Christian FREI-KRUMME

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Stafa, CH

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Patents Grantslast 30 patents

Information Patent Grant
Custom hearing device equipped with optical sensors for biometrical...
- Patent number 12,063,478
- Issue date Aug 13, 2024
- SONOVA AG
- Konstantin Silberzahn
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Hearing device comprising a vent and an acoustic valve
- Patent number 11,792,564
- Issue date Oct 17, 2023
- SONOVA AG
- Erwin Kuipers
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Hearing device with optical sensor at spout
- Patent number 11,647,950
- Issue date May 16, 2023
- SONOVA AG
- Hans-Ueli Roeck
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Method of fitting a hearing instrument, and impression tool
- Patent number 9,654,884
- Issue date May 16, 2017
- SONOVA AG
- Roland Hug
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Hearing Device Comprising a Vent and an Acoustic Valve
- Publication number 20220256280
- Publication date Aug 11, 2022
- Erwin Kuipers
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
CUSTOM HEARING DEVICE EQUIPPED WITH OPTICAL SENSORS FOR BIOMETRICAL...
- Publication number 20220174432
- Publication date Jun 2, 2022
- Sonova AG
- Konstantin Silberzahn
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
HEARING DEVICE WITH OPTICAL SENSOR AT SPOUT
- Publication number 20210298670
- Publication date Sep 30, 2021
- Sonova AG
- Hans-Ueli Roeck
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
METHOD OF FITTING A HEARING INSTRUMENT, AND IMPRESSION TOOL
- Publication number 20160112814
- Publication date Apr 21, 2016
- Sonova AG
- Roland Hug
- H04 - ELECTRIC COMMUNICATION TECHNIQUE