| # | Country | Total Patents | |
|---|---|---|---|
| #1 | China | 11 | |
| #2 | WIPO (World Intellectual Property Organization) | 10 | |
| #3 | Canada | 9 | |
| #4 | Australia | 8 | |
| #5 | Brazil | 8 | |
| #6 | Norway | 7 | |
| #7 | New Zealand | 7 | |
| #8 | Poland | 7 | |
| #9 | Mexico | 6 | |
| #10 | United States | 5 | |
| #11 | EAPO (Eurasian Patent Organization) | 3 | |
| #12 | EPO (European Patent Office) | 3 | |
| #13 | African Regional Industrial Property Organization | 2 | |
| #14 | Bulgaria | 1 | |
| #15 | Estonia | 1 | |
| #16 | Finland | 1 | |
| #17 | Hungary | 1 | |
| #18 | Israel | 1 | |
| #19 | Republic of Korea | 1 | |
| #20 | African Intellectual Property Organization | 1 | |
| #21 | Slovakia | 1 | |
| #22 | Yugoslavia (Serbia and Montenegro) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Medical technology | |
| #2 | Measurement | |
| #3 | Consumer goods | |
| #4 | Audio-visual technology | |
| #5 | Machines |
| # | Name | Total Patents |
|---|---|---|
| #1 | Orten Birger | 87 |
| #2 | Birger Orten | 5 |
| #3 | Birger O | 1 |
| Publication | Filing date | Title |
|---|---|---|
| CN1628485A | Microphone equipped with a range finder | |
| BR0114989A | Medicinal plaster | |
| WO0201167A1 | A mechano-electrical sensor for sensing force or vibration | |
| AU9338301A | Electronic auscultation kit | |
| NZ523691A | Two-way mechano-electrical transducer | |
| US6485408B2 | Erection aid | |
| NZ512345A | Sound pickup sensor for electronic stethoscope | |
| AU7684396A | Pick-up head for an electronic stethoscope | |
| PL321787A1 | Auscultation device |