| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 9 | |
| #2 | Spain | 2 | |
| #3 | United Kingdom | 2 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Civil engineering | |
| #3 | Packaging and shipping |
| # | Technology | |
|---|---|---|
| #1 | Servomotors | |
| #2 | Dredging | |
| #3 | Cranes | |
| #4 | Construction of roads |
| # | Name | Total Patents |
|---|---|---|
| #1 | Blondeau Jean | 1 |
| #2 | Metailler Roger | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB1207379A | Hydraulic control system | |
| ES333924A1 | A hydraulic distributor device. (Machine-translation by Google Translate, not legally binding) |