| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 47 |
| # | Industry | |
|---|---|---|
| #1 | Packaging and shipping | |
| #2 | Engines, pumps and turbines | |
| #3 | Transport | |
| #4 | Civil engineering | |
| #5 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Elevators and escalators | |
| #2 | Winches | |
| #3 | Vehicle servicing | |
| #4 | Cyclically operating valves | |
| #5 | Shafts | |
| #6 | Gearing | |
| #7 | Machines | |
| #8 | Clutches and brakes | |
| #9 | Transport or storage devices | |
| #10 | Machines for making railways |
| # | Name | Total Patents |
|---|---|---|
| #1 | Schoenfeld Georg | 16 |
| #2 | Janouch Manfred | 6 |
| #3 | Stein Rudolf | 2 |
| #4 | Czech Erich | 1 |
| #5 | Schoenfeld Helmut | 1 |