Earplug
US12245917B2 · kind B2 · utility
0Cited by
10References
17Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 7, 2017 |
| Grant date | Mar 11, 2025 |
| Priority date | — |
| Expiry date | May 6, 2038 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB63C11/26
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Devices, apparatus, systems and methods to regulate pressure in earplug are disclosed. Some embodiments provide auditory attenuation and others may further include communications capability. The devices and apparatus are well-suited for use by divers and pilots in particular.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.