| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 9 | |
| #2 | Australia | 1 | |
| #3 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Measurement | |
| #2 | Machines | |
| #3 | Computer technology | |
| #4 | Environmental technology | |
| #5 | Thermal processes |
| # | Name | Total Patents |
|---|---|---|
| #1 | Skardon John N | 6 |
| #2 | Kleefstra Meindert J | 6 |
| #3 | Simpson Isaac S | 2 |
| #4 | Carnegie Steven J | 2 |
| #5 | Kleefstra Meindert | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2007131859A1 | Tamper resistant radon detector | |
| US2007169538A1 | Sensor drift characteristic testing | |
| WO2004031756A1 | Method and apparatus for particle sizing | |
| US7016791B2 | Particle sizing refinement system | |
| US6466133B1 | Apparatus for allergen detection and air/asthma advice provision |