| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Materials and metallurgy |
| # | Technology | |
|---|---|---|
| #1 | Percussive tools | |
| #2 | Making forged metal products | |
| #3 | Making metal sheets | |
| #4 | Metalworking with concentrated electric current | |
| #5 | Metal tempering |
| # | Name | Total Patents |
|---|---|---|
| #1 | Brunon Louis | 3 |
| Publication | Filing date | Title |
|---|---|---|
| FR2486853A1 | Impact tool comprising a striking end and an active cutting end, and manufacturing method thereof | |
| BE882043A | Guard for hand hitting tool | |
| DE1930165A1 | Hand tool forming |