| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 6 | |
| #2 | EPO (European Patent Office) | 3 | |
| #3 | Portugal | 3 | |
| #4 | United States | 3 |
| # | Industry | |
|---|---|---|
| #1 | Environmental technology |
| # | Technology | |
|---|---|---|
| #1 | Gas-flow silencers for machines | |
| #2 | Climate change mitigation in transportation |
| # | Name | Total Patents |
|---|---|---|
| #1 | Deville Paul | 12 |
| #2 | Paul Deville | 2 |
| #3 | Kreis Robin | 1 |
| Publication | Filing date | Title |
|---|---|---|
| FR2799233A1 | Silencer for vehicles has outer envelope, with an ovoid cross section elongated along large diameter | |
| FR2695430A1 | Exhaust outlet with post-absorption device. | |
| FR2694600A1 | Sliding envelope silencer. | |
| FR2656037A1 | Exhaust exhaust with purifier. | |
| FR2656038A1 | EXHAUST VENTURI EXHAUST. | |
| FR2646207A1 | MODULAR MUFFLER |