| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 12 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Mechanical elements | |
| #3 | Packaging and shipping | |
| #4 | Machine tools | |
| #5 | Transport |
| # | Technology | |
|---|---|---|
| #1 | Tools for connecting or disengaging | |
| #2 | Gas-turbine plants | |
| #3 | Transport or storage devices | |
| #4 | Jet-propulsion plants | |
| #5 | Gearing | |
| #6 | Clutches and brakes | |
| #7 | Supplying combustion engines | |
| #8 | Aeroplanes |
| # | Name | Total Patents |
|---|---|---|
| #1 | Sommer Paul | 10 |