| # | Industry | |
|---|---|---|
| #1 | Thermal processes | |
| #2 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Heat-exchanger without contact | |
| #2 | Gearing |
| # | Name | Total Patents |
|---|---|---|
| #1 | Ljunstrom Fredrik | 4 |
| #2 | Ljungstrom Fredrik | 3 |
| #3 | Broberg Isidor | 2 |
| #4 | Broberg Isodor | 1 |
| #5 | Ljungstrom Frederik | 1 |
| #6 | Ljunstrom Birger | 1 |
| #7 | Lysholm Alf | 1 |
| #8 | Ljungrom Fredrik | 1 |
| #9 | Anderson Nils Fredrik Fileman | 1 |
| #10 | Ljungstrom Frederick | 1 |
| Publication | Filing date | Title |
|---|---|---|
| CA146946A | Steam turbine mechanism | |
| CA243471A | Locomotive | |
| CA218058A | Reversing device in toothed gearing | |
| CA229371A | Coal bunker for locomotives | |
| CA228116A | Locomotive | |
| CA247300A | Boiler plant | |
| CA231710A | Air-cooled condenser | |
| CA238526A | Turbine plant provided with toothed gearings | |
| CA206723A | Damper for locomotive air condensers | |
| CA203561A | Lubrication system for locomotives | |
| CA217797A | Locomotive condenser | |
| CA228325A | Manufacture of ribs on plates | |
| CA216999A | Air pump for condensers |