| # | Industry | |
|---|---|---|
| #1 | Materials and metallurgy | |
| #2 | Engines, pumps and turbines | |
| #3 | Mechanical elements | |
| #4 | Machine tools | |
| #5 | Basic materials chemistry | |
| #6 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Pistons and sealings | |
| #2 | Cylinders for combustion engines | |
| #3 | Casting metal | |
| #4 | Alloys | |
| #5 | Metal-working | |
| #6 | Unspecified technologies | |
| #7 | Coating compositions | |
| #8 | Lubricating compositions | |
| #9 | Soldering, welding and flame cutting | |
| #10 | Metal tempering |
| # | Name | Total Patents |
|---|---|---|
| #1 | Morgenstern Roman | 5 |
| #2 | Knobloch Holger | 4 |
| #3 | Humbertjean Alexander | 4 |
| #4 | Hoeppel Heinz Werner | 4 |
| #5 | Korn Matthias | 4 |
| #6 | Goeken Mathias | 4 |
| #7 | Beck Tilmann | 4 |
| #8 | Freidhager Marcus | 3 |
| #9 | Lades Klaus | 3 |
| #10 | Heinz Paul | 2 |