Inventor · disambiguated record
Bernhard Piepenbreier
Also filed as: PIEPENBREIER BERNHARD
3 granted patents·1 pending application·47 citations·filing 1989–2001
68Inventor score
Files withSIEMENS AG4
Top patents by PatentIndex Score
4 records- 0173US5034675APolyphase machine fed by a pulse-controlled a.c. converterSIEMENS AG·Filed 1990·Granted Jul 23, 1991·41 cites·2 claims
- 0231US2001021116A1Converter motor with an energy recovery capabilitySIEMENS AG·Filed 2001·Application pending·0 cites
- 0328US4890181AShort-circuit protection device for an electrical machine fed by a pulse-controlled A.C. converterSIEMENS AG·Filed 1989·Granted Dec 26, 1989·5 cites·2 claims
- 0425US4906911AElectrical machine driven by a pulse-controlled a.c. converterSIEMENS AG·Filed 1989·Granted Mar 6, 1990·1 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →