| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 12 | |
| #2 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Thermal processes | |
| #2 | Materials and metallurgy | |
| #3 | Organic fine chemistry | |
| #4 | Pharmaceuticals | |
| #5 | Basic materials chemistry |
| # | Technology | |
|---|---|---|
| #1 | Iron and steel production | |
| #2 | Furnaces | |
| #3 | Heat-exchanger without contact | |
| #4 | Pig-iron processing | |
| #5 | Controlling combustion | |
| #6 | Fluid heaters | |
| #7 | Medical preparations | |
| #8 | Specific use of cosmetics | |
| #9 | Gas, coke and tar production |
| # | Name | Total Patents |
|---|---|---|
| #1 | Degen Joseph | 13 |
| Publication | Filing date | Title |
|---|---|---|
| DE1964350A1 | Anti-parodontal and anticaries compn contg - carbon dioxide | |
| DE1551779A1 | Procedure for operating recuperators | |
| GB190704594A | An Improved Catamenial Bandage. |