| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 23 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Transport | |
| #3 | Basic materials chemistry | |
| #4 | Surface technology and coating |
| # | Technology | |
|---|---|---|
| #1 | Soldering, welding and flame cutting | |
| #2 | Vehicle wheels | |
| #3 | Making metal sheets | |
| #4 | Rolling metal | |
| #5 | Lubricating compositions | |
| #6 | Blasting | |
| #7 | Punching metal | |
| #8 | Special lubricating compositions | |
| #9 | Coating metallic material | |
| #10 | Metallic material cleaning |
| # | Name | Total Patents |
|---|---|---|
| #1 | Stiehl Dipl-Ing Fritz | 6 |
| Publication | Filing date | Title |
|---|---|---|
| DE732439C | Conductive lubricant for welding machines with rotating electrodes for low voltages and high currents |