| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Sweden | 5 | |
| #2 | United Kingdom | 4 | |
| #3 | France | 3 | |
| #4 | Norway | 3 | |
| #5 | Germany | 1 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Cylinders for combustion engines | |
| #2 | Shafts | |
| #3 | Cyclically operating valves | |
| #4 | Internal-combustion piston engines | |
| #5 | Lubricating of machines | |
| #6 | Cooling of machines |
| # | Name | Total Patents |
|---|---|---|
| #1 | Aberg H | 3 |
| #2 | Hellstroem A | 2 |
| #3 | Selestam K | 2 |
| #4 | Krabberoed H | 2 |
| #5 | Krabberoed Halvard | 1 |
| #6 | Norgren B | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB1224673A | An improved frame for a v-type internal combustion engine | |
| GB1224706A | Improvements in internal combustion engines | |
| GB1207298A | An improved connecting rod for a trunk piston engine | |
| GB1215846A | Improved reversing means for four-stroke internal combustion engines |