Christof Haertl

Person

Neunkirchen, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Programmable hearing aid means worn in the auditory canal
- Patent number 5,717,771
- Issue date Feb 10, 1998
- Siemens Audiologische Technik GmbH
- Joseph Sauer
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Auditory canal insert for hearing aids
- Patent number 5,654,530
- Issue date Aug 5, 1997
- Siemens Audiologische Technik GmbH
- Joseph Sauer
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Hearing aid to be worn in the ear
- Patent number 5,257,315
- Issue date Oct 26, 1993
- Siemens Aktiengesellschaft
- Christof Haertl
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Hearing aid having electrical contact means arranged in a battery c...
- Patent number 5,188,540
- Issue date Feb 23, 1993
- Siemens Aktiengesellschaft
- Christof Haertl
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Apparatus for closing openings of a hearing aid or an ear adaptor f...
- Patent number 4,987,597
- Issue date Jan 22, 1991
- Siemens Aktiengesellschaft
- Christof Haertl
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Arrangement to prevent the intrusion of foreign matter into an elec...
- Patent number 4,953,215
- Issue date Aug 28, 1990
- Siemens Aktiengesellschaft
- Hans-Joachim Weiss
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Apparatus for srewing a cover onto a screw neck of a hearing aid
- Patent number 4,840,249
- Issue date Jun 20, 1989
- Siemens Aktiengesellschaft
- Ulrich Birkholz
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Method and apparatus for producing an ear impression
- Patent number 4,834,927
- Issue date May 30, 1989
- Siemens Aktiengesellschaft
- Ulrich Birkholz
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Mount for a sound transducer, particularly an earphone
- Patent number 4,763,752
- Issue date Aug 16, 1988
- Siemens Aktiengesellschaft
- Christof Haertl
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
In-the-ear hearing aid
- Patent number 4,716,985
- Issue date Jan 5, 1988
- Siemens Aktiengesellschaft
- Christof Haertl
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Hearing aid device to be worn in the ear
- Patent number 4,476,353
- Issue date Oct 9, 1984
- Siemens Aktiengesellschaft
- Christof Haertl
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Christof Haertl

Person

Patents Grantslast 30 patents

Programmable hearing aid means worn in the auditory canal

Auditory canal insert for hearing aids

Hearing aid to be worn in the ear

Hearing aid having electrical contact means arranged in a battery c...

Apparatus for closing openings of a hearing aid or an ear adaptor f...

Arrangement to prevent the intrusion of foreign matter into an elec...

Apparatus for srewing a cover onto a screw neck of a hearing aid

Method and apparatus for producing an ear impression

Mount for a sound transducer, particularly an earphone

In-the-ear hearing aid

Hearing aid device to be worn in the ear