ClassID:

141061

F02M37/0064 - CPC Classification

Classification description:

Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines; Layout or arrangement of systems for feeding fuel for engines being fed with multiple fuels or fuels having special properties, e.g. bio-fuels; varying the fuel composition

Recent Application in this class:
#1
20250290478
2025-09-18

FUEL SUPPLY DEVICE AND ENGINE SYSTEM

#2
20250290475
2025-09-18

METHANOL-GASOLINE MIXING ENERGIZING DEVICE, METHANOL-FUELED AUTOMOBILE CONTROL SYSTEM, AND AUTOMOBILE

#3
20250243833
2025-07-31

BIODIESEL CONVERSION KIT FOR AN FDL ENGINE

#4
20250035528
2025-01-30

CONTROLLING A VISCOSITY OF FUEL IN A FUEL CONTROL SYSTEM WITH A VIBRATORY METER

#5
20240287929
2024-08-29

FUEL SUPPLY DEVICE FOR SUPPLYING A FUEL AND INTERNAL COMBUSTION ENGINE

#6
20240167443
2024-05-23

METHODS AND SYSTEMS FOR MULTI-FUEL ENGINE

#7
20230417198
2023-12-28

CONSTANT PRESSURE FUEL ENHANCEMENT SYSTEM AND METHOD

#8
20230143603
2023-05-11

Multi-fuel switching device

#9
20220307453
2022-09-29

Engine

#10
20220268200
2022-08-25

Fuel supply device for supplying a fuel and internal combustion engine

#11
20210404427
2021-12-30

Dual-fuel internal combustion engine

#12
20210404372
2021-12-30

Systems and method for controlling auto-ignition

#13
20210363941
2021-11-25

Fuel pump for a liquid fuel water injection system of a motor vehicle

#14
20210301773
2021-09-30

Engine

#15
20210293213
2021-09-23

High volume electronic fuel injection system

#16
20210262423
2021-08-26

Propane fuel system temperature control systems and methods

#17
20210115859
2021-04-22

Reverse flow detection system

#18
20210087982
2021-03-25

Multiple fuel tank purge system and method

#19
20200362804
2020-11-19

Method and control device for operating a common-rail fuel supply system

#20
20200291876
2020-09-17

Engine

#21
20200291875
2020-09-17

Combustion control system and method for switching between spark and pilot-ignited operating modes in dual fuel engine

#22
20200182165
2020-06-11

Supercritical reforming of fuels, without separate water supply, for internal combustion engines

#23
20200049113
2020-02-13

FUEL CONTAINER AND POWER WORK EQUIPMENT

#24
20190390616
2019-12-26

Fuel blending system and method

#25
20190368451
2019-12-05

Solvent-based adsorbent regeneration for onboard octane on-demand and cetane on-demand

#26
20190316531
2019-10-17

Heat exchanger configuration for adsorption-based onboard octane on-demand and cetane on-demand

#27
20190301373
2019-10-03

Solvent-based adsorbent regeneration for onboard octane on-demand and cetane on-demand

#28
20190285010
2019-09-19

Systems and methods for delivering fuel to an internal combustion engine

#29
20190242309
2019-08-08

Engine response to load shedding by means of a skip-spark/fuel strategy

#30
20190234321
2019-08-01

Adsorption-based fuel systems for onboard cetane on-demand and octane on-demand

#31
20190234320
2019-08-01

Heat exchanger configuration for adsorption-based onboard octane on-demand and cetane on-demand

#32
20190234319
2019-08-01

Engine

#33
20190211790
2019-07-11

Injector arrangement for diesel engines using slurry or emulsion fuels

#34
20190186440
2019-06-20

Propane fuel system temperature control systems and methods

#35
20190085802
2019-03-21

Hydrogenated liquid fuel production and induction system for gasoline and diesel internal combustion engines

