Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9921397 | Daylight collectors with thermal control | — | 2018-03-20 |
| 9816675 | Daylight collectors with diffuse and direct light collection | — | 2017-11-14 |
| 9816676 | Daylight collectors with diffuse and direct light collection | — | 2017-11-14 |
| 9291321 | Devices and methods for collecting daylight in clear and cloudy weather conditions | — | 2016-03-22 |
| 9127823 | Daylight collection systems and methods | — | 2015-09-08 |
| 8982467 | High aspect ratio daylight collectors | — | 2015-03-17 |
| 8837048 | Daylight collection systems and methods | — | 2014-09-16 |
| 8601757 | Thermally insulating fenestration devices and methods | Keith Kopitzke, David James Wilson, David Windsor Rillie | 2013-12-10 |
| 8568011 | Daylighting devices with auxiliary lighting system and light turning features | David Windsor Rillie, Keith Kopitzke, Ding Yao Shay | 2013-10-29 |
| 8371078 | Sunlight collection system and apparatus | — | 2013-02-12 |
| 8132375 | Skylight cover with prismatic dome and cylinder portions | — | 2012-03-13 |
| 8098433 | Direct and indirect light diffusing devices and methods | David Windsor Rillie, Keith Kopitzke, Ding Yao Shay | 2012-01-17 |
| 8082705 | Skylight tube with reflective structured surface | David Windsor Rillie | 2011-12-27 |
| 8083363 | Daylighting devices and methods with auxiliary lighting fixtures | — | 2011-12-27 |
| 8018653 | Skylight collimator with multiple stages | — | 2011-09-13 |
| 7954281 | Skylight tube with infrared heat transfer | — | 2011-06-07 |
| 7957065 | Skylight collimator with multiple stages | — | 2011-06-07 |
| 7546709 | Tubular skylight dome with variable prism | John A. Futhey | 2009-06-16 |
| 5648873 | Passive solar collector | Mark J. O'Neill | 1997-07-15 |
| 5551042 | Structured films and use thereof for daylight illumination | Michael C. Lea | 1996-08-27 |
| 5261184 | Greenhouse construction and improved method of growing plants | Roger H. Appeldorn, Sanford Cobb, Jr. | 1993-11-16 |