| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 14 | |
| #2 | EPO (European Patent Office) | 7 | |
| #3 | Australia | 4 | |
| #4 | Canada | 4 | |
| #5 | WIPO (World Intellectual Property Organization) | 4 | |
| #6 | China | 1 | |
| #7 | Republic of Korea | 1 |
| # | Industry | |
|---|---|---|
| #1 | Environmental technology | |
| #2 | Machines | |
| #3 | Engines, pumps and turbines | |
| #4 | Civil engineering | |
| #5 | Chemical engineering |
| # | Name | Total Patents |
|---|---|---|
| #1 | Wetmore Kenneth H | 21 |
| #2 | Cox Stephen F | 18 |
| #3 | Kormanyos Kenneth R | 17 |
| #4 | Richards Ray S | 17 |
| #5 | Comanners K R | 1 |
| #6 | Wetmore K H | 1 |
| #7 | Cocks S F | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US5711635A | Apparatus for hazardous waste vitrification | |
| US5562363A | Apparatus for vitrifying hazardous waste | |
| US5536114A | Apparatus for vitrifcation of hazardous waste | |
| US5529594A | Method for producing mineral fibers having gaseous occlusions | |
| US5319669A | Hazardous waste melter | |
| US7120185B1 | Method and apparatus for waste vitrification | |
| US7108808B1 | Method for waste vitrification |