#36
20190085773
2019-03-21

Engine device

#37
20190072062
2019-03-07

Method and apparatus for modifying an OEM fuel system for bi-fuel use

#38
20190024616
2019-01-24

ALTERNATIVE FUEL RETROFIT KIT FOR A COMBUSTION ENGINE

#39
20180304740
2018-10-25

Fuel tank arrangement for a dual fuel internal combustion engine

#40
20180264935
2018-09-20

Gas tank arrangement for a dual fuel internal combustion engine

#41
20180245524
2018-08-30

Adjusting a fuel on-board a vehicle

#42
20180179967
2018-06-28

COMBUSTION SYSTEM AND METHOD

#43
20180164201
2018-06-14

Controlling a viscosity of fuel in a fuel control system with a vibratory meter

#44
20180156173
2018-06-07

Method and apparatus for modifying an OEM fuel system for bi-fuel use

#45
20180066613
2018-03-08

Adjusting a fuel on-board a vehicle

#46
20180023530
2018-01-25

Ignition timing control device for internal combustion engine

#47
20180003136
2018-01-04

Fuel supply system for an engine with an electric ignition power source

#48
20170368504
2017-12-28

On-board fuel adjustment by molecular separation

#49
20170341508
2017-11-30

Adjusting a fuel on-board a vehicle

#50
20170292478
2017-10-12

Device for lowering the pour point of crude oil or heavy fuel oil

#51
20170282708
2017-10-05

Adjusting a fuel on-board a vehicle

#52
20170248094
2017-08-31

Method and apparatus for determining differential density

#53
20170234276
2017-08-17

Adjusting a fuel on-board a vehicle

#54
20170234244
2017-08-17

Adjusting a fuel on-board a vehicle

#55
20170218897
2017-08-03

Dual fuel injector

#56
20170211532
2017-07-27

Heat storage device

#57
20170203806
2017-07-20

FUEL SUPPLY METHOD OF MOTORCYCLE ENGINE

#58
20170159625
2017-06-08

INJECTOR SEALS FOR DUAL FUEL APPLICATION

#59
20170120745
2017-05-04

Fuel filling apparatus and method for bi-fuel vehicle

#60
20170058791
2017-03-02

Fuel storage apparatus

#61
20170051710
2017-02-23

BURNER AND FUEL VAPORIZING DEVICE

#62
20170051701
2017-02-23

Method for operating a dual lift pump system

#63
20160369719
2016-12-22

ENGINE-DRIVEN ELECTRICITY GENERATION SYSTEM USING DIESEL ENGINE FROM SCRAPPED VEHICLE CAPABLE OF USING BOTH DIESEL AND LNG

#64
20160312750
2016-10-27

Vehicle fuel system

#65
20160258396
2016-09-08

Engine device

#66
20160252057
2016-09-01

Apparatus and method for operating a plurality of hydraulic pumps

#67
20160215739
2016-07-28

Engine exhaust particulate removal and utilization

#68
20160201614
2016-07-14

Fuel system control

#69
20160102642
2016-04-14

System and method for lubricating a fuel pump

#70
20160084188
2016-03-24

Method for controlling a low pressure circuit by employing future conditions

#71
20160082832
2016-03-24

System and methods for determining fuel fill level and diagnosing fill level indicator

#72
20160061337
2016-03-03

Dual Piston Valve for Flow Control of Two Distinct Liquid Fuels

#73
20150369186
2015-12-24

Temperature varying circulation system for use with alternative fuels

#74
20150122216
2015-05-07

METHOD AND SYSTEM TO IMPROVE ATOMIZATION AND COMBUSTION OF HEAVY FUEL OILS

#75
20150107677
2015-04-23

Fuel supply apparatus and fuel supply method

#76
20150053162
2015-02-26

ETHANOL/CASTOR OIL BASED FUEL CONDITIONING

#77
20150041415
2015-02-12

Filtration system for providing clean fuel

#78
20150020772
2015-01-22

Method for operating an internal combustion engine

#79
20140360474
2014-12-11

METHOD AND SYSTEM FOR PROVIDING FUEL TO INTERNAL COMBUSTION ENGINES

#80
20140251292
2014-09-11

Fuel control system and associated method

#81
20140230795
2014-08-21

Fuel system control

#82
20140202420
2014-07-24

Arrangement and method for an internal combustion engine with direct dual fuel injection

