| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 6 | |
| #2 | Austria | 2 | |
| #3 | Finland | 2 | |
| #4 | Canada | 1 | |
| #5 | Germany | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Basic materials chemistry | |
| #3 | Environmental technology | |
| #4 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Presses | |
| #2 | Fuels | |
| #3 | Reduction of greenhouse gas emissions | |
| #4 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Bowling Robert T | 7 |
| #2 | Thomas Bowling Robert | 2 |
| Publication | Filing date | Title |
|---|---|---|
| US2412709A | Briquetting means | |
| US2222250A | Fuel briquette | |
| US2224212A | Die head | |
| US2013026A | Briquette machine | |
| US1990632A | Method of making briquettes | |
| US1990631A | Briquetting machine | |
| CA557478A | Utilization of wood shavings in the manufacture of chemical wood pulp |