| # | Industry | |
|---|---|---|
| #1 | Packaging and shipping | |
| #2 | Chemical engineering | |
| #3 | Measurement | |
| #4 | Machine tools | |
| #5 | Materials and metallurgy | |
| #6 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Packaging | |
| #2 | Separating solids | |
| #3 | Transport or storage devices | |
| #4 | Weighing | |
| #5 | Metal wire processing | |
| #6 | Analysing materials | |
| #7 | Shaping of plastics | |
| #8 | Building materials | |
| #9 | Containers for goods storage | |
| #10 | Separating solids using liquids |
| # | Name | Total Patents |
|---|---|---|
| #1 | Herold Karl | 2 |
| #2 | Gerhard Arthur | 2 |
| #3 | Herold Carl | 2 |
| #4 | Ruhkamp Franz | 1 |
| #5 | Bruder Alfred | 1 |
| #6 | Balmadier Pierre | 1 |
| #7 | Bahr Willi | 1 |
| #8 | Bahr Wilhelm | 1 |