| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 4 | |
| #2 | Belgium | 1 | |
| #3 | Canada | 1 | |
| #4 | Switzerland | 1 | |
| #5 | Germany | 1 | |
| #6 | Spain | 1 | |
| #7 | United Kingdom | 1 | |
| #8 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Transport | |
| #2 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Vehicle parts | |
| #2 | Springs | |
| #3 | Vehicle suspension arrangements |
| # | Name | Total Patents |
|---|---|---|
| #1 | Eugene Jules Laugaudin | 9 |
| #2 | Laugaudin Eugene Jules | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US1680890A | Pneumatic suspension device for vehicles | |
| CA272952A | Pneumatic suspension device for vehicles |