Inventor
LIANG FENG
US281 patents
⚠️ This page may combine multiple inventors who share the name “LIANG FENG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FORD GLOBAL TECH INC
11 patentsUS6373162B1Apr 16, 2002
Permanent magnet electric machine with flux control
FORD GLOBAL TECH INC194 citations99
US6445095B1Sep 3, 2002
Electric machine with laminated cooling rings
FORD GLOBAL TECH INC48 citations96
US5793167AAug 11, 1998
Operation of a motor vehicle alternator
FORD GLOBAL TECH INC69 citations95
US6445079B1Sep 3, 2002
Method and apparatus for controlling an induction machine
FORD GLOBAL TECH INC30 citations93
US6359366B1Mar 19, 2002
Hybrid permanent magnet/synchronous machines
FORD GLOBAL TECH INC31 citations92
US6359800B1Mar 19, 2002
Direct current electric power generation system with variable speed alternating current generators
FORD GLOBAL TECH INC22 citations92
US5765513AJun 16, 1998
Electromechanically actuated valve
FORD GLOBAL TECH INC36 citations92
US5730091AMar 24, 1998
Soft landing electromechanically actuated engine valve
FORD GLOBAL TECH INC32 citations92
US5692463ADec 2, 1997
Electromechanically actuated valve with multiple lifts
FORD GLOBAL TECH INC27 citations92
US5647311AJul 15, 1997
Electromechanically actuated valve with multiple lifts and soft landing
FORD GLOBAL TECH INC40 citations92
US5645019AJul 8, 1997
Electromechanically actuated valve with soft landing and consistent seating force
FORD GLOBAL TECH INC27 citations92
FORD GLOBAL TECH LLC
9 patentsUS6867524B2Mar 15, 2005
Rotor skew methods for permanent magnet motors
FORD GLOBAL TECH LLC63 citations96
US9035522B2May 19, 2015
Permanent magnet machine with different pole arc angles
FORD GLOBAL TECH LLC17 citations93
US8018109B2Sep 13, 2011
Permanent magnet machine with offset pole spacing
FORD GLOBAL TECH LLC26 citations93
US6763789B1Jul 20, 2004
Electromagnetic actuator with permanent magnet
FORD GLOBAL TECH LLC39 citations93
US7791236B2Sep 7, 2010
Permanent magnet machine
FORD GLOBAL TECH LLC19 citations92
US7249579B2Jul 31, 2007
Enhanced permanent magnet electromagnetic actuator for an electronic valve actuation system of an engine
FORD GLOBAL TECH LLC25 citations92
US7124720B2Oct 24, 2006
Permanent magnet electromagnetic actuator for an electronic valve actuation system of an engine
FORD GLOBAL TECH LLC21 citations92
US10355537B2Jul 16, 2019
Method for adjusting magnetic permeability of electrical steel
FORD GLOBAL TECH LLC16 citations86
US10958120B2Mar 23, 2021
Electric machine rotor for harmonic flux reduction
FORD GLOBAL TECH LLC8 citations84
FORD MOTOR CO
6 patentsUS6603226B1Aug 5, 2003
Electric machine drive having sensorless control
FORD MOTOR CO21 citations93
US5648705AJul 15, 1997
Motor vehicle alternator and methods of operation
FORD MOTOR CO53 citations93
US6933692B2Aug 23, 2005
Diagnostic method for an electric drive assembly
FORD MOTOR CO26 citations92
US6683435B1Jan 27, 2004
Electrical machine drive method and system
FORD MOTOR CO54 citations92
US5642021AJun 24, 1997
Method and system for controlling an alternator to optimize direct current output
FORD MOTOR CO28 citations92
US5469351ANov 21, 1995
Fault isolation in an induction motor control system
FORD MOTOR CO36 citations91
ELECTRIC POWER RES INST
5 patentsUS5672925ASep 30, 1997
Doubly salient variable reluctance machine with stationary permanent magnets or auxiliary field windings
ELECTRIC POWER RES INST127 citations97
US5825112AOct 20, 1998
Doubly salient motor with stationary permanent magnets
ELECTRIC POWER RES INST66 citations96
US5455473AOct 3, 1995
Field weakening for a doubly salient motor with stator permanent magnets
ELECTRIC POWER RES INST63 citations96
US5459385AOct 17, 1995
Variable reluctance drive system
ELECTRIC POWER RES INST42 citations93
US5376851ADec 27, 1994
Variable reluctance motor with full and short pitch windings
ELECTRIC POWER RES INST35 citations93
SAUDI ARABIAN OIL CO
5 patentsUS10550314B2Feb 4, 2020
High temperature fracturing fluids with nanoparticles
SAUDI ARABIAN OIL CO21 citations94
US10647909B2May 12, 2020
Hydraulic fracturing fluid
SAUDI ARABIAN OIL CO12 citations86
US10669829B2Jun 2, 2020
Using electromagnetic waves to remove near wellbore damages in a hydrocarbon reservoir
SAUDI ARABIAN OIL CO8 citations84
US10563119B2Feb 18, 2020
Methods for producing seawater based, high temperature viscoelastic surfactant fluids with low scaling tendency
SAUDI ARABIAN OIL CO5 citations84
US10144866B2Dec 4, 2018
High temperature crosslinked fracturing fluids
SAUDI ARABIAN OIL CO7 citations84
UNIV FLORIDA STATE
3 patentsUS5405972AApr 11, 1995
Synthetic process for the preparation of taxol and other tricyclic and tetracyclic taxanes
UNIV FLORIDA STATE79 citations95
US5760252AJun 2, 1998
Synthetic process for the preparation of tricyclic and tetracyclic taxanes
UNIV FLORIDA STATE17 citations92
US5637732AJun 10, 1997
Tricyclic and tetracyclic taxanes
UNIV FLORIDA STATE26 citations92
HALLIBURTON ENERGY SERV INC
2 patentsUS7530396B1May 12, 2009
Self repairing cement compositions and methods of using same
HALLIBURTON ENERGY SERV INC56 citations98
US7740070B2Jun 22, 2010
Wellbore servicing compositions comprising a density segregation inhibiting composite and methods of making and using same
HALLIBURTON ENERGY SERV INC28 citations93
DANA CANADA CORP
2 patentsBALLARD POWER SYSTEMS
2 patentsHALLIBURTON ENERGY SERVICES INC
1 patentVISTEON GLOBAL TECH INC
1 patentLIANG FENG
1 patentGU JIONGJIONG
1 patentNewera USA Inc
1 patentShowing the top 50 of 281 patents by PatentIndex Score.