| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 11 |
| # | Industry | |
|---|---|---|
| #1 | Thermal processes | |
| #2 | Civil engineering | |
| #3 | Mechanical elements | |
| #4 | Engines, pumps and turbines | |
| #5 | Transport |
| # | Technology | |
|---|---|---|
| #1 | Air-conditioning | |
| #2 | Fire-fighting | |
| #3 | Venting or aerating devices | |
| #4 | Non-positive-displacement pumps | |
| #5 | Vehicle air-treating devices | |
| #6 | Domestic stoves |
| Publication | Filing date | Title |
|---|---|---|
| FR2527803A1 | Air flow regulator in particular for room air renewal installations | |
| FR2493966A1 | Extractor hood for cooker - has sound proof enclosure with suction fan slung from top surface | |
| FR2392302A1 | Mechanical regulator for ventilation system - has ring shaped mounting for shutter with pointer working against translucent curve |