| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Switzerland | 34 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Machine tools | |
| #3 | Control | |
| #4 | Mechanical elements | |
| #5 | Machines | |
| #6 | Thermal processes |
| # | Name | Total Patents |
|---|---|---|
| #1 | Company Limited The Bristol Ae | 31 |
| #2 | Samuel James Stapenell | 1 |
| #3 | William Andrew Baker | 1 |
| #4 | Company Limited The Bristol-Ae | 1 |
| #5 | Harold John Pollard | 1 |
| #6 | Limited Coventry Gauge Tool Co | 1 |
| #7 | Stanley Jaffa Harley | 1 |
| #8 | Frederick William Whitehead | 1 |