Kornelia Kaddig

Follow

Person

Wietze, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Electrodynamic sound transducer
- Patent number 10,721,567
- Issue date Jul 21, 2020
- Sennheiser electronic GmbH & Co. KG
- Markus Kuhr
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Headphone
- Patent number 10,477,293
- Issue date Nov 12, 2019
- Sennheiser electronic GmbH & Co. KG
- Axel Grell
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Headphone
- Patent number 9,930,439
- Issue date Mar 27, 2018
- Sennheiser electronic GmbH & Co. KG
- Olav Nisse
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Earphone and headset
- Patent number 8,755,554
- Issue date Jun 17, 2014
- Sennheiser electronc GmbH & Co. KG
- Jan Peter Kuhtz
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Closed headphones with transducer system
- Patent number 6,934,401
- Issue date Aug 23, 2005
- Sennheiser electronics GmbH & Co. KG
- Axel Grell
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Electrodynamic Sound Transducer
- Publication number 20180332401
- Publication date Nov 15, 2018
- SENNHEISER ELECTRONIC GMBH & CO. KG
- Markus KUHR
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Headphone
- Publication number 20180249237
- Publication date Aug 30, 2018
- SENNHEISER ELECTRONIC GMBH & CO. KG
- Axel Grell
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Headphone
- Publication number 20160323663
- Publication date Nov 3, 2016
- SENNHEISER ELECTRONIC GMBH & CO. KG
- Olav Nisse
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Closed headphones with transducer system
- Publication number 20030039375
- Publication date Feb 27, 2003
- Sennheiser Electronic GmbH & Co. KG
- Axel Grell
- H04 - ELECTRIC COMMUNICATION TECHNIQUE