| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Switzerland | 11 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Gearing |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hendrik Cancrinus | 11 |
| #2 | Eric Helmueth Friedmann | 2 |
| #3 | Philip John Fourie | 1 |
| #4 | Timothy Richard Trembath | 1 |
| #5 | Eric Helmuth Friedmann | 1 |
| #6 | Jason Paulus Van | 1 |
| #7 | Eric Helmuet Friedmann | 1 |
| #8 | Eric Helmut Friedmann | 1 |