| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 10 | |
| #2 | Switzerland | 1 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Thermal processes | |
| #3 | Electrical machinery and energy | |
| #4 | Machines | |
| #5 | Transport |
| # | Technology | |
|---|---|---|
| #1 | Rotary pistons | |
| #2 | Fluid heaters | |
| #3 | Solid fuel combustion | |
| #4 | Spraying devices | |
| #5 | Steam engine plants | |
| #6 | Installation of electric cables | |
| #7 | Rail vehicle suspensions | |
| #8 | Jet-propulsion plants |
| # | Name | Total Patents |
|---|---|---|
| #1 | Sommer Paul | 10 |
| #2 | Paul Sommer | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE2537043A1 | Sailing system for inflatable craft - consists of single integral unit carrying mast rudder and stabilising fins | |
| DE2360541A1 | Boiler for solid, liquid or gaseous fuel - has differently shaped combustion spaces for solid and other fuels |