Gerhard Ach-Kowalewski

Follow

Person

Effeltrich, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Pocket hearing aid
- Patent number 7,372,970
- Issue date May 13, 2008
- Siemens Audiologische Technik GmbH
- Gerhard Ach-Kowalewski
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Ear insert for hearing aids
- Patent number 7,372,972
- Issue date May 13, 2008
- Siemens Audiologische Technik GmbH
- Gerhard Ach-Kowalewski
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Hearing device system with behind-the-ear hearing aid devices fashi...
- Patent number 7,013,014
- Issue date Mar 14, 2006
- Siemens Audiologische Technik GmbH
- Gerhard Ach-Kowalewski
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Hearing aid permitting simultaneous programming and adjustment with...
- Patent number 6,044,164
- Issue date Mar 28, 2000
- Siemens Audiologische Technik GmbH
- Gerhard Ach-Kowalewski
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Hearing apparatus with an open-porous cerumen protection facility
- Publication number 20070223759
- Publication date Sep 27, 2007
- Siemens Audiologische Technik GmbH
- Gerhard Ach-Kowalewski
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Measuring system for standardized testing of hearing aids
- Publication number 20060233386
- Publication date Oct 19, 2006
- Siemens Audiologische Technik GmbH
- Gerhard Ach-Kowalewski
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Pocket hearing aid
- Publication number 20050190937
- Publication date Sep 1, 2005
- Siemens Audiologische Technik GmbH
- Gerhard Ach-Kowalewski
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Ear insert for hearing aids
- Publication number 20050190940
- Publication date Sep 1, 2005
- Siemens Audiologische Technik GmbH
- Gerhard Ach-Kowalewski
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Hearing device system with behind-the-ear hearing aid devices fashi...
- Publication number 20040184630
- Publication date Sep 23, 2004
- Gerhard Ach-Kowalewski
- H04 - ELECTRIC COMMUNICATION TECHNIQUE