| # | Industry | |
|---|---|---|
| #1 | Machine tools |
| # | Technology | |
|---|---|---|
| #1 | Punching metal | |
| #2 | Making metal sheets |
| # | Name | Total Patents |
|---|---|---|
| #1 | Matthies Hermann Dipl Ing | 3 |
| #2 | Westerkamp Ewald | 2 |
| #3 | Kohl Alfons | 2 |
| #4 | Nortmann Hermann | 2 |
| #5 | Siekmann Hermann | 1 |
| #6 | Westerfeld Heinrich | 1 |
| #7 | Gostmann Gerhard | 1 |
| #8 | Siekmann Ruediger | 1 |
| #9 | Stift Veit Alfons | 1 |
| #10 | Matthies Hermann | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE3150426A1 | Bending apparatus | |
| DE2920623A1 | DEVICE FOR BENDING TUBES | |
| DE2825166A1 | METHOD AND DEVICE FOR MANUFACTURING ELBOWS WITH A CROSS-SECTION TAPING FROM ONE END TO THE OTHER END | |
| DE1527397A1 | Die for reshaping pipe arches | |
| DE1527410A1 | Device for bending pipes into pipe bends |