| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Machines | |
| #3 | Basic materials chemistry | |
| #4 | Mechanical elements | |
| #5 | Consumer goods |
| # | Technology | |
|---|---|---|
| #1 | Wood saws | |
| #2 | Sawing | |
| #3 | Unspecified technologies | |
| #4 | Smoking accessories | |
| #5 | Belts or cables for driving | |
| #6 | Producer gas production |
| # | Name | Total Patents |
|---|---|---|
| #1 | Ohlsson Olof Axel | 11 |
| #2 | Olof Axel Ohlsson | 4 |
| #3 | Axel Ohlsson Olof | 3 |
| #4 | Ohlsson O | 1 |
| Publication | Filing date | Title |
|---|---|---|
| CA368883A | Furnace combustion arrangement | |
| CA402152A | Combustion device |