| # | Country | Total Patents | |
|---|---|---|---|
| #1 | EPO (European Patent Office) | 3 | |
| #2 | Japan | 3 | |
| #3 | Brazil | 2 | |
| #4 | Canada | 2 | |
| #5 | United States | 2 | |
| #6 | South Africa | 2 | |
| #7 | Australia | 1 | |
| #8 | Spain | 1 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Environmental technology | |
| #3 | Machines |
| # | Name | Total Patents |
|---|---|---|
| #1 | Baddour Raymond F | 12 |
| #2 | Treuhaft Martin B | 6 |
| #3 | Hoch Robert | 4 |
| #4 | Wood Charles D Iii | 4 |
| #5 | Wood Iii Charles D | 2 |
| #6 | Treuhaft Martin G | 1 |
| #7 | Wood Charles D | 1 |
| Publication | Filing date | Title |
|---|---|---|
| CA1285493C | Method and apparatus for filtering solid particulate matter from diesel engine exhaust | |
| ES2002285A6 | Method of removing solid particulate matter from diesel engine exhaust | |
| EP0213725A2 | Method and apparatus for trapping and incinerating particulate matter found in diesel engine exhaust | |
| ZA861609B | Method and apparatus for filtering solid particulate matter from diesel engine exhaust |