| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 12 | |
| #2 | France | 2 | |
| #3 | United Kingdom | 2 | |
| #4 | Denmark | 1 | |
| #5 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Basic materials chemistry | |
| #2 | Chemical engineering | |
| #3 | Machines | |
| #4 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Purifying gas composition | |
| #2 | Chemical or physical processes | |
| #3 | Shaping clay | |
| #4 | Gearing | |
| #5 | Separation |
| # | Name | Total Patents |
|---|---|---|
| #1 | Sexauer Dr Walther | 4 |
| #2 | Baer Dr Otto | 3 |
| #3 | Sexauer Walther Dr | 2 |
| #4 | Ruffloer Emil | 1 |
| #5 | Baer Otto Dr | 1 |
| #6 | Becker Ernst | 1 |
| #7 | Walther Sexauer | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB740662A | Improvements in or relating to the removal of sulphur from gases | |
| GB683432A | Improvements in or relating to the removal of sulphur from gases | |
| US2024393A | Method of freeing gases from sulphur compounds |