| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 10 | |
| #2 | WIPO (World Intellectual Property Organization) | 2 | |
| #3 | Australia | 1 | |
| #4 | Brazil | 1 | |
| #5 | Canada | 1 | |
| #6 | EPO (European Patent Office) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Audio-visual technology | |
| #2 | Measurement | |
| #3 | Medical technology | |
| #4 | Machines | |
| #5 | Machine tools | |
| #6 | Consumer goods |
| # | Technology | |
|---|---|---|
| #1 | Loudspeakers and microphones | |
| #2 | Implantable devices | |
| #3 | Unspecified technologies | |
| #4 | Testing of structures | |
| #5 | Analysing materials | |
| #6 | Unspecified technologies | |
| #7 | Thread cutting | |
| #8 | Sound-producing devices |
| # | Name | Total Patents |
|---|---|---|
| #1 | Adelman Roger A | 16 |
| #2 | Corelli David A | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2014146995A1 | Acoustic transducer | |
| US2010220889A1 | Acoustic transducer | |
| US2009161906A1 | Transducer with variable compliance | |
| US2006139153A1 | Efficiency audible alarm | |
| CA2100773A1 | Hearing apparatus | |
| US4682490A | Impact test instrument | |
| US4637402A | Method for quantitatively measuring a hearing defect | |
| US4419544A | Signal processing apparatus | |
| US4366349A | Generalized signal processing hearing aid | |
| US3162872A | Automatic oiler for manufaclly actuated pipe threading tool |