#83
20140199480
2014-07-17

Method of manufacturing fuel system part and fuel system part

#84
20140121936
2014-05-01

Detection of diesel fuel gelling

#85
20140060682
2014-03-06

Fuel supply system and method

#86
20140034021
2014-02-06

Fuel rail assembly including fuel separation membrane

#87
20140026838
2014-01-30

Fuel system and method for burning a liquid renewable fuel in engines and boilers

#88
20130327298
2013-12-12

Fuel-pumping system, method for operating a fuel-pumping system and fuel-injection system comprising a fuel-pumping system

#89
20130306028
2013-11-21

Device for dispensing an additive

#90
20130304360
2013-11-14

Fuel control system and associated method

#91
20130269633
2013-10-17

Fuel feeding system and method of operating a fuel feeding system

#92
20130168311
2013-07-04

Replaceable fuel separation unit

#93
20130146025
2013-06-13

Fuel supply system of vehicle

#94
20130104526
2013-05-02

System and method for reducing mono-nitrogen oxide emissions

#95
20130047963
2013-02-28

WARRANTY VIOLATION DETECTION SYSTEM FOR DISALLOWED FUELS

#96
20130025574
2013-01-31

Alternate fuel storage system and method

#97
20130014731
2013-01-17

On-board fuel vapor separation for multi-fuel vehicle

#98
20130013183
2013-01-10

Method and system for vehicle refueling

#99
20130008400
2013-01-10

Fuel activation method and fuel supply system

#100
20120328452
2012-12-27

System and method for lubricating a fuel pump

#101
20120312280
2012-12-13

Fuel supply system and high-pressure pump for combustion engine

#102
20120255527
2012-10-11

Devices, systems, and methods for controlling fuel states for internal combustion engines

