Inventor · disambiguated record

Qi Xu

Also filed as: XU QI · XU QI C · XU QI-CHANG

67 granted patents·7 pending applications·253 citations·filing 1991–2024

98Inventor score

Technology areasC10G B01J B63B C07C C01B

Files withSAUDI ARABIAN OIL CO59 TECHNIP FRANCE4 XU QI3 L3 COMM CORP2 THE ADMINISTRATORS OF THE TULANE EDUCATIONAL FUND2

Top patents by PatentIndex Score

74 records

0197US11851622B1Methods for processing a hydrocarbon oil feed stream utilizing a gasification unit and steam enhanced catalytic crackerSAUDI ARABIAN OIL CO·Filed 2022·Granted Dec 26, 2023·7 cites·20 claims
0296US11370975B2Steam-enhanced catalytic cracking of hydrocarbons to produce light olefinsSAUDI ARABIAN OIL CO·Filed 2020·Granted Jun 28, 2022·6 cites·23 claims
0395US6652192B1Heave suppressed offshore drilling and production platform and method of installationCSO AKER MARITIME INC·Filed 2000·Granted Nov 25, 2003·82 cites·27 claims
0492US11898110B1Multi-zone catalytic cracking of crude oilsSAUDI ARABIAN OIL CO·Filed 2023·Granted Feb 13, 2024·2 cites·18 claims
0592US11242493B1Methods for processing crude oils to form light olefinsSAUDI ARABIAN OIL CO·Filed 2020·Granted Feb 8, 2022·11 cites·19 claims
0691US11827855B1Process and nano-ZSM-5 based catalyst formulation for cracking crude oil to produce light olefins and aromaticsSAUDI ARABIAN OIL CO·Filed 2022·Granted Nov 28, 2023·1 cites·20 claims
0791US11814593B1Processes for hydroprocessing and cracking crude oilSAUDI ARABIAN OIL CO·Filed 2022·Granted Nov 14, 2023·1 cites·19 claims
0891US10035742B1Process for maximizing xylenes production from heavy aromatics for use thereinSAUDI ARABIAN OIL CO·Filed 2017·Granted Jul 31, 2018·11 cites·18 claims
0989US10239756B1Process for sulfur recovery from acid gas stream without catalytic Claus reactorsSAUDI ARABIAN OIL CO·Filed 2017·Granted Mar 26, 2019·4 cites·18 claims
1088US10894755B2Integrated process for optimum production of para-xyleneSAUDI ARABIAN OIL CO·Filed 2019·Granted Jan 19, 2021·2 cites·6 claims
1185US10501389B1Process and system for the production of para-xylene and benzene from streams rich in C6 to C12+ aromaticsSAUDI ARABIAN OIL CO·Filed 2018·Granted Dec 10, 2019·2 cites·24 claims
1284US11377609B2System and process for steam cracking and PFO treatment integrating hydrodealkylation and naphtha reformingSAUDI ARABIAN OIL CO·Filed 2019·Granted Jul 5, 2022·2 cites·21 claims
1383US10696609B2Integrated process for maximizing production of para-xylene from full reformateSAUDI ARABIAN OIL CO·Filed 2018·Granted Jun 30, 2020·1 cites·17 claims
1480US10252958B2Process for xylene production with energy optimizationSAUDI ARABIAN OIL CO·Filed 2018·Granted Apr 9, 2019·1 cites·18 claims
1579US12378485B2Methods for processing a hydrocarbon oil feed stream utilizing a delayed coker, steam enhanced catalytic cracker, and an aromatics complexSAUDI ARABIAN OIL CO·Filed 2024·Granted Aug 5, 2025·0 cites·9 claims
1679US11220637B2System and process for steam cracking and PFO treatment integrating selective hydrogenation and FCCSAUDI ARABIAN OIL CO·Filed 2019·Granted Jan 11, 2022·1 cites·23 claims
1778US11091709B2System and process for steam cracking and PFO treatment integrating selective hydrogenation, ring opening and naphtha reformingSAUDI ARABIAN OIL CO·Filed 2019·Granted Aug 17, 2021·1 cites·29 claims
1874US6400649B2Self biased transducer assembly and high voltage drive circuitL3 COMM CORP·Filed 2001·Granted Jun 4, 2002·13 cites·8 claims
1973US11939541B2Methods for processing a hydrocarbon oil feed stream utilizing a delayed coker, steam enhanced catalytic cracker, and an aromatics complexSAUDI ARABIAN OIL CO·Filed 2022·Granted Mar 26, 2024·0 cites·13 claims
2072USD1101684SFloating structure for offshore wind power generationMODEC INC·Filed 2023·Granted Nov 11, 2025·0 cites·1 claims
2170US11939539B1Multi-zone catalytic cracking of crude oilsSAUDI ARABIAN OIL CO·Filed 2023·Granted Mar 26, 2024·0 cites·18 claims
2269US11618723B2Integrated process for optimum production of para-xyleneSAUDI ARABIAN OIL CO·Filed 2021·Granted Apr 4, 2023·0 cites·6 claims
2368US11459517B2System for steam cracking and PFO treatment integrating selective hydrogenation and selective hydrocrackingSAUDI ARABIAN OIL CO·Filed 2021·Granted Oct 4, 2022·0 cites·17 claims
2468US7037044B2Deck-to-column connection for extendable draft platformTECHNIP FRANCE·Filed 2004·Granted May 2, 2006·11 cites·30 claims
