| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 15 | |
| #2 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Basic materials chemistry | |
| #2 | Mechanical elements | |
| #3 | Machine tools | |
| #4 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Acetylene production | |
| #2 | Compressed gas holders | |
| #3 | Fire-fighting | |
| #4 | Cane or cork processing |
| # | Name | Total Patents |
|---|---|---|
| #1 | Muetschele Richard | 5 |
| #2 | Conzelmann Gerhard | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB271803A | Improvements in apparatus for generating acetylene under pressure |