| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Sweden | 5 | |
| #2 | United States | 3 | |
| #3 | Germany | 2 | |
| #4 | Japan | 2 | |
| #5 | France | 1 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Machines |
| # | Name | Total Patents |
|---|---|---|
| #1 | Weidlich Franz | 9 |
| #2 | Furantsu Ueidoritsuhi | 2 |
| Publication | Filing date | Title |
|---|---|---|
| JPS5224623A | Carburetor for internal combustion engine | |
| US4041837A | Induction and exhaust apparatus for piston machines | |
| US4044081A | Device in carburettors, particularly for internal combustion engines |