| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 7 | |
| #2 | Belgium | 2 | |
| #3 | United Kingdom | 1 | |
| #4 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Machines | |
| #3 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Turning | |
| #2 | Unspecified technologies | |
| #3 | Accessories for machine tools | |
| #4 | Venting or aerating devices |
| # | Name | Total Patents |
|---|---|---|
| #1 | Kreutzer Franz | 5 |
| #2 | Blaettry Hans | 2 |
| #3 | Hans Blattry | 1 |
| #4 | Antoni H | 1 |
| #5 | Deuring Karl | 1 |
| #6 | Deuring Karl Dipl-Ing | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US3199880A | Multiple jaw chuck |