| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Machines | |
| #3 | Machine tools | |
| #4 | Measurement |
| # | Technology | |
|---|---|---|
| #1 | Gearing | |
| #2 | Accessories for machine tools | |
| #3 | Unspecified technologies | |
| #4 | Nails | |
| #5 | Milling | |
| #6 | Pipes | |
| #7 | Mechanical control devices | |
| #8 | Measuring length, angles and areas | |
| #9 | Shafts | |
| #10 | Tools for connecting or disengaging |
| # | Name | Total Patents |
|---|---|---|
| #1 | Engelmann Walter | 1 |
| #2 | Tschudi Dionis | 1 |
| Publication | Filing date | Title |
|---|---|---|
| FR1495859A | Angular connection force transmission device | |
| FR1340576A | safety nut | |
| GB987717A | Improvements in lock-nuts | |
| FR1333037A | Hinge pin for linkage yokes | |
| FR1270870A | Multipurpose device especially for actuating tools | |
| FR1216746A | Apparatus for grinding fodder plants, cereals, legumes, crushed cakes and similar products |