| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Australia | 3 | |
| #2 | Brazil | 3 | |
| #3 | Canada | 3 | |
| #4 | Finland | 3 | |
| #5 | Norway | 3 | |
| #6 | United States | 3 | |
| #7 | WIPO (World Intellectual Property Organization) | 3 | |
| #8 | Denmark | 2 | |
| #9 | EPO (European Patent Office) | 2 | |
| #10 | Spain | 1 | |
| #11 | Sweden | 1 | |
| #12 | South Africa | 1 |
| # | Industry | |
|---|---|---|
| #1 | Control | |
| #2 | Measurement | |
| #3 | Civil engineering | |
| #4 | Telecommunications | |
| #5 | Computer technology |
| # | Technology | |
|---|---|---|
| #1 | Alarm systems | |
| #2 | Geophysics | |
| #3 | Locks | |
| #4 | Antennas | |
| #5 | Data recognition and presentation |
| # | Name | Total Patents |
|---|---|---|
| #1 | Asbrink Leif | 22 |
| #2 | Graflind Ulf | 8 |
| #3 | Aosbrink Leif | 2 |
| #4 | Sbrink Leif | 1 |
| #5 | Aasbrink Leif | 1 |
| #6 | Aasbrink L | 1 |
| Publication | Filing date | Title |
|---|---|---|
| AU6897487A | Alarm tag | |
| BR8705388A | Receiving device to detect the presence of an indicator device in a restricted research area | |
| CA1278352C | Receiving device | |
| ZA8500897B | Method and system for detecting an indicating device | |
| US4704602A | Method and system for detecting an indicating device |