| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 7 | |
| #2 | WIPO (World Intellectual Property Organization) | 4 | |
| #3 | Argentina | 1 | |
| #4 | Australia | 1 | |
| #5 | Canada | 1 | |
| #6 | Chile | 1 | |
| #7 | Colombia | 1 | |
| #8 | EPO (European Patent Office) | 1 | |
| #9 | Israel | 1 | |
| #10 | Republic of Korea | 1 | |
| #11 | Mexico | 1 | |
| #12 | Peru | 1 | |
| #13 | Philippines | 1 | |
| #14 | Taiwan | 1 | |
| #15 | South Africa | 1 |
| # | Industry | |
|---|---|---|
| #1 | Audio-visual technology | |
| #2 | Computer technology | |
| #3 | Electrical machinery and energy |
| # | Technology | |
|---|---|---|
| #1 | Loudspeakers and microphones | |
| #2 | Electric digital data processing | |
| #3 | Electrically-conductive connections |
| # | Name | Total Patents |
|---|---|---|
| #1 | Palmer Michael | 12 |
| #2 | Palmer David | 11 |
| #3 | Palmer David John | 10 |
| #4 | Palmer Michael Ian | 10 |
| #5 | Hardy Christopher Marck | 4 |
| #6 | Palmer David C | 1 |
| #7 | David Palmer | 1 |
| #8 | Michael Palmer | 1 |
| Publication | Filing date | Title |
|---|---|---|
| WO2020035812A1 | Systems methods and devices relating to audio transducers | |
| US2020019219A1 | Systems methods and devices relating to hinges and audio transducers | |
| WO2018167538A1 | Improvements in or relating to audio systems | |
| EP3351017A1 | Improvements in or relating to audio transducers |