| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Switzerland | 8 | |
| #2 | Austria | 1 | |
| #3 | Germany | 1 | |
| #4 | Spain | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Chemical engineering | |
| #3 | Thermal processes | |
| #4 | Packaging and shipping | |
| #5 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Soldering, welding and flame cutting | |
| #2 | Drying solid materials by removing liquid | |
| #3 | Transport or storage devices | |
| #4 | Details of furnaces | |
| #5 | Furnaces | |
| #6 | Nails |
| # | Name | Total Patents |
|---|---|---|
| #1 | Roemer August | 6 |
| #2 | August Roemer | 4 |
| #3 | Roemer Fritz | 1 |
| #4 | Roemer Armin | 1 |
| Publication | Filing date | Title |
|---|---|---|
| ES139712A1 | Improvements in the construction of torches or welders for current and autogenous welding and for heating workpieces. |