| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Sweden | 6 | |
| #2 | Denmark | 3 | |
| #3 | EPO (European Patent Office) | 3 | |
| #4 | Finland | 3 | |
| #5 | Norway | 3 | |
| #6 | United States | 3 | |
| #7 | Australia | 2 | |
| #8 | Brazil | 2 | |
| #9 | Canada | 2 | |
| #10 | Spain | 2 | |
| #11 | WIPO (World Intellectual Property Organization) | 2 | |
| #12 | Italy | 1 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Measurement | |
| #3 | Civil engineering | |
| #4 | Agriculture |
| # | Technology | |
|---|---|---|
| #1 | Internal-combustion piston engines | |
| #2 | Cooling of machines | |
| #3 | Testing of structures | |
| #4 | Dredging | |
| #5 | Animal care |
| # | Name | Total Patents |
|---|---|---|
| #1 | Eriksson Ingemar | 29 |
| #2 | Lindberg Haakan | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US4667507A | Method and a device for testing the tightness of a combustion engine | |
| EP0156123A1 | A method and a device for testing the tightness of an engine | |
| SE8304152D0 | Two=part excavator arm | |
| EP0125242A1 | A digging appartus applicable to a bucket loader. |