| # | Country | Total Patents | |
|---|---|---|---|
| #1 | EPO (European Patent Office) | 3 | |
| #2 | WIPO (World Intellectual Property Organization) | 3 | |
| #3 | United States | 2 | |
| #4 | Canada | 1 | |
| #5 | China | 1 | |
| #6 | Taiwan | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Handles for hand implements | |
| #2 | Multi-purpose tools | |
| #3 | Tools for connecting or disengaging | |
| #4 | Clutches and brakes |
| # | Name | Total Patents |
|---|---|---|
| #1 | Klomp Waltherus Christianus | 6 |
| #2 | Fruehm Hermann | 5 |
| #3 | Frühm Hermann | 1 |
| #4 | Frum Hermann | 1 |
| Publication | Filing date | Title |
|---|---|---|
| EP1989023A1 | Three-way ratchet drive mechanism | |
| US2007044598A1 | Screwdriver bit cartridge retainer | |
| US2002184979A1 | Battery-powered screwdriver with integral bit holder |