| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Switzerland | 3 | |
| #2 | Germany | 3 | |
| #3 | United Kingdom | 3 | |
| #4 | France | 2 | |
| #5 | Sweden | 2 | |
| #6 | Austria | 1 | |
| #7 | Canada | 1 | |
| #8 | Spain | 1 | |
| #9 | Italy | 1 | |
| #10 | Romania | 1 | |
| #11 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Transport | |
| #2 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Railway equipment | |
| #2 | Guiding railway traffic | |
| #3 | Machines for making railways | |
| #4 | Street cleaning |
| # | Name | Total Patents |
|---|---|---|
| #1 | Marszalek Leszek | 4 |
| #2 | Hodbod Andrzej | 3 |
| #3 | Lorenc Tadeusz | 3 |
| #4 | Kulewski Ryszard Dipl Ing | 1 |
| #5 | Swiderski B | 1 |
| #6 | Kulewski Ryszard Dipl-Ing | 1 |
| #7 | Misiorny Andrzej Ing | 1 |
| #8 | Lorenc Tadeusz Dipl Ing | 1 |
| #9 | Moscicki Z | 1 |
| #10 | Lorenc T | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB1481994A | Bi-directional automatic line blocking system | |
| ES429096A1 | Railway track brake | |
| DE1530330A1 | Signal system for reporting the approach of a rail vehicle, in particular a rail vehicle | |
| FR1468537A | System for signaling the approach of a vehicle moving on rails, in particular a railway vehicle | |
| GB1064579A | Improvements in or relating to snow sweeping equipment |