Inventor · disambiguated record
Michael D. Ackerson
Also filed as: ACKERSON MICHAEL D
33 granted patents·2 pending applications·636 citations·filing 1991–2025
97Inventor score
Files withDUKE TECH LLC19PROCESS DYNAMICS INC6ACKERSON MICHAEL D3UNIV ARKANSAS3P D TECH DEVELOPMENT LLC2
Top patents by PatentIndex Score
35 records- 0198US10981142B2Hydroprocessing reactor to lower pressure drop and extend catalyst lifeDUKE TECH LLC·Filed 2020·Granted Apr 20, 2021·8 cites·20 claims
- 0297US6428686B1Two phase hydroprocessingPROCESS DYNAMICS INC·Filed 2000·Granted Aug 6, 2002·96 cites·31 claims
- 0397US6123835ATwo phase hydroprocessingPROCESS DYNAMICS INC·Filed 1998·Granted Sep 26, 2000·133 cites·35 claims
- 0496US10961463B2Process for hydroprocessing of non-petroleum feedstocksDUKE TECH LLC·Filed 2019·Granted Mar 30, 2021·10 cites·20 claims
- 0596US10717938B2Hydroprocessing method with high liquid mass fluxDUKE TECH LLC·Filed 2019·Granted Jul 21, 2020·10 cites·20 claims
- 0696US10487268B2Process for hydroprocessing of non-petroleum feedstocksDUKE TECH LLC·Filed 2017·Granted Nov 26, 2019·11 cites·20 claims
- 0795US9828552B1Process for hydroprocessing of non-petroleum feedstocksP D TECH DEVELOPMENT LLC·Filed 2015·Granted Nov 28, 2017·13 cites·20 claims
- 0894US11525096B2Method for treating renewable feedstocksDUKE TECH LLC·Filed 2022·Granted Dec 13, 2022·6 cites·20 claims
- 0994US10260009B2Hydroprocessing method with high liquid mass fluxP D TECH DEVELOPMENT LLC·Filed 2016·Granted Apr 16, 2019·10 cites·20 claims
- 1094US9096804B2Process for hydroprocessing of non-petroleum feedstocksACKERSON MICHAEL D·Filed 2012·Granted Aug 4, 2015·14 cites·33 claims
- 1194US6881326B2Two phase hydroprocessingPROCESS DYNAMICS INC·Filed 2002·Granted Apr 19, 2005·63 cites·42 claims
- 1293US7291257B2Two phase hydroprocessingPROCESS DYNAMICS INC·Filed 2004·Granted Nov 6, 2007·70 cites·18 claims
- 1392US11427762B2Pyrolysis reactor system and methodDUKE TECH LLC·Filed 2020·Granted Aug 30, 2022·2 cites·11 claims
- 1492US11254883B2Method and system for treating renewable feedstocksDUKE TECH LLC·Filed 2021·Granted Feb 22, 2022·3 cites·20 claims
- 1591US12480055B2Pyrolysis reactor system and methodDUKE TECH LLC·Filed 2024·Granted Nov 25, 2025·0 cites·20 claims
- 1691US7569136B2Control system method and apparatus for two phase hydroprocessingACKERSON MICHAEL D·Filed 2005·Granted Aug 4, 2009·32 cites·32 claims
- 1789US10611966B2Pyrolysis reactor system and methodACKERSON MICHAEL D·Filed 2018·Granted Apr 7, 2020·3 cites·22 claims
- 1883US11981866B2Pyrolysis reactor system and methodDUKE TECH LLC·Filed 2022·Granted May 14, 2024·0 cites·20 claims
- 1983US6497813B2Solvent extraction refining of petroleum productsPROCESS DYNAMICS INC·Filed 2001·Granted Dec 24, 2002·29 cites·24 claims
- 2081US6890425B2Solvent extraction refining of petroleum productsPROCESS DYNAMICS INC·Filed 2002·Granted May 10, 2005·26 cites·21 claims
- 2180US12203037B2System for treating renewable feedstocks with integrated hydroprocessingDUKE TECH LLC·Filed 2024·Granted Jan 21, 2025·0 cites·20 claims
- 2276US12195677B2Process for hydroprocessing of non-petroleum feedstocksDUKE TECH LLC·Filed 2021·Granted Jan 14, 2025·0 cites·20 claims
- 2374US12098334B2Method for treating renewable feedstocksDUKE TECH LLC·Filed 2022·Granted Sep 24, 2024·0 cites·20 claims
- 2471US11607664B2Hydroprocessing reactor to lower pressure drop and extend catalyst lifeDUKE TECH LLC·Filed 2021·Granted Mar 21, 2023·0 cites·20 claims
- 2571US11384295B2Hydroprocessing method with high liquid mass fluxDUKE TECH LLC·Filed 2020·Granted Jul 12, 2022·0 cites·20 claims
- 2668US11414609B2System for treating renewable feedstocksDUKE TECH LLC·Filed 2022·Granted Aug 16, 2022·0 cites·20 claims
- 2767US5620588APetroleum-wax separationFiled 1995·Granted Apr 15, 1997·26 cites·22 claims
- 2866US5474668APetroleum-wax separationUNIV ARKANSAS·Filed 1994·Granted Dec 12, 1995·24 cites·7 claims
- 2960US5196116AProcess for petroleum - wax separation at or above room temperatureUNIV ARKANSAS·Filed 1991·Granted Mar 23, 1993·20 cites·48 claims
- 3059US6024862APetroleum-wax separationADVANCED REFINING TECHNOLOGIES·Filed 1998·Granted Feb 15, 2000·19 cites·25 claims
- 3154US12391893B2Sustainable diesel production from ligninsDUKE TECH LLC·Filed 2025·Granted Aug 19, 2025·0 cites·20 claims
- 3253US2025163337A1Enhanced Treatment of Renewable Feedstocks with Integrated Off-Gas ProcessingDUKE TECH LLC·Filed 2025·Application pending·0 cites
- 3349US2019338205A1Heavy Fuel Oil ProductDUKE TECH LLC·Filed 2019·Application pending·0 cites
- 3444US12421459B2Process for hydroprocessing of non-petroleum feedstocks with hydrogen productionDUKE TECH LLC·Filed 2025·Granted Sep 23, 2025·0 cites·20 claims
- 3541US5853564APetroleum-wax separationUNIV ARKANSAS·Filed 1997·Granted Dec 29, 1998·8 cites·23 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →