Inventor · disambiguated record

Donald E. Koehler

Also filed as: KOEHLER DONALD E

2 granted patents·11 citations·filing 1994–1998

55Inventor score

Technology areasC08F C10L

Files withPETROKLEEN LTD2

Top patents by PatentIndex Score

2 records

0141US5559270AMethod of synthesizing pure additives and the improved compositions thereby producedPETROKLEEN LTD·Filed 1994·Granted Sep 24, 1996·7 cites·13 claims
0229US5962738APolymeric-amine fuel and lubricant additivePETROKLEEN LTD·Filed 1998·Granted Oct 5, 1999·4 cites·17 claims

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →