| # | Industry | |
|---|---|---|
| #1 | Transport | |
| #2 | Engines, pumps and turbines | |
| #3 | Mechanical elements | |
| #4 | Thermal processes |
| # | Technology | |
|---|---|---|
| #1 | Vehicle brake control systems | |
| #2 | Pistons and sealings | |
| #3 | Rotary-pistons | |
| #4 | Heat-exchanger without contact | |
| #5 | Pumps | |
| #6 | Domestic heating systems | |
| #7 | Railway brakes | |
| #8 | Siphons |
| # | Name | Total Patents |
|---|---|---|
| #1 | Chapsal Francois-Jules | 26 |
| #2 | Saillot Alfred-Louis-Emile | 23 |
| Publication | Filing date | Title |
|---|---|---|
| FR461023A | Improvements to diaphragms for devices using the pressures developed by fluids |