Inventor · disambiguated record
Feng Liang
Also filed as: KRUEGER ROBERT H · LIANG FENG · LIANG FENG CHIA
200 granted patents·90 pending applications·2,085 citations·filing 1992–2025
99Inventor score
Files withSAUDI ARABIAN OIL CO76FORD GLOBAL TECH LLC69HALLIBURTON ENERGY SERVICES INC24ARAMCO SERVICES CO15FORD GLOBAL TECH INC12
Top patents by PatentIndex Score
290 records- 0198US9260935B2Degradable balls for use in subterranean applicationsHALLIBURTON ENERGY SERVICES INC·Filed 2013·Granted Feb 16, 2016·42 cites·16 claims
- 0298US7530396B1Self repairing cement compositions and methods of using sameHALLIBURTON ENERGY SERV INC·Filed 2008·Granted May 12, 2009·56 cites·30 claims
- 0398US6373162B1Permanent magnet electric machine with flux controlFORD GLOBAL TECH INC·Filed 1999·Granted Apr 16, 2002·194 cites·9 claims
- 0497US10550314B2High temperature fracturing fluids with nanoparticlesSAUDI ARABIAN OIL CO·Filed 2016·Granted Feb 4, 2020·21 cites·22 claims
- 0597US10355537B2Method for adjusting magnetic permeability of electrical steelFORD GLOBAL TECH LLC·Filed 2017·Granted Jul 16, 2019·16 cites·20 claims
- 0697US8018109B2Permanent magnet machine with offset pole spacingFORD GLOBAL TECH LLC·Filed 2010·Granted Sep 13, 2011·26 cites·8 claims
- 0796US10647909B2Hydraulic fracturing fluidSAUDI ARABIAN OIL CO·Filed 2016·Granted May 12, 2020·12 cites·15 claims
- 0896US9035522B2Permanent magnet machine with different pole arc anglesFORD GLOBAL TECH LLC·Filed 2013·Granted May 19, 2015·17 cites·9 claims
- 0996US5672925ADoubly salient variable reluctance machine with stationary permanent magnets or auxiliary field windingsELECTRIC POWER RES INST·Filed 1995·Granted Sep 30, 1997·127 cites·19 claims
- 1095US12043792B1Carbon dioxide capturing polymeric system for water shutoff applicationsARAMCO SERVICES CO·Filed 2023·Granted Jul 23, 2024·2 cites·10 claims
- 1195US11261368B2Silicon dioxide Janus nanosheets relative permeability modifier (RPM) for reducing subterranean formation water permeability in carbonate and sandstone formationsSAUDI ARABIAN OIL CO·Filed 2020·Granted Mar 1, 2022·4 cites·13 claims
- 1295US11001750B2Hydraulic fracturing fluidSAUDI ARABIAN OIL CO·Filed 2020·Granted May 11, 2021·3 cites·19 claims
- 1395US10144866B2High temperature crosslinked fracturing fluidsSAUDI ARABIAN OIL CO·Filed 2016·Granted Dec 4, 2018·7 cites·5 claims
- 1495US9985484B2Surface groove patterns for permanent magnet machine rotorsFORD GLOBAL TECH LLC·Filed 2015·Granted May 29, 2018·11 cites·3 claims
- 1595US8536748B2Permanent magnet machine with different pole arc anglesLIANG FENG·Filed 2010·Granted Sep 17, 2013·33 cites·4 claims
- 1695US6867524B2Rotor skew methods for permanent magnet motorsFORD GLOBAL TECH LLC·Filed 2003·Granted Mar 15, 2005·63 cites·8 claims
- 1794US12230799B1Carbon nanotube sodiophilic metal anode-free sodium metal battery electrode material, preparation method therefor and application thereofUNIV KUNMING SCIENCE & TECHNOLOGY·Filed 2024·Granted Feb 18, 2025·1 cites·9 claims
- 1894US10958120B2Electric machine rotor for harmonic flux reductionFORD GLOBAL TECH LLC·Filed 2017·Granted Mar 23, 2021·8 cites·9 claims
- 1994US10563119B2Methods for producing seawater based, high temperature viscoelastic surfactant fluids with low scaling tendencySAUDI ARABIAN OIL CO·Filed 2017·Granted Feb 18, 2020·5 cites·14 claims
- 2094US10501680B2Treating seawater for hydrocarbon productionSAUDI ARABIAN OIL CO·Filed 2019·Granted Dec 10, 2019·12 cites·17 claims
- 2194US9725639B2Wellbore servicing materials and methods of making and using sameHALLIBURTON ENERGY SERVICES INC·Filed 2013·Granted Aug 8, 2017·16 cites·12 claims
- 2294US6445095B1Electric machine with laminated cooling ringsFORD GLOBAL TECH INC·Filed 2001·Granted Sep 3, 2002·48 cites·8 claims
- 2393US11056954B2Hairpin winding electric machine with multi-conductor hairpin assembliesFORD GLOBAL TECH LLC·Filed 2018·Granted Jul 6, 2021·4 cites·9 claims
