics, improved cooling, and tool-less mounting features | Frederick William Kopitzke, Nolan Gunsolley, Benjamin Pin-Chun Chen | 2025-07-29 |
| 12297986 | Bar hanger assembly with crossmembers and housing assemblies using same | Bao Khoa Vinh, Frederick William Kopitzke | 2025-05-13 |
| 12209736 | Polymer housing for a lighting system and methods for using same | William Wai-Loong Young, Vincent Williams, Nolan Gunsolley | 2025-01-28 |
| 12203631 | Round metal housing for a lighting system | Frederick William Kopitzke, Ken Czech, Bao Khoa Vinh, Morteza Nejad | 2025-01-21 |
| 12169053 | Alternate junction box and arrangement for lighting apparatus | Michael D. Danesh | 2024-12-17 |
| 11897725 | Adjustment of drop rate of elevator car with electromagnetic brake system | Steven M. Millett, Ismail Agirman | 2024-02-13 |
| D1012864 | Portion of a plastic deep electrical junction box | Michael D. Danesh, Ali A. Nikooyan | 2024-01-30 |
| D990030 | Housing for a lighting system | William Wai-Loong Young | 2023-06-20 |
| 11585517 | Lighting module having field-replaceable optics, improved cooling, and tool-less mounting features | Frederick William Kopitzke, Nolan Gunsolley, Benjamin Pin-Chun Chen | 2023-02-21 |
| D966877 | Hanger bar for a hanger bar assembly | Frederick William Kopitzke, Mohammed Aslam Khazi | 2022-10-18 |
| 11448384 | Methods and apparatus for adjusting a luminaire | Ali A. Nikooyan, Michael D. Danesh, William Wai-Loong Young | 2022-09-20 |
| 11391442 | Polymer housing for a recessed lighting system and methods for using same | Michael D. Danesh, Ali A. Nikooyan | 2022-07-19 |
| 11306903 | Polymer housing for a lighting system and methods for using same | William Wai-Loong Young, Vincent Williams, Nolan Gunsolley | 2022-04-19 |
| 11274821 | Lighting module with keyed heat sink coupled to thermally conductive trim | Michael D. Danesh, Benjamin Pin-Chun Chen, William Wai-Loong Young | 2022-03-15 |
| 11231154 | Bar hanger assembly with mating telescoping bars | Frederick William Kopitzke, Mohammed Aslam Khazi | 2022-01-25 |
| 11067231 | Alternate junction box and arrangement for lighting apparatus | Michael D. Danesh | 2021-07-20 |
| 10989390 | Folded optics methods and apparatus for improving efficiency of LED-based luminaires | Benjamin Pin-Chun Chen, David Kessler | 2021-04-27 |
| 10919730 | Management of mutiple coil brake for elevator system | Daniel M. Bohn | 2021-02-16 |
| D903605 | Plastic deep electrical junction box | Michael D. Danesh, Ali A. Nikooyan | 2020-12-01 |
| D902871 | Plastic deep electrical junction box | Michael D. Danesh, Ali A. Nikooyan | 2020-11-24 |
| D901398 | Plastic deep electrical junction box | Michael D. Danesh, Ali A. Nikooyan | 2020-11-10 |
| 10745239 | Electromagnetic brake system for an elevator with variable rate of engagement | Steven M. Millet, Ismail Agirman | 2020-08-18 |
| 10663153 | Methods and apparatus for adjusting a luminaire | Ali A. Nikooyan, Michael D. Danesh, William Wai-Loong Young | 2020-05-26 |
| 10538412 | Brake operation management in elevators | Randall Keith Roberts, Ronnie E. Thebeau, Michael Garfinkel, Edward Piedra, Dennis Hanvey +1 more | 2020-01-21 |
| 10479645 | Electromagnetic brake system for elevator application | David J. Lanesey | 2019-11-19 |