Inventor · disambiguated record
Donald R. Krull
Also filed as: KRULL DONALD R
3 granted patents·31 citations·filing 1995–2014
65Inventor score
Top patents by PatentIndex Score
3 records- 0166US5590629ASpark ignition system of an internal combustion engineCATERPILLAR INC·Filed 1995·Granted Jan 7, 1997·24 cites·11 claims
- 0236US10101579B2Lens cover for an optical instrumentKRULL DONALD R·Filed 2014·Granted Oct 16, 2018·0 cites·14 claims
- 0335US6194819B1Spark plug with lower operating temperatureCATERPILLAR INC·Filed 1998·Granted Feb 27, 2001·7 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →