Inventor · disambiguated record
Heinz-Dieter Hellmann
Also filed as: HELLMANN HEINZ-DIETER
4 granted patents·74 citations·filing 1981–2003
75Inventor score
Top patents by PatentIndex Score
4 records- 0184US4383800ACentrifugal pump with open double volute casingKLEIN SCHANZLIN & BECKER AG·Filed 1981·Granted May 17, 1983·53 cites·12 claims
- 0258US4406583ACentrifugal pump with double volute casingKLEIN SCHANZLIN & BECKER AG·Filed 1981·Granted Sep 27, 1983·18 cites·15 claims
- 0335US6877947B2Method and apparatus for early fault detection in centrifugal pumpsKSB AG·Filed 2003·Granted Apr 12, 2005·1 cites·11 claims
- 0429US4491026ALiquid flow meterBOSCH GMBH ROBERT·Filed 1982·Granted Jan 1, 1985·2 cites·20 claims
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