| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Switzerland | 10 | |
| #2 | Germany | 6 | |
| #3 | United Kingdom | 4 | |
| #4 | France | 1 | |
| #5 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Turning | |
| #2 | Thread cutting | |
| #3 | Unspecified technologies | |
| #4 | Accessories for machine tools |
| # | Name | Total Patents |
|---|---|---|
| #1 | Angst Fritz | 11 |
| #2 | Fritz Angst | 7 |
| Publication | Filing date | Title |
|---|---|---|
| CH657297A5 | Reader holder. | |
| CH657078A5 | Threading head. | |
| US4037497A | Tool holder with fine infeed | |
| GB1075876A | Improvements in or relating to lathe tool holder | |
| GB697061A | Improved screw-cutting attachment for machine tools having reversible working spindles |