| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Denmark | 3 | |
| #2 | WIPO (World Intellectual Property Organization) | 3 | |
| #3 | Australia | 2 | |
| #4 | Germany | 2 | |
| #5 | United Kingdom | 2 | |
| #6 | Austria | 1 | |
| #7 | Canada | 1 | |
| #8 | Switzerland | 1 | |
| #9 | China | 1 | |
| #10 | EPO (European Patent Office) | 1 | |
| #11 | Spain | 1 | |
| #12 | Finland | 1 | |
| #13 | France | 1 | |
| #14 | Ireland | 1 | |
| #15 | Italy | 1 | |
| #16 | Japan | 1 | |
| #17 | Netherlands | 1 | |
| #18 | Norway | 1 | |
| #19 | Sweden | 1 | |
| #20 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy | |
| #2 | Audio-visual technology | |
| #3 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Magnets and transformers | |
| #2 | Loudspeakers and microphones | |
| #3 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Goller Lars | 8 |
| #2 | Hvass Mogens | 6 |
| #3 | Nielsen Soeren Steen | 3 |
| #4 | Joergensen Birger | 1 |
| #5 | Moogensu Fubaasu | 1 |
| #6 | Hvass M | 1 |
| Publication | Filing date | Title |
|---|---|---|
| WO2009129815A1 | Dual cone and multi cone assembly of a membrane | |
| CN101911727A | A magnet assembly for a loudspeaker | |
| US5815587A | Loudspeaker with short circuit rings at the voice coil | |
| DK70093D0 | Speaker and membraneous together | |
| DK54093D0 | Speaker | |
| GB1514458A | Method and an apparatus for producing compact electric coils |