| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Austria | 4 | |
| #2 | United Kingdom | 4 | |
| #3 | United States | 3 | |
| #4 | Spain | 2 | |
| #5 | Switzerland | 1 | |
| #6 | France | 1 |
| # | Industry | |
|---|---|---|
| #1 | Transport |
| # | Technology | |
|---|---|---|
| #1 | Vehicle brake control systems | |
| #2 | Aeroplanes |
| # | Name | Total Patents |
|---|---|---|
| #1 | Lipkowski Joseph De | 11 |
| #2 | Joseph De Lipkowski | 2 |
| Publication | Filing date | Title |
|---|---|---|
| US1274290A | Repeating accelerator for compressed-air brakes. | |
| US1083891A | Accelerator for air-brakes. | |
| US1084574A | Compressed-air brake. | |
| GB191126946A | Improvements in or relating to Compressed air Brakes. | |
| GB190810785A | Improvements relating to Resilient Wheels. | |
| GB190601332A | Improvements relating to Point-setting Devices for Trams or other Rail Vehicles. | |
| GB190211616A | Improvements relating to Aërial Machines. |