Hannes LEHDORFER

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Patents Grantslast 30 patents

Information Patent Grant
Plug earphone or a concha earphone
- Patent number 9,456,269
- Issue date Sep 27, 2016
- AKG Acoustics GmbH
- Michael Perkmann
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
In-ear earphone
- Patent number 8,311,259
- Issue date Nov 13, 2012
- AKG Acoustics GmbH
- Bernhard Pinter
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
In-ear earphone
- Patent number 8,280,094
- Issue date Oct 2, 2012
- AKG Acoustics GmbH
- Hannes Lehdorfer
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Electroacoustic transducer
- Patent number 6,639,991
- Issue date Oct 28, 2003
- AKG Acoustics GmbH
- Hannes Lehdorfer
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
PLUG EARPHONE OR A CONCHA EARPHONE
- Publication number 20140355810
- Publication date Dec 4, 2014
- AKG Acoustics GmbH
- Michael PERKMANN
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
EARPHONE WITH ACTIVE SUPPRESSION OF AMBIENT NOISE
- Publication number 20130315414
- Publication date Nov 28, 2013
- Richard Pribyl
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
In-Ear Earphone
- Publication number 20110051981
- Publication date Mar 3, 2011
- AKG Acoustics GmbH
- Hannes Lehdorfer
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
IN-EAR EARPHONE
- Publication number 20090232341
- Publication date Sep 17, 2009
- Bernhard Pinter
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Electroacoustic transducer
- Publication number 20020027998
- Publication date Mar 7, 2002
- Hannes Lehdorfer
- H04 - ELECTRIC COMMUNICATION TECHNIQUE