Inventor · disambiguated record
David C. Dankworth
Also filed as: DANKWORTH DAVID C · DANKWORTH DAVID CHARLES
15 granted patents·9 pending applications·240 citations·filing 1993–2025
92Inventor score
Files withEXXONMOBIL TECHNOLOGY & ENGINEERING COMPANY9EXXON RESEARCH ENGINEERING CO7EXXONMOBIL RES & ENG CO6HUANG YI EN1
Top patents by PatentIndex Score
24 records- 0191US11629056B2Reactor for carbon nanotube and nanofiber productionEXXONMOBIL TECHNOLOGY & ENGINEERING COMPANY·Filed 2020·Granted Apr 18, 2023·2 cites·20 claims
- 0288US10414991B2Processing of heavy hydrocarbon feedsEXXONMOBIL RES & ENG CO·Filed 2017·Granted Sep 17, 2019·3 cites·6 claims
- 0380US11577955B2Systems and processes for molten media pyrolysisEXXONMOBIL TECHNOLOGY & ENGINEERING COMPANY·Filed 2019·Granted Feb 14, 2023·1 cites·18 claims
- 0478US5939031ACountercurrent reactorEXXON RESEARCH ENGINEERING CO·Filed 1997·Granted Aug 17, 1999·53 cites·17 claims
- 0577US6054041AThree stage cocurrent liquid and vapor hydroprocessingEXXON RESEARCH ENGINEERING CO·Filed 1998·Granted Apr 25, 2000·45 cites·18 claims
- 0677US5942197ACountercurrent reactorEXXON RESEARCH ENGINEERING CO·Filed 1997·Granted Aug 24, 1999·50 cites·18 claims
- 0768US2019359899A1Processing of heavy hydrocarbon feedsEXXONMOBIL RES & ENG CO·Filed 2019·Application pending·0 cites
- 0867US12441941B2Upgrading pyrolysis carbonEXXONMOBIL TECHNOLOGY & ENGINEERING COMPANY·Filed 2022·Granted Oct 14, 2025·0 cites·24 claims
- 0967US2024174516A1Reverse flow reactor for ammonia crackingEXXONMOBIL TECHNOLOGY & ENGINEERING COMPANY·Filed 2023·Application pending·0 cites
- 1067US2019338203A1Processing of heavy hydrocarbon feedsEXXONMOBIL RES & ENG CO·Filed 2019·Application pending·0 cites
- 1164US2024109775A1Hydrogen generation in high temperature counter-current reactorEXXONMOBIL TECHNOLOGY & ENGINEERING COMPANY·Filed 2023·Application pending·0 cites
- 1262US5403561AMixed phase fixed bed reactor distributorEXXON RESEARCH ENGINEERING CO·Filed 1993·Granted Apr 4, 1995·23 cites·5 claims
- 1360US12358788B2Methane pyrolysis using stacked fluidized bedsEXXONMOBIL TECHNOLOGY & ENGINEERING COMPANY·Filed 2021·Granted Jul 15, 2025·0 cites·18 claims
- 1458US6846469B1Method for extending operating life of a fixed bed reactorEXXONMOBIL RES & ENG CO·Filed 2000·Granted Jan 25, 2005·3 cites·9 claims
- 1558US5985131AHydroprocessing in a countercurrent reaction vesselEXXON RESEARCH ENGINEERING CO·Filed 1996·Granted Nov 16, 1999·24 cites·19 claims
- 1658US2021147229A1Porous wall reactor for generating hydrogen and solid carbonEXXONMOBIL RES & ENG CO·Filed 2020·Application pending·0 cites
- 1757US6007787ACountercurrent reaction vesselEXXON RESEARCH ENGINEERING CO·Filed 1996·Granted Dec 28, 1999·23 cites·9 claims
- 1856US2025333309A1Hydrocarbon pyrolysis and pyrolysis coke particle productionEXXONMOBIL TECHNOLOGY & ENGINEERING COMPANY·Filed 2025·Application pending·0 cites
- 1955US2023391617A1Methane pyrolysis using stacked fluidized beds with electric heating of cokeEXXONMOBIL TECHNOLOGY & ENGINEERING COMPANY·Filed 2020·Application pending·0 cites
- 2052US11591212B2Systems and processes for molten media pyrolysisEXXONMOBIL TECHNOLOGY & ENGINEERING COMPANY·Filed 2019·Granted Feb 28, 2023·0 cites·10 claims
- 2144US2015101406A1Real-time level monitoring for fixed bed catalyst loading using multiple level sensorsHUANG YI EN·Filed 2014·Application pending·0 cites
- 2241US5354990AIn-situ localized tracer injection/fiber optic detection for measurement of flow distributions in fixed bed reactorsEXXON RESEARCH ENGINEERING CO·Filed 1993·Granted Oct 11, 1994·7 cites·11 claims
- 2337US6623621B1Control of flooding in a countercurrent flow reactor by use of temperature of liquid product streamEXXONMOBIL RES & ENG CO·Filed 1999·Granted Sep 23, 2003·6 cites·8 claims
- 2427US2002031459A1Fouling tolerant fixed bed reactor (law858)Filed 1999·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when David C. Dankworth files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →