| # | Country | Total Patents | |
|---|---|---|---|
| #1 | EPO (European Patent Office) | 17 | |
| #2 | WIPO (World Intellectual Property Organization) | 14 | |
| #3 | China | 13 | |
| #4 | United Kingdom | 13 | |
| #5 | Taiwan | 6 | |
| #6 | United States | 4 | |
| #7 | Hong Kong | 3 | |
| #8 | Norway | 3 | |
| #9 | Australia | 2 | |
| #10 | Canada | 2 | |
| #11 | Brazil | 1 | |
| #12 | Japan | 1 |
| # | Industry | |
|---|---|---|
| #1 | Audio-visual technology | |
| #2 | Machine tools | |
| #3 | Consumer goods |
| # | Technology | |
|---|---|---|
| #1 | Loudspeakers and microphones | |
| #2 | Casings and printed circuits | |
| #3 | Hand-held cutting tools | |
| #4 | Sound-producing devices | |
| #5 | Stereophonic systems |
| # | Name | Total Patents |
|---|---|---|
| #1 | Dodd Mark | 20 |
| #2 | Oclee-Brown Jack | 18 |
| #3 | Oclee-Brown Jack Anthony | 18 |
| #4 | Dodd Mark Alexander | 11 |
| #5 | Davidson Julia | 8 |
| #6 | Li Yiu Cheung Brian | 5 |
| #7 | Halsall Steven | 5 |
| #8 | Halsall Stephen | 3 |
| #9 | Jack Oclee-Brown | 3 |
| #10 | Perkins George | 2 |
| Publication | Filing date | Title |
|---|---|---|
| GB201702849D0 | Loudspeaker driver surround | |
| CN105122838A | Electro acoustic diaphragm | |
| GB201402581D0 | Loudspeaker bass reflex system | |
| GB201309619D0 | Electro-acoustic diaphragm | |
| GB201303516D0 | Acoustic phase plug | |
| GB201303514D0 | Electro-Acoustic diaphragm | |
| GB201108333D0 | Loudspeaker | |
| GB201103525D0 | Bass reflex loudspeaker has acoustic leakage in walls of port duct | |
| GB201008299D0 | Loudspeaker | |
| GB201001350D0 | Loudspeaker system | |
| GB0918851D0 | Loudspeakers | |
| GB0908542D0 | Cone loudspeaker | |
| GB0805631D0 | Loudspeaker chassis | |
| GB0401387D0 | Loudspeaker assembly |