#103
20120239277
2012-09-20

Fuel based engine operation control

#104
20120199100
2012-08-09

Operating system for internal combustion engine

#105
20120152211
2012-06-21

On-board fuel vapor separation for multi-fuel vehicle

#106
20120118746
2012-05-17

METHOD OF MANUFACTURING FUEL SYSTEM PART AND FUEL SYSTEM PART

#107
20120046852
2012-02-23

Closed loop control of fuel viscosity in multi-fuel engine

#108
20120024269
2012-02-02

Fuel based engine operation control

#109
20110247585
2011-10-13

Injector-ignition for an internal combustion engine

#110
20110247573
2011-10-13

OXYGENATE DEHYDRATION SYSTEM FOR COMPRESSION IGNITION ENGINES

#111
20110247325
2011-10-13

Engine boost control for multi-fuel engine

#112
20110240141
2011-10-06

SYSTEM AND METHOD FOR FUELING DIESEL ENGINES WITH VEGETABLE OIL

#113
20110232601
2011-09-29

COMPRESSION IGNITION ENGINE WITH BLENDED FUEL INJECTION

#114
20110224884
2011-09-15

Fuel control system and associated method

#115
20110220063
2011-09-15

Fuel system for multi-fuel engine

#116
20110186370
2011-08-04

Fuel supply apparatus and motorcycle including same

#117
20110168133
2011-07-14

Approach for controlling fuel flow with alternative fuels

#118
20110146617
2011-06-23

AUTOMOTIVE FUEL TANK

#119
20110146608
2011-06-23

Glow plug engine

#120
20110146606
2011-06-23

Method of reducing nitrogen oxide emissions

#121
20110137470
2011-06-09

Method and system for vehicle refueling

#122
20110130979
2011-06-02

Fuel viscosity detection apparatus

#123
20110114069
2011-05-19

APPARATUS, SYSTEM AND METHOD FOR OPERATING AN OXYGEN-ENRICHED AMMONIA-FUELED SPARK IGNITION ENGINE

#124
20110088657
2011-04-21

Multi-fuel internal combustion engine

#125
20110088395
2011-04-21

Combustion method and apparatus

#126
20110073057
2011-03-31

Fuel system for multi-fuel engine

#127
20110056465
2011-03-10

Fuel supply device

#128
20110029219
2011-02-03

Alternate fuel blending system and associated method

#129
20110011382
2011-01-20

Engine boost control for multi-fuel engine

#130
20110011369
2011-01-20

Arrangement and Method for an Internal Combustion Engine with Direct Dual Fuel Injection

#131
20110000549
2011-01-06

FUEL SUPPLY APPARATUS AND FUEL SUPPLY METHOD

#132
20100299052
2010-11-25

Fuel systems and methods for cold environments

#133
20100288240
2010-11-18

Method of and apparatus for co-fuelling diesel engines

#134
20100288211
2010-11-18

Fuel system and method for burning liquid ammonia in engines and boilers

#135
20100287955
2010-11-18

Two-phase hydrogen pump and method

#136
20100268443
2010-10-21

Method and system for providing fuel to internal combustion engines

#137
20100258084
2010-10-14

FUEL-PUMPING SYSTEM, METHOD FOR OPERATING A FUEL-PUMPING SYSTEM AND FUEL-INJECTION SYSTEM COMPRISING A FUEL-PUMPING SYSTEM

#138
20100252135
2010-10-07

Multi-fuel carburetors and related methods

#139
20100252004
2010-10-07

Internal combustion engine that can be operated with different types of liquid fuel

#140
20100231371
2010-09-16

Fuel Nature Discriminating System for Working Machines, and Fuel Nature Discriminating Method for Working Machines

#141
20100228400
2010-09-09

Systems and methods for dispensing oil and fuel additives

#142
20100218734
2010-09-02

Bio-diesel fuel engine system and bio-diesel fuel engine operating method

#143
20100199948
2010-08-12

Concurrent injection of liquid and gaseous fuels in an engine

#144
20100192905
2010-08-05

System and method for tip-in knock compensation

#145
20100191445
2010-07-29

Individual cylinder fuel mass correction factor for high drivability index (HIDI) fuel

#146
20100191441
2010-07-29

METHOD OF FUEL CONVERSION FOR ENGINE

#147
20100186702
2010-07-29

System and method for storage and delivery of a fuel additive on-board a plug-in hybrid electric vehicle

#148
20100180839
2010-07-22

System and method for the co-generation of fuel having a closed-loop energy cycle

#149
20100161200
2010-06-24

Fuel control system and associated method

#150
20100155322
2010-06-24

Vehicle mounted fuel separation apparatus

#151
20100155315
2010-06-24

Vehicle-mounted fuel separation system

#152
20100154394
2010-06-24

Exhaust heat recovery system

#153
20100147265
2010-06-17

Single nozzle direct injection system for rapidly variable gasoline/anti-knock agent mixtures

#154
20100139636
2010-06-10

Nitrous oxide/methanol injection system

#155
20100139627
2010-06-10

FUEL HEATING SYSTEM

#156
20100138136
2010-06-03

Controller for internal combustion engine

#157
20100122989
2010-05-20

System and method for fueling diesel engines with vegetable oil

#158
20100059020
2010-03-11

FUEL SUPPLY SYSTEM AND FUEL SUPPLY CONTROL METHOD FOR INTERNAL COMBUSTION ENGINE

#159
20100030451
2010-02-04

Engine boost control for multi-fuel engine

#160
20100024789
2010-02-04

Fuel system for multi-fuel engine

#161
20100024780
2010-02-04

Fuel delivery system for multi-fuel engine

#162
20100024772
2010-02-04

Fuel system for multi-fuel engine

#163
20100024770
2010-02-04

Fuel delivery system for a multi-fuel engine

#164
20100017097
2010-01-21

Fuel based engine operation control

#165
20100012102
2010-01-21

Devices, systems, and methods for controlling fuel states for internal combustion engines

