| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 20 | |
| #2 | Spain | 1 | |
| #3 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Basic materials chemistry | |
| #2 | Machine tools | |
| #3 | Packaging and shipping | |
| #4 | Mechanical elements | |
| #5 | Civil engineering | |
| #6 | Thermal processes | |
| #7 | Furniture and games |
| # | Technology | |
|---|---|---|
| #1 | Acetylene production | |
| #2 | Containers for goods storage | |
| #3 | Compressed gas holders | |
| #4 | Fire-fighting | |
| #5 | Punching metal | |
| #6 | Games | |
| #7 | Grinding tools | |
| #8 | Tools for connecting or disengaging | |
| #9 | Burners |
| # | Name | Total Patents |
|---|---|---|
| #1 | Schmidt Fr Paul | 3 |
| Publication | Filing date | Title |
|---|---|---|
| GB169675A | An improved wedge-adjusted spanner |