Inventor · disambiguated record
Christof Haertl
Also filed as: HAERTL CHRISTOF
11 granted patents·999 citations·filing 1982–1996
94Inventor score
Technology areasH04R
Top patents by PatentIndex Score
11 records- 0197US5654530AAuditory canal insert for hearing aidsSIEMENS AUDIOLOGISCHE TECHNIK·Filed 1995·Granted Aug 5, 1997·387 cites·9 claims
- 0296US4987597AApparatus for closing openings of a hearing aid or an ear adaptor for hearing aidsSIEMENS AG·Filed 1988·Granted Jan 22, 1991·229 cites·4 claims
- 0383US4716985AIn-the-ear hearing aidSIEMENS AG·Filed 1987·Granted Jan 5, 1988·81 cites·17 claims
- 0480US5717771AProgrammable hearing aid means worn in the auditory canalSIEMENS AUDIOLOGISCHE TECHNIK·Filed 1996·Granted Feb 10, 1998·71 cites·19 claims
- 0574US4953215AArrangement to prevent the intrusion of foreign matter into an electro-acoustical transducerSIEMENS AG·Filed 1989·Granted Aug 28, 1990·53 cites·14 claims
- 0671US4834927AMethod and apparatus for producing an ear impressionSIEMENS AG·Filed 1987·Granted May 30, 1989·52 cites·10 claims
- 0762US4476353AHearing aid device to be worn in the earSIEMENS AG·Filed 1982·Granted Oct 9, 1984·28 cites·5 claims
- 0859US5188540AHearing aid having electrical contact means arranged in a battery compartmentSIEMENS AG·Filed 1992·Granted Feb 23, 1993·32 cites·8 claims
- 0956US4763752AMount for a sound transducer, particularly an earphoneSIEMENS AG·Filed 1987·Granted Aug 16, 1988·29 cites·9 claims
- 1052US5257315AHearing aid to be worn in the earSIEMENS AG·Filed 1992·Granted Oct 26, 1993·24 cites·11 claims
- 1139US4840249AApparatus for srewing a cover onto a screw neck of a hearing aidSIEMENS AG·Filed 1987·Granted Jun 20, 1989·13 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →