Inventor · disambiguated record
Gerhard Ach-Kowalewski
Also filed as: ACH-KOWALEWSKI GERHARD
4 granted patents·2 pending applications·59 citations·filing 1997–2007
77Inventor score
Technology areasH04R
Files withSIEMENS AUDIOLOGISCHE TECHNIK6
Top patents by PatentIndex Score
6 records- 0178US7372972B2Ear insert for hearing aidsSIEMENS AUDIOLOGISCHE TECHNIK·Filed 2005·Granted May 13, 2008·9 cites·8 claims
- 0274US7372970B2Pocket hearing aidSIEMENS AUDIOLOGISCHE TECHNIK·Filed 2005·Granted May 13, 2008·8 cites·10 claims
- 0372US7013014B2Hearing device system with behind-the-ear hearing aid devices fashioned side-specificSIEMENS AUDIOLOGISCHE TECHNIK·Filed 2003·Granted Mar 14, 2006·17 cites·10 claims
- 0450US6044164AHearing aid permitting simultaneous programming and adjustment with a single plugSIEMENS AUDIOLOGISCHE TECHNIK·Filed 1997·Granted Mar 28, 2000·25 cites·2 claims
- 0544US2007223759A1Hearing apparatus with an open-porous cerumen protection facilitySIEMENS AUDIOLOGISCHE TECHNIK·Filed 2007·Application pending·0 cites
- 0643US2006233386A1Measuring system for standardized testing of hearing aidsSIEMENS AUDIOLOGISCHE TECHNIK·Filed 2006·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Gerhard Ach-Kowalewski files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →