| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 14 | |
| #2 | Switzerland | 1 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Thermal processes | |
| #3 | Mechanical elements | |
| #4 | Environmental technology | |
| #5 | Machine tools |
| # | Name | Total Patents |
|---|---|---|
| #1 | Roeder Dr Karl | 2 |
| #2 | Karl Roeder Dr | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE418244C | Method and device for defining bodies exposed to different temperatures in their individual parts | |
| DE321402C | Chimney cooler with built-in sprinkler system |