| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 4 | |
| #2 | France | 3 | |
| #3 | Italy | 3 | |
| #4 | Switzerland | 2 | |
| #5 | Japan | 2 | |
| #6 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Machines | |
| #3 | Measurement |
| # | Technology | |
|---|---|---|
| #1 | Accessories for machine tools | |
| #2 | Turning | |
| #3 | Unspecified technologies | |
| #4 | Grinding or polishing devices | |
| #5 | Machines for making clocks | |
| #6 | Workshop equipment |
| # | Name | Total Patents |
|---|---|---|
| #1 | Willemin Andre | 3 |
| #2 | Pooru Uiruman | 2 |
| #3 | Willemin Paul | 2 |
| Publication | Filing date | Title |
|---|---|---|
| JPS52111087A | Grinding machine and method of using thereof | |
| JPS52106194A | Profile grinding machine | |
| DE2548902A1 | Abrasive band copying machine tool - has pattern and cam controlling tool position relative to spindle | |
| US3951017A | Machine-tool, especially automatic lathe | |
| CH562668A5 | Apparatus for marking out machined parts - has scribing point on scale movable in two mutually perpendicular directions |