#166
20090314262
2009-12-24

FUEL SUPPLY DEVICE FOR A DIESEL ENGINE AND METHOD FOR OPERATING A FUEL SUPPLY DEVICE FOR A DIESEL ENGINE

#167
20090308366
2009-12-17

GASOLINE CONVERSION SYSTEM FOR INTERNAL COMBUSTION ENGINES THAT OPERATE WITH FUELS BASED ON METHANOL AND OIL

#168
20090283078
2009-11-19

Control apparatus and control method for internal combustion engine

#169
20090255508
2009-10-15

Injector-ignition for an internal combustion engine

#170
20090242038
2009-10-01

Multiple fuel system for internal combustion engines

#171
20090235908
2009-09-24

Fuel tank system

#172
20090235896
2009-09-24

Diesel cycle internal combustion engine

#173
20090193873
2009-08-06

Fuel property sensor and fuel tank assembly

#174
20090178474
2009-07-16

Fuel composition estimation and control of fuel injection

#175
20090165748
2009-07-02

PETROLEUM FUEL SUPPLY METHOD AND CIRCUIT

#176
20090159057
2009-06-25

Fuel rail assembly including fuel separation membrane

#177
20090157277
2009-06-18

On-board fuel vapor separation for multi-fuel vehicle

#178
20090139305
2009-06-04

Procedure for determining the proportions of components of a fuel mixture

#179
20090126655
2009-05-21

Catalytic fuel oil economizer in oil lines of motor vehicle

#180
20090120396
2009-05-14

Method for cold starting of ethanol-fueled engines

#181
20090120177
2009-05-14

Method for monitoring the performance of a compression-ignition, internal combustion engine

#182
20090112450
2009-04-30

Fuel Management System for Refueling a Fuel System for Improved Fuel Efficiency Utilizing Glycols

#183
20090112442
2009-04-30

Control apparatus and method for internal combustion engine and fuel property determining apparatus and method

#184
20090107461
2009-04-30

Direct injection fuel system with reservoir

#185
20090095267
2009-04-16

MAGNETIC APPARATUS COMPRISING VANES AND GROOVES FOR THE TREATMENT OF SUPPLY FUELS

#186
20090090312
2009-04-09

Alternative fuel engine

#187
20090084366
2009-04-02

Method and System for Liquid Fuel Gasification

#188
20090078226
2009-03-26

Method and system for liquid fuel conditioning

#189
20090076705
2009-03-19

POWER MODULATED, DUAL FUEL, SMALL DISPLACEMENT ENGINE CONTROL SYSTEM

#190
20090071447
2009-03-19

Virtual fuel sensor for dual fuel tank applications

#191
20090056684
2009-03-05

Low emission dimethyl ether (DME) engine

#192
20090056430
2009-03-05

Weak refuel detection system and method for virtual flex fuel sensor system

#193
20080312810
2008-12-18

Controller for internal combustion engine

#194
20080302342
2008-12-11

Method of fuel conversion for engine and an apparatus of the same

#195
20080288158
2008-11-20

Control for knock suppression fluid separator in a motor vehicle

#196
20080283023
2008-11-20

System and method for tip-in knock compensation

#197
20080282998
2008-11-20

Ethanol fuel reforming system for internal combustion engines

#198
20080262701
2008-10-23

Alternate fuel blending system and associated method

#199
20080257284
2008-10-23

System and method for the co-generation of fuel having a closed-loop energy cycle

#200
20080250702
2008-10-16

FUEL DILUTION

#201
20080246955
2008-10-09

Method of detecting alcohol concentration and alcohol concentration detecting apparatus

