| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 3 | |
| #2 | WIPO (World Intellectual Property Organization) | 3 | |
| #3 | Australia | 2 | |
| #4 | EPO (European Patent Office) | 2 | |
| #5 | Mexico | 2 | |
| #6 | Argentina | 1 | |
| #7 | China | 1 | |
| #8 | Taiwan | 1 |
| # | Industry | |
|---|---|---|
| #1 | Environmental technology | |
| #2 | Electrical machinery and energy | |
| #3 | Chemical engineering |
| # | Technology | |
|---|---|---|
| #1 | Gas-flow silencers for machines | |
| #2 | Magnets and transformers | |
| #3 | Separation | |
| #4 | Climate change mitigation in transportation |
| # | Name | Total Patents |
|---|---|---|
| #1 | Keppel Paul D | 13 |
| #2 | Wilson Randolph M | 8 |
| #3 | Randolph M Wilson | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US7534401B2 | Arcing electron stream apparatus and method | |
| WO03007682A2 | Emission control device and method | |
| MXPA03009488A | Emission control device and method. | |
| US6508991B2 | Emission control device and method |