| # | Country | Total Patents | |
|---|---|---|---|
| #1 | France | 5 | |
| #2 | United Kingdom | 4 | |
| #3 | Austria | 1 | |
| #4 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Transport | |
| #2 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Vehicle brake control systems | |
| #2 | Venting or aerating devices |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hans Schmutz | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB504816A | Improvements in pneumatic brake systems | |
| GB454536A | Improvements in or relating to valves, more particularly for compressed air brakes | |
| GB463689A | Improvements in control valves for compressed air brakes | |
| GB444781A | Pressure device for hydraulic brakes, more particularly for motor vehicles |