| # | Country | Total Patents | |
|---|---|---|---|
| #1 | China | 5 | |
| #2 | Australia | 4 | |
| #3 | United Kingdom | 4 | |
| #4 | United States | 4 | |
| #5 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Thermal processes | |
| #2 | Engines, pumps and turbines | |
| #3 | Agriculture |
| # | Technology | |
|---|---|---|
| #1 | Hot gas positive-displacement engine plants | |
| #2 | Heat-exchanger without contact | |
| #3 | Heat-exchange device details | |
| #4 | Harvesting |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hoffman Gary P | 18 |
| #2 | Ide Richard J | 17 |
| #3 | Ide Nanette F | 4 |
| #4 | Ide Richard | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB201510631D0 | Externally heated engine | |
| US2010139885A1 | Sintered diamond heat exchanger apparatus | |
| US2008244970A1 | Apparatus and method for cutting lawns using lasers | |
| US7076941B1 | Externally heated engine |