Engbert Wilmink
13Patents
4h-index
10Co-inventors
57Inventor score
Filing activity: Apr 3, 1997 → Jan 14, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7706561B2 | Electroacoustic transducer with a diaphragm and method for fixing a diaphragm in such transducer | Electricity | 82 | Active |
| US6078677A | Electroacoustic transducer with improved diaphragm attachment | Electricity | 45 | Expired |
| US7783056B2 | Earplug | Human Necessities | 26 | Active |
| US6084972A | Integrated microphone/amplifier unit, and amplifier module therefor | Electricity | 20 | Expired |
| US6950529B2 | System consisting of a microphone and an amplifier | Electricity | 4 | Expired |
| US8155338B2 | Earplug for insertion into an auditory duct | Electricity | 2 | Active |
| US9930454B2 | Method and system for testing a mould shape quality of a user-customized ear mould | Electricity | 1 | Active |
| US8689931B2 | Ear protector with a sound damping filter, sound damping filter for such an ear protector as well as method for manufacturing a sound damping filter for such an ear protector | Human Necessities | 1 | Active |
| US11463803B2 | Acoustic device with deformable shape as valve | Electricity | 1 | Active |
| US11266532B2 | Acoustic filter with attenuation control | Electricity | 1 | Active |
| US11273076B2 | Acoustic valve and ear plug for hearing protection | Human Necessities | 0 | Active |
| US11804205B2 | Acoustic filter and method of manufacturing | Performing Operations; Transporting | 0 | Active |
| US11438709B2 | Acoustic filter with enhanced valve stroke | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.