- 2493US10669829B2Using electromagnetic waves to remove near wellbore damages in a hydrocarbon reservoirSAUDI ARABIAN OIL CO·Filed 2018·Granted Jun 2, 2020·8 cites·18 claims
- 2593US7979171B2Permanent magnet temperature estimationFORD GLOBAL TECH LLC·Filed 2010·Granted Jul 12, 2011·13 cites·17 claims
- 2693US7740070B2Wellbore servicing compositions comprising a density segregation inhibiting composite and methods of making and using sameHALLIBURTON ENERGY SERV INC·Filed 2008·Granted Jun 22, 2010·28 cites·20 claims
- 2793US6763789B1Electromagnetic actuator with permanent magnetFORD GLOBAL TECH LLC·Filed 2003·Granted Jul 20, 2004·39 cites·22 claims
- 2892US10879775B2Surface treatments of electrical steel core devicesFORD GLOBAL TECH LLC·Filed 2018·Granted Dec 29, 2020·4 cites·3 claims
- 2992US10707713B2Balanced hairpin winding electric machineFORD GLOBAL TECH LLC·Filed 2018·Granted Jul 7, 2020·5 cites·17 claims
- 3092US10211689B2Electric machine rotorFORD GLOBAL TECH LLC·Filed 2016·Granted Feb 19, 2019·7 cites·15 claims
- 3192US7791236B2Permanent magnet machineFORD GLOBAL TECH LLC·Filed 2007·Granted Sep 7, 2010·19 cites·10 claims
- 3291US8936086B2Methods of fluid loss control, diversion, and sealing using deformable particulatesLIANG FENG·Filed 2011·Granted Jan 20, 2015·10 cites·22 claims
- 3391US8584754B1Delayed-tackifier coated particulates and methods relating theretoHALLIBURTON ENERGY SERV INC·Filed 2013·Granted Nov 19, 2013·9 cites·17 claims
- 3491US8120223B2Permanent magnet machine with offset pole spacingLEONARDI FRANCO·Filed 2011·Granted Feb 21, 2012·14 cites·11 claims
- 3590USD994844SPortable toilet for adultsNewera USA Inc·Filed 2023·Granted Aug 8, 2023·14 cites·1 claims
- 3690US10913889B2Methods for producing seawater based, high temperature viscoelastic surfactant fluids with low scaling tendencySAUDI ARABIAN OIL CO·Filed 2019·Granted Feb 9, 2021·2 cites·6 claims
- 3790US10865342B2Enhanced high temperature crosslinked fracturing fluidsSAUDI ARABIAN OIL CO·Filed 2018·Granted Dec 15, 2020·3 cites·22 claims
- 3890US8436504B2Stator for an electric machineLIANG FENG·Filed 2010·Granted May 7, 2013·11 cites·13 claims
- 3990US8115582B2Inductor topologies with substantial common-mode and differential-mode inductanceCHEN CHINGCHI·Filed 2010·Granted Feb 14, 2012·8 cites·3 claims
- 4090US8044546B2Permanent magnet machineFORD GLOBAL TECH LLC·Filed 2010·Granted Oct 25, 2011·8 cites·7 claims
- 4190US7451906B2Products for use in low temperature fluxless brazingDANA CANADA CORP·Filed 2005·Granted Nov 18, 2008·14 cites·39 claims
- 4290US6570289B1Low noise automotive alternatorVISTEON GLOBAL TECH INC·Filed 2000·Granted May 27, 2003·49 cites·6 claims
- 4389US8461739B2Stator for an electric machineLIANG FENG·Filed 2009·Granted Jun 11, 2013·17 cites·9 claims
- 4489US8350431B2Permanent magnet machineFORD GLOBAL TECH LLC·Filed 2011·Granted Jan 8, 2013·7 cites·1 claims
- 4588US11232903B2Additive manufacture of anisotropic rare earth magnetsFORD GLOBAL TECH LLC·Filed 2018·Granted Jan 25, 2022·1 cites·13 claims
- 4688US10619090B1Fracturing fluid compositions having Portland cement clinker and methods of useSAUDI ARABIAN OIL CO·Filed 2019·Granted Apr 14, 2020·2 cites·7 claims
- 4788US6359366B1Hybrid permanent magnet/synchronous machinesFORD GLOBAL TECH INC·Filed 2000·Granted Mar 19, 2002·31 cites·7 claims
- 4888US5825112ADoubly salient motor with stationary permanent magnetsELECTRIC POWER RES INST·Filed 1992·Granted Oct 20, 1998·66 cites·13 claims
- 4987US11205941B2Methods for tuning magnetic properties of electrical steel cores for electrical devicesFORD GLOBAL TECH LLC·Filed 2019·Granted Dec 21, 2021·3 cites·9 claims
- 5087US11028312B2Treating seawater for hydrocarbon productionSAUDI ARABIAN OIL CO·Filed 2019·Granted Jun 8, 2021·3 cites·21 claims
Showing the top 50 of 290 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →