| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 5 | |
| #2 | Australia | 3 | |
| #3 | WIPO (World Intellectual Property Organization) | 2 | |
| #4 | South Africa | 2 | |
| #5 | Canada | 1 | |
| #6 | Mexico | 1 |
| # | Industry | |
|---|---|---|
| #1 | Environmental technology | |
| #2 | Engines, pumps and turbines | |
| #3 | Chemical engineering | |
| #4 | Thermal processes | |
| #5 | Machines |
| # | Name | Total Patents |
|---|---|---|
| #1 | Paas Norbert | 14 |
| #2 | Norbert Paas | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US6502392B1 | Induction cooled exhaust filtration system | |
| US5785030A | Exhaust gas recirculation in internal combustion engines | |
| US5431706A | Disposable particulate filter | |
| US5272874A | Exhaust treatment system |