| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 9 | |
| #2 | Sweden | 6 | |
| #3 | Australia | 2 | |
| #4 | Canada | 1 | |
| #5 | EPO (European Patent Office) | 1 | |
| #6 | Poland | 1 | |
| #7 | Taiwan | 1 | |
| #8 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Medical technology | |
| #2 | Audio-visual technology | |
| #3 | Machines | |
| #4 | Basic communication technologies | |
| #5 | Packaging and shipping | |
| #6 | Mechanical elements | |
| #7 | Consumer goods |
| # | Technology | |
|---|---|---|
| #1 | Implantable devices | |
| #2 | Loudspeakers and microphones | |
| #3 | Shaping of plastics | |
| #4 | Containers for goods storage | |
| #5 | Amplifiers | |
| #6 | Shafts | |
| #7 | Travel equipment | |
| #8 | Unspecified technologies | |
| #9 | Amplification control |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hiselius Per | 6 |
| #2 | Haakansson Joergen | 4 |
| #3 | Hakansson Jorgen | 4 |
| #4 | Andersson Lars-Gunnar Lennart | 3 |
| #5 | Nilsson Lars | 2 |
| #6 | Persson Marie | 2 |
| #7 | Haakansson Hans Peter Joergen | 2 |
| #8 | Koerner Peter | 2 |
| #9 | Berg Bengt Goeran | 1 |
| #10 | Hiselius Per Olof | 1 |
| Publication | Filing date | Title |
|---|---|---|
| AU4698401A | Earplug | |
| US6427800B1 | Ear plug and method of manufacturing an ear plug | |
| TW374016B | Earplug and method for manufacturing an integrated earplug | |
| US6123168A | Banded hearing protector | |
| US6104818A | Microphone circuit | |
| US5806678A | Box for earplugs | |
| SE9601167L | Sound level limitation circuit |