Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12193370 | Hydroponic water treatment system | — | 2025-01-14 |
| 11124437 | System and apparatus for a mobile, modular agricultural bioreactor, and methods related thereto | — | 2021-09-21 |
| 7532986 | Particle sizing refinement system | Steven J. Carnegie, Meindert Kleefstra, Isaac S. Simpson | 2009-05-12 |
| RE39871 | Particulate detection and air advice provision | — | 2007-10-09 |
| 7016791 | Particle sizing refinement system | Steven J. Carnegie, Meindert Kleefstra, Isaac S. Simpson | 2006-03-21 |
| 6693546 | Particulate detection and air advice provision | — | 2004-02-17 |
| 6466133 | Apparatus for allergen detection and air/asthma advice provision | — | 2002-10-15 |
| 6288646 | Allergen detection and air/asthma advice provision | — | 2001-09-11 |