| # | Country | Total Patents | |
|---|---|---|---|
| #1 | New Zealand | 2 | |
| #2 | United States | 2 | |
| #3 | Australia | 1 | |
| #4 | Bulgaria | 1 | |
| #5 | Brazil | 1 | |
| #6 | Canada | 1 | |
| #7 | China | 1 | |
| #8 | Czechia | 1 | |
| #9 | EPO (European Patent Office) | 1 | |
| #10 | Finland | 1 | |
| #11 | Hungary | 1 | |
| #12 | Norway | 1 | |
| #13 | Poland | 1 | |
| #14 | Russian Federation | 1 | |
| #15 | Slovakia | 1 | |
| #16 | Turkey | 1 | |
| #17 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Environmental technology | |
| #2 | Engines, pumps and turbines | |
| #3 | Thermal processes | |
| #4 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Steam generation | |
| #2 | Venting or aerating devices | |
| #3 | Steam engine plants | |
| #4 | Reduction of greenhouse gas emissions |
| # | Name | Total Patents |
|---|---|---|
| #1 | Coombs James L | 18 |
| #2 | Haws Michael G | 18 |
| #3 | Ketrick David M | 17 |
| #4 | Tighe James H | 17 |
| #5 | Denton Dennis L | 17 |
| #6 | Messner Dennis L | 17 |
| #7 | Schwerzel George W | 17 |
| #8 | Cox Tommy R | 17 |
| #9 | King James W | 17 |
| #10 | Helean William P | 17 |
| Publication | Filing date | Title |
|---|---|---|
| US5517822A | Mobile congeneration apparatus including inventive valve and boiler |