| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 12 | |
| #2 | Canada | 6 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Environmental technology | |
| #3 | Machines | |
| #4 | Mechanical elements | |
| #5 | Transport |
| # | Technology | |
|---|---|---|
| #1 | Reduction of greenhouse gas emissions | |
| #2 | Wind motors | |
| #3 | Unspecified technologies | |
| #4 | Pumps | |
| #5 | Shafts | |
| #6 | Aeroplanes | |
| #7 | Non-positive-displacement pumps | |
| #8 | Special wind, spring and weight motors | |
| #9 | Steam turbines |
| # | Name | Total Patents |
|---|---|---|
| #1 | Brett William P | 18 |
| Publication | Filing date | Title |
|---|---|---|
| US1624527A | Pumping mechanism | |
| US1624577A | Deep-well pumping mechanism | |
| US1067970A | Windmill. | |
| CA103380A | Windmill | |
| US980172A | Windmill. | |
| CA103288A | Lubricated pitman for windmills | |
| CA94981A | Windmill | |
| CA93911A | Windmill pitman | |
| CA93910A | Windmill | |
| CA93909A | Windmill | |
| US1105021A | Windmill-power plant. | |
| US1105020A | Windmill. | |
| US758296A | Windmill. | |
| US763360A | Windmill-pitman and means for its automatic lubrication. | |
| US756775A | Windmill-pitman and means for its automatic lubrication. | |
| US780932A | Automatically-lubricated pitman for windmills. | |
| US827611A | Windmill. | |
| US766662A | Windmill. |