| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Austria | 1 | |
| #2 | Canada | 1 | |
| #3 | Germany | 1 | |
| #4 | Denmark | 1 | |
| #5 | Spain | 1 | |
| #6 | Finland | 1 | |
| #7 | France | 1 | |
| #8 | United Kingdom | 1 | |
| #9 | Italy | 1 | |
| #10 | Japan | 1 | |
| #11 | Netherlands | 1 | |
| #12 | Sweden | 1 | |
| #13 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Transport |
| # | Technology | |
|---|---|---|
| #1 | Guiding railway traffic |
| # | Name | Total Patents |
|---|---|---|
| #1 | Larsson Bertil Ivar Torsten | 3 |
| #2 | Batsuteiru Ibuaaru Toshiyuten | 1 |
| #3 | Larsson Bertil Ivar | 1 |
| #4 | Larsson Bertil I T | 1 |
| #5 | Larsson B I T | 1 |
| #6 | Larson B I T | 1 |
| Publication | Filing date | Title |
|---|---|---|
| ES460818A1 | Change of roads for railway needles. (Machine-translation by Google Translate, not legally binding) | |
| NL7707384A | Driven railway sleeper points tongue - has two rail sections connected to free ends of one of two rails | |
| FI772003A | Spaorvaexel | |
| ATA458577A | Soft | |
| CA1074433A | Switch for rail points | |
| US4093163A | Switch for rail points |