2567US11866663B1Multi-zone catalytic cracking of crude oilsSAUDI ARABIAN OIL CO·Filed 2023·Granted Jan 9, 2024·0 cites·17 claims
2667US11001773B1System and process for steam cracking and PFO treatment integrating selective hydrogenation and selective hydrocrackingSAUDI ARABIAN OIL CO·Filed 2019·Granted May 11, 2021·0 cites·72 claims
2767US8444347B2Truss heave plate system for offshore platformXU QI·Filed 2010·Granted May 21, 2013·3 cites·13 claims
2866US11292754B2Integrated process for maximizing production of para-xylene from full reformateSAUDI ARABIAN OIL CO·Filed 2020·Granted Apr 5, 2022·0 cites·17 claims
2966US10097628B2Resource affinity in a dynamic resource poolMICROSOFT CORP·Filed 2014·Granted Oct 9, 2018·2 cites·20 claims
3066US5166907AFrequency agile sonic transducerPENNSYLVANIA RES CORP·Filed 1991·Granted Nov 24, 1992·25 cites·9 claims
3165US11866662B1Multi-zone catalytic cracking of crude oilsSAUDI ARABIAN OIL CO·Filed 2023·Granted Jan 9, 2024·0 cites·20 claims
3265US11866659B1Multi-zone catalytic cracking of crude oilsSAUDI ARABIAN OIL CO·Filed 2023·Granted Jan 9, 2024·0 cites·20 claims
3365US11866660B1Process and catalyst formulation for cracking crude oilSAUDI ARABIAN OIL CO·Filed 2022·Granted Jan 9, 2024·0 cites·20 claims
3465US11866651B1Process and catalyst formulation for cracking crude oilSAUDI ARABIAN OIL CO·Filed 2022·Granted Jan 9, 2024·0 cites·20 claims
3564US12227707B2Methods for processing a hydrocarbon oil feed stream utilizing a gasification unit, steam enhanced catalytic cracker, and an aromatics complexSAUDI ARABIAN OIL CO·Filed 2022·Granted Feb 18, 2025·0 cites·12 claims
3664US12227709B2Methods for processing a hydrocarbon oil feed stream utilizing a gasification unit, dehydrogenation unit, steam enhanced catalytic cracker, and an aromatics complexSAUDI ARABIAN OIL CO·Filed 2022·Granted Feb 18, 2025·0 cites·13 claims
3764US12012554B2Process and catalyst formulation for cracking crude oil to produce light olefins and aromaticsSAUDI ARABIAN OIL CO·Filed 2022·Granted Jun 18, 2024·0 cites·19 claims
3864US11959031B2Conversion of whole crude to value added petrochemicals in an integrated reactor processSAUDI ARABIAN OIL CO·Filed 2022·Granted Apr 16, 2024·0 cites·17 claims
3964US8757081B2Semi-submersible floating structure for vortex-induced motion performanceXU QI·Filed 2011·Granted Jun 24, 2014·2 cites·18 claims
4063US12241029B2Process for the conversion of petroleum to light olefins utilizing a pretreatment complex and steam enhanced catalytic crackerSAUDI ARABIAN OIL CO·Filed 2022·Granted Mar 4, 2025·0 cites·16 claims
4163US12163096B2Multi-zone catalytic cracking of crude oilsSAUDI ARABIAN OIL CO·Filed 2023·Granted Dec 10, 2024·0 cites·20 claims
4263US11866661B1Multi-zone catalytic cracking of crude oilsSAUDI ARABIAN OIL CO·Filed 2023·Granted Jan 9, 2024·0 cites·20 claims
4363US11820950B1Conversion of whole crude to value added petrochemicals in an integrated reactor processSAUDI ARABIAN OIL CO·Filed 2022·Granted Nov 21, 2023·0 cites·21 claims
4463US11814594B1Processes for hydroprocessing and cracking crude oilSAUDI ARABIAN OIL CO·Filed 2022·Granted Nov 14, 2023·0 cites·19 claims
4563US10442742B2Process for xylene production with energy optimizationSAUDI ARABIAN OIL CO·Filed 2019·Granted Oct 15, 2019·0 cites·16 claims
4663US6948884B2Vortex-induced vibration reduction device for fluid immersed cylindersTECHNIP FRANCE·Filed 2001·Granted Sep 27, 2005·33 cites·5 claims
4763US2024360370A1Processes for direct conversion of crude oil to light olefins and light aromatics through steam enhanced catalytic cracking over a core shell cracking catalystSAUDI ARABIAN OIL CO·Filed 2023·Application pending·0 cites
4862US2025215334A1Process for the conversion of hydrocarbons to olefinsSAUDI ARABIAN OIL CO·Filed 2024·Application pending·0 cites
4961US10308573B2Process for maximizing xylenes production from heavy aromatics for use thereinSAUDI ARABIAN OIL CO·Filed 2018·Granted Jun 4, 2019·0 cites·26 claims
5060US12325833B2Methods for processing a hydrocarbon oil feed stream utilizing a delayed coker and steam enhanced catalytic crackerSAUDI ARABIAN OIL CO·Filed 2022·Granted Jun 10, 2025·0 cites·13 claims

Showing the top 50 of 74 patent records by PatentIndex Score.

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