| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Switzerland | 8 | |
| #2 | Austria | 5 | |
| #3 | Spain | 4 | |
| #4 | United Kingdom | 4 | |
| #5 | Denmark | 3 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Construction of roads |
| # | Name | Total Patents |
|---|---|---|
| #1 | Planta Emanuel Von | 12 |
| #2 | Emanuel Von Planta | 8 |
| #3 | Adam Fritz | 5 |
| Publication | Filing date | Title |
|---|---|---|
| GB190523931A | Improvements in or connected with Brake and Sanding Apparatus of Railway Vehicles. | |
| GB190425217A | Sand Distributing Apparatus. | |
| GB190023487A | Electro-mechanical Emergency Brake for Tramcars Driven by Electricity. | |
| GB190000765A | Improved Automatic Grooved-rail Clearer for Street Tramways. |