Inventor
Christof Haertl
Inventor
Neunkirchen, DE
Overview
Patents· 11 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Rprimary
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers73%
B25BTools or bench devices not otherwise provided for, for fastening, connecting, disengaging, or holding7%
H01HElectric switches7%
H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy7%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution7%
PatentTitleYear
5,717,771'Programmable hearing aid means worn in the auditory canal'19985,654,530'Auditory canal insert for hearing aids'19975,257,315'Hearing aid to be worn in the ear'19935,188,540'Hearing aid having electrical contact means arranged in a battery compartment'19934,987,597'Apparatus for closing openings of a hearing aid or an ear adaptor for hearing aids'19914,953,215'Arrangement to prevent the intrusion of foreign matter into an electro-acoustical transducer'19904,840,249'Apparatus for srewing a cover onto a screw neck of a hearing aid'19894,834,927'Method and apparatus for producing an ear impression'19894,763,752'Mount for a sound transducer, particularly an earphone'19884,716,985'In-the-ear hearing aid'19884,476,353'Hearing aid device to be worn in the ear'1984Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1984–1993Patents assigned to SIEMENS AG (9)· patent assignee history
1984Based in Neunkirchen am Brand, DE· patent location history
1988–1998Based in Neunkirchen, DE· patent location history
1997–1998Patents assigned to SIEMENS AUDIOLOGISCHE TECHNIK (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SIEMENS AG | 9 | 1984–1993 |
| SIEMENS AUDIOLOGISCHE TECHNIK | 2 | 1997–1998 |
Locations
| Location | Patents | Span |
|---|---|---|
| Neunkirchen, DE | 10 | 1988–1998 |
| Neunkirchen am Brand, DE | 1 | 1984 |