| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 16 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Measurement | |
| #3 | Environmental technology | |
| #4 | Engines, pumps and turbines | |
| #5 | Basic materials chemistry | |
| #6 | Chemical engineering | |
| #7 | Packaging and shipping | |
| #8 | Thermal processes |
| # | Name | Total Patents |
|---|---|---|
| #1 | Andre Paul | 2 |
| #2 | Durand Gilles | 2 |
| #3 | Bouron Pierre | 2 |
| #4 | Pouplier Jacques | 2 |
| #5 | Debrus Pierre | 2 |
| Publication | Filing date | Title |
|---|---|---|
| FR2521300A1 | LPG aq. pollution detection and elimination - by observation of samples passed over water soluble colourant blocks of e.g. methylene blue | |
| FR2492523A1 | Pressure reducing valve and flowmeter combination - comprising flywheel receiving gas flow and attached indicating device inside flow valve | |
| FR2223624A1 | Liquefied gas bottle automatic tap control - has socket lifted by ram and deformable walls to grip valve wheel |