| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Switzerland | 21 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Mechanical elements | |
| #3 | Machines | |
| #4 | Measurement |
| # | Technology | |
|---|---|---|
| #1 | Gas-turbine combustion chambers | |
| #2 | Gas-turbine plants | |
| #3 | Jet-propulsion plants | |
| #4 | Shafts | |
| #5 | Unspecified technologies | |
| #6 | Explosive charges | |
| #7 | Gearing | |
| #8 | Measuring volume | |
| #9 | Special non-positive-displacement engines | |
| #10 | Steam turbines |
| # | Name | Total Patents |
|---|---|---|
| #1 | Morris Amos Stokes | 2 |
| #2 | Leonard Stanley Snell | 2 |
| #3 | Peter Frederick Orchard | 2 |
| #4 | Cuthbert Marklew Tunstall | 1 |
| #5 | David Mark Cockburn | 1 |
| #6 | Seymour Donald Glenfield | 1 |
| #7 | Richard Edward Sears | 1 |
| #8 | Douglas William Eggleton | 1 |
| #9 | David Eyre Williams | 1 |
| #10 | Frank Dryburgh | 1 |