| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 5 | |
| #2 | Canada | 2 | |
| #3 | China | 2 | |
| #4 | WIPO (World Intellectual Property Organization) | 2 |
| # | Industry | |
|---|---|---|
| #1 | Thermal processes | |
| #2 | Environmental technology | |
| #3 | Machines | |
| #4 | Engines, pumps and turbines | |
| #5 | Chemical engineering | |
| #6 | Mechanical elements |
| # | Name | Total Patents |
|---|---|---|
| #1 | Tetley Paul Antony | 7 |
| #2 | Gans Charles A | 4 |
| #3 | Secrest Lynn Thomas | 3 |
| #4 | Keller Joseph H | 1 |
| #5 | Secrest L T | 1 |
| #6 | Baur Fred G | 1 |
| #7 | Petersen Ray R | 1 |
| #8 | Nedza Donald A | 1 |
| #9 | Tetley P A | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US6431974B1 | Acoustic wind band | |
| US6112850A | Acoustic silencer nozzle | |
| US4456702A | Abatement screen catalyst | |
| US4363603A | Pump impeller assembly with anti-rotation device | |
| US4104170A | Liquid filter having improved extended polypropylene element |