| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 11 | |
| #2 | United Kingdom | 2 | |
| #3 | Switzerland | 1 |
| # | Industry | |
|---|---|---|
| #1 | Transport | |
| #2 | Mechanical elements | |
| #3 | Engines, pumps and turbines |
| # | Technology | |
|---|---|---|
| #1 | Vehicle brake control systems | |
| #2 | Gearing | |
| #3 | Pumps | |
| #4 | Clutches and brakes |
| # | Name | Total Patents |
|---|---|---|
| #1 | Lockheed Societe Anonyme Franc | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB454648A | Improved controlling device for hydraulic transmission systems | |
| GB447829A | Improvements in hydraulic brakes |