| # | Country | Total Patents | |
|---|---|---|---|
| #1 | EPO (European Patent Office) | 6 | |
| #2 | Brazil | 3 | |
| #3 | France | 3 | |
| #4 | Republic of Korea | 3 | |
| #5 | United States | 3 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Mechanical elements | |
| #3 | Machines | |
| #4 | Transport |
| # | Technology | |
|---|---|---|
| #1 | Supplying combustion engines | |
| #2 | Pipes | |
| #3 | Unspecified technologies | |
| #4 | Vehicle air-treating devices |
| # | Name | Total Patents |
|---|---|---|
| #1 | Lepoutre Henri | 15 |
| #2 | Henri Lepoutre | 2 |
| #3 | Lepoutre Edmond Pol Jean | 1 |
| Publication | Filing date | Title |
|---|---|---|
| FR2841961A1 | POROUS CONDUIT WITH THIN FILM | |
| FR2831216A1 | THERMOFORMED INTAKE DUCT IN NON-WOVEN MATERIAL WITH DOUBLE BENDS | |
| FR2831217A1 | AIR FILTER, INTAKE DUCT, AND ASSEMBLY OF SUCH A FILTER AND AN INTAKE DUCT | |
| EP0665404A1 | A gas transport hose |