| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy | |
| #2 | Machine tools |
| # | Technology | |
|---|---|---|
| #1 | Electric switches | |
| #2 | Electrically-conductive connections | |
| #3 | Punching metal |
| # | Name | Total Patents |
|---|---|---|
| #1 | Haas Fritz Dipl Ing Dr Techn | 4 |
| #2 | Naumann Lothar Dipl Ing | 4 |
| #3 | Haller Johann Ing | 3 |
| #4 | Koch Karl Michael Dr Rer Nat | 2 |
| #5 | Melkich Alexander Dr Rer Nat | 2 |
| #6 | Janota Karl Ing | 2 |
| #7 | Rzymann Willibald Dipl-Ing | 1 |
| #8 | Opl Egbert Dipl Ing | 1 |
| #9 | Geiling Leonhard Dr Ing | 1 |
| #10 | Gabriel Wilhelm Ing | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE2111289A1 | Process for the production of thin-walled threaded sleeves for electrical installation purposes |