| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Belgium | 2 | |
| #2 | German Democratic Republic | 1 | |
| #3 | Germany | 1 | |
| #4 | Spain | 1 | |
| #5 | France | 1 | |
| #6 | Italy | 1 | |
| #7 | Japan | 1 | |
| #8 | Netherlands | 1 | |
| #9 | African Intellectual Property Organization | 1 | |
| #10 | Sweden | 1 |
| # | Industry | |
|---|---|---|
| #1 | Medical technology | |
| #2 | Thermal processes | |
| #3 | Machines | |
| #4 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Operating tables | |
| #2 | Air-conditioning | |
| #3 | Unspecified technologies | |
| #4 | Safety devices |
| # | Name | Total Patents |
|---|---|---|
| #1 | Willot Henri | 2 |
| #2 | Anri Buirou | 1 |
| Publication | Filing date | Title |
|---|---|---|
| OA5814A | Air neutralization and purification apparatus. | |
| FR2372649A1 | AIR NEUTRALIZATION AND CLEANING UNIT |