Inventor · disambiguated record
David J. Zalewski
Also filed as: ZALEWSKI DAVID J
6 granted patents·1 pending application·71 citations·filing 1998–2021
84Inventor score
Files withBECHTEL BWXT IDAHO LLC2MARATHON ASHLAND PETROLEUM LLC2MARATHON PETROLEUM CO LP2MARATHON PETROLEUM COMPANY LLC1
Top patents by PatentIndex Score
7 records- 0191US11975316B2Methods and reforming systems for re-dispersing platinum on reforming catalystMARATHON PETROLEUM CO LP·Filed 2020·Granted May 7, 2024·15 cites·20 claims
- 0281US6579821B1Method for reactivating solid catalysts used in alkylation reactionsBECHTEL BWXT IDAHO LLC·Filed 2000·Granted Jun 17, 2003·20 cites·4 claims
- 0374US6270657B1Asphalt blend compositions containing used motor oil and asphalt pavement compositions containing said asphalt blend compositionsMARATHON ASHLAND PETROLEUM LLC·Filed 2000·Granted Aug 7, 2001·8 cites·10 claims
- 0468US6068759AProcess for recovering lube oil base stocks from used motor oil formulations, asphalt blend compositions containing used motor oil bottoms from said process, and asphalt pavement compositions containing said asphalt blend compositionsMARATHON ASHLAND PETROLEUM LLC·Filed 1998·Granted May 30, 2000·21 cites·12 claims
- 0563US7763164B1Gasoline sulfur reduction in FCCU crackingMARATHON PETROLEUM COMPANY LLC·Filed 2007·Granted Jul 27, 2010·3 cites·22 claims
- 0663US2022048019A1Methods and reforming systems for re-dispersing platinum on reforming catalystMARATHON PETROLEUM CO LP·Filed 2021·Application pending·0 cites
- 0762US6887813B2Method for reactivating solid catalysts used in alkylation reactionsBECHTEL BWXT IDAHO LLC·Filed 2003·Granted May 3, 2005·4 cites·69 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →