| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 12 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Unspecified technologies | |
| #2 | Thread cutting | |
| #3 | Milling | |
| #4 | Accessories for machine tools | |
| #5 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hall Peter P-G | 12 |
| Publication | Filing date | Title |
|---|---|---|
| US2064304A | Cutter head | |
| US2008757A | Milling machine | |
| US1945854A | Milling cutter | |
| US1899865A | Machine for milling threads | |
| US1717380A | Milling cutter | |
| US1681232A | Oil cleaner | |
| US1668070A | Milling cutter | |
| US1804686A | Thread milling machine | |
| US1415339A | Milling cutter | |
| US1507235A | Method of and machine for milling tapered threads | |
| US1343503A | Metal-working machine | |
| US1316718A | Planetary metal-working machine. |