| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 13 | |
| #2 | United Kingdom | 2 |
| # | Industry | |
|---|---|---|
| #1 | Basic materials chemistry | |
| #2 | Mechanical elements | |
| #3 | Chemical engineering |
| # | Technology | |
|---|---|---|
| #1 | Gas, coke and tar production | |
| #2 | Gas holders | |
| #3 | Purifying gas composition | |
| #4 | Separation | |
| #5 | Liquid hydrocarbon mixture production |
| Publication | Filing date | Title |
|---|---|---|
| GB337711A | Improved dry seal for disc gas holders | |
| GB271130A | Method and device for the separation of a mixture of liquids having different boiling points |