Inventor · disambiguated record
Helmut Sperling
Also filed as: SPERLING HELMUT
1 granted patent·1 pending application·18 citations·filing 1995–2003
39Inventor score
Top patents by PatentIndex Score
2 records- 0150US5605128AMethod and arrangement for idle adjustment of an internal combustion engineBOSCH GMBH ROBERT·Filed 1995·Granted Feb 25, 1997·18 cites·11 claims
- 0235US2005262830A1Internal combustion engine installation comprising a direct-injection otto engine and a catalyst systemVOLKSWAGEN AG·Filed 2003·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →