| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Sweden | 13 | |
| #2 | Australia | 3 | |
| #3 | China | 3 | |
| #4 | France | 3 | |
| #5 | Brazil | 2 | |
| #6 | Canada | 2 | |
| #7 | EPO (European Patent Office) | 2 | |
| #8 | United States | 2 | |
| #9 | WIPO (World Intellectual Property Organization) | 2 | |
| #10 | Argentina | 1 | |
| #11 | German Democratic Republic | 1 | |
| #12 | Finland | 1 | |
| #13 | India | 1 | |
| #14 | Norway | 1 | |
| #15 | New Zealand | 1 | |
| #16 | Poland | 1 | |
| #17 | South Africa | 1 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Mechanical elements | |
| #3 | Machines | |
| #4 | Civil engineering | |
| #5 | Packaging and shipping | |
| #6 | Transport |
| # | Technology | |
|---|---|---|
| #1 | Gearing | |
| #2 | Machines | |
| #3 | Unspecified technologies | |
| #4 | General building constructions | |
| #5 | Structural elements | |
| #6 | Internal-combustion piston engines | |
| #7 | Winches | |
| #8 | Handling thin material | |
| #9 | Steam engine plants | |
| #10 | Motor vehicles |
| # | Name | Total Patents |
|---|---|---|
| #1 | Karlsson Hans | 34 |
| #2 | Kalsson Hans | 1 |
| #3 | Hans Karlsson | 1 |
| Publication | Filing date | Title |
|---|---|---|
| AU9658798A | A two-stroke engine | |
| CA2189655A1 | An isolated log element | |
| WO9530807A1 | An isolated log element | |
| SE9401691D0 | Drive unit for converting reciprocation movement to rotation movement | |
| US5273011A | Arrangement for converting linear motion from a power source to a rotary motion | |
| SE8702622D0 | Device converting linear movement to rotary | |
| SE8702623D0 | Engine power-transmission unit moving linearly backwards and forwards |