| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 13 | |
| #2 | Germany | 3 | |
| #3 | United Kingdom | 3 | |
| #4 | United States | 2 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Machines | |
| #3 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Accessories for machine tools | |
| #2 | Sawing | |
| #3 | Turning | |
| #4 | Unspecified technologies | |
| #5 | Gearing |
| # | Name | Total Patents |
|---|---|---|
| #1 | Berthiez Charles | 13 |
| #2 | Charles Berthiez | 2 |
| Publication | Filing date | Title |
|---|---|---|
| GB336869A | Improvements in single-standard vertical lathes | |
| GB331798A | Guiding device for the work-carrying face plate of vertical lathes | |
| US1613554A | Reciprocating bed motion | |
| US1544797A | Reversing gear for planers and like machine tools | |
| GB171770A | Improvements in or relating to reversing gear for planers and like machine tools |