Inventor · disambiguated record
Franz Hackl
Also filed as: HACKL FRANZ
7 granted patents·126 citations·filing 1987–2006
84Inventor score
Top patents by PatentIndex Score
7 records- 0176US6370682B1System and method for developing reusable flexible and platform independent software using componentsSIEMENS AG·Filed 1999·Granted Apr 9, 2002·83 cites·19 claims
- 0268US5847300AMouthpiece system for a trumpet or other brass instrumentsFiled 1997·Granted Dec 8, 1998·22 cites·17 claims
- 0366US7899035B2Communication structure for solar invertersSIEMENS AG OESTERREICH·Filed 2006·Granted Mar 1, 2011·7 cites·14 claims
- 0446US4845413ADevice for controlling the field current of DC motorsSIEMENS AG·Filed 1988·Granted Jul 4, 1989·11 cites·2 claims
- 0537US7583047B2Quenching device for a converter bridge with line regenerationSIEMENS AG OESTERREICH·Filed 2005·Granted Sep 1, 2009·1 cites·9 claims
- 0636US7443129B2Quenching device for a converter bridge with line regenerationSIEMENS OESTERREICH·Filed 2005·Granted Oct 28, 2008·2 cites·18 claims
- 0726US4810955AMeasuring apparatus for determining the countervoltage of electric motorsSIEMENS AG·Filed 1987·Granted Mar 7, 1989·0 cites·1 claims
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