| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Austria | 8 | |
| #2 | Belgium | 4 | |
| #3 | Spain | 3 | |
| #4 | Germany | 2 | |
| #5 | Switzerland | 1 | |
| #6 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Shafts |
| # | Name | Total Patents |
|---|---|---|
| #1 | Jasper Karl Theodor | 14 |
| #2 | Hans Werner Dr Vom Felde | 1 |
| #3 | Karl Theodor Jasper | 1 |
| #4 | Esser Friedrich Dr | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB938009A | Support arches for underground roads in mines | |
| ES253210A1 | A dissemination of entry frames (Machine-translation by Google Translate, not legally binding) | |
| ES238468A1 | Improvements introduced in the construction of frames for the entibation of galleries (Machine-translation by Google Translate, not legally binding) | |
| ES203043A1 | Improvements introduced in the construction of announced or arched galleries (Machine-translation by Google Translate, not legally binding) |