| # | Industry | |
|---|---|---|
| #1 | Materials and metallurgy | |
| #2 | Machines | |
| #3 | Thermal processes | |
| #4 | Chemical engineering | |
| #5 | Environmental technology |
| # | Name | Total Patents |
|---|---|---|
| #1 | Zacharias Donald Richard | 53 |
| #2 | Juma Kassim | 47 |
| #3 | Trinkl Gerd | 38 |
| #4 | Stevenson John | 37 |
| #5 | Jaunich Helmut | 37 |
| #6 | Bradley Martin | 35 |
| #7 | Stoetzel Reinhard | 34 |
| #8 | Fessel Manfred | 33 |
| #9 | Ravault Frank Ernest George | 30 |
| #10 | Neu Max Gerhard | 28 |
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