| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 70 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Machine tools | |
| #3 | Measurement | |
| #4 | Transport | |
| #5 | Textiles and paper | |
| #6 | Telecommunications | |
| #7 | Engines, pumps and turbines |
| # | Technology | |
|---|---|---|
| #1 | Shafts | |
| #2 | Measuring length, angles and areas | |
| #3 | Turning | |
| #4 | Grinding or polishing devices | |
| #5 | Spinning | |
| #6 | Nails | |
| #7 | Cycles | |
| #8 | Rail vehicle suspensions | |
| #9 | Internal-combustion piston engines | |
| #10 | Telephonic communication |
| Publication | Filing date | Title |
|---|---|---|
| FR440814A | Method of mounting ball bearings on shafts moving in their bearings. case b |