| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Belgium | 3 | |
| #2 | Canada | 3 | |
| #3 | France | 3 | |
| #4 | United Kingdom | 3 | |
| #5 | Sweden | 3 | |
| #6 | Yugoslavia (Serbia and Montenegro) | 3 | |
| #7 | Finland | 2 | |
| #8 | Norway | 2 | |
| #9 | Denmark | 1 | |
| #10 | Hungary | 1 | |
| #11 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Transport | |
| #2 | Materials and metallurgy |
| # | Technology | |
|---|---|---|
| #1 | Railway equipment | |
| #2 | Alloys |
| # | Name | Total Patents |
|---|---|---|
| #1 | Wilisch Erhart | 15 |
| #2 | Lotze Berthold | 2 |
| #3 | Erhart Wilisch | 2 |
| #4 | Wilisch E | 1 |
| Publication | Filing date | Title |
|---|---|---|
| HU175867B | Bull stop | |
| YU81177A | Buffer | |
| GB1056498A | Improvements in railway vehicle braking apparatus including a track buffer frame | |
| GB852389A | Improvements in or relating to railway buffers | |
| GB881345A | Improvements in or relating to rallway buffers | |
| CA657854A | Railway buffers | |
| CA670025A | Railway buffers |