#202
20080245350
2008-10-09

SYSTEM AND METHOD FOR USING VEGETABLE OIL AS FUEL FOR DIESEL ENGINES

#203
20080228375
2008-09-18

Spark ignition type internal combustion engine

#204
20080184976
2008-08-07

Method of and Apparatus For Co-Fuelling Diesel Engines

#205
20080163854
2008-07-10

Fully automatic fuel system for diesel engines operated with diesel and vegetable oil

#206
20080156303
2008-07-03

Single nozzle direct injection system for rapidly variable gasoline/anti-knock agents mixtures

#207
20080141984
2008-06-19

Fuel supply system

#208
20080120008
2008-05-22

Flex-fuel variable displacement engine control system and method

#209
20080115759
2008-05-22

Flex-fuel variable displacement engine control system and method

#210
20080100309
2008-05-01

Liquid property sensor

#211
20080098996
2008-05-01

Device for enhancing combustion efficiency

#212
20080098987
2008-05-01

Common rail supplementary atomizer for piston engines

#213
20080098727
2008-05-01

Selective oxidation catalyst injection based on temperature

#214
20080092859
2008-04-24

Vegetable oil fuel system for diesel engines

#215
20080072881
2008-03-27

Purge system for ethanol direct injection plus gas port fuel injection

#216
20080066721
2008-03-20

DIESEL ENGINE CONVERSION TO USE ALTERNATIVE FUELS

#217
20080060620
2008-03-13

Diesel engine conversion to use alternative fuels

#218
20070295412
2007-12-27

Emission Control Devices

#219
20070295307
2007-12-27

System and method for engine with fuel vapor purging

#220
20070277794
2007-12-06

Alternate fuel storage system and method

#221
20070271899
2007-11-29

Method For Supplying Energy And System Therefor

#222
20070264602
2007-11-15

VAPOR FUEL COMBUSTION SYSTEM

#223
20070245720
2007-10-25

Method and system for reducing pollutant emissions of a power system

#224
20070245719
2007-10-25

System for increasing efficiency of an SCR catalyst

#225
20070240687
2007-10-18

Fuel control system and associated method

#226
20070234976
2007-10-11

Apparatus with mixed fuel separator and method of separating a mixed fuel

#227
20070227493
2007-10-04

Injector-ignition for an internal combustion engine

#228
20070219701
2007-09-20

Method of controlling compression-ignition internal combustion engine

#229
20070215127
2007-09-20

Apparatus with mixed fuel separator and method of separating a mixed fuel

#230
20070215125
2007-09-20

Apparatus with mixed fuel separator and method of separating a mixed fuel

#231
20070215072
2007-09-20

Apparatus with mixed fuel separator and method of separating a mixed fuel

#232
20070215071
2007-09-20

Apparatus with mixed fuel separator and method of separating a mixed fuel

#233
20070215069
2007-09-20

Control for knock suppression fluid separator in a motor vehicle

#234
20070175459
2007-08-02

Fuel control system and associated method

#235
20070119435
2007-05-31

Engine monitoring and performance control system

#236
20070119425
2007-05-31

System and method for tip-in knock compensation

#237
20070119424
2007-05-31

Purge system for ethanol direct injection plus gas port fuel injection

#238
20070119420
2007-05-31

Method for controlling injection timing of an internal combustion engine

#239
20070119412
2007-05-31

Engine with two port fuel injectors

#240
20070119411
2007-05-31

System and method for engine with fuel vapor purging

#241
20070119410
2007-05-31

System and method for engine fuel blend control

#242
20070119390
2007-05-31

SYSTEM AND METHOD FOR OPERATING AN INTERNAL COMBUSTION ENGINE

#243
20070084447
2007-04-19

DME fuel supply device for diesel engine

#244
20070074683
2007-04-05

Far Infrared Emitting Compositions and Devices Using the Same for Improving Fuel Consumption and Exhaust Gas of Internal Combustion Engines

#245
20070056569
2007-03-15

System and method for fueling diesel engines with vegetable oil

#246
20070012091
2007-01-18

Vehicle mounted type fuel testing apparatus

#247
20060260562
2006-11-23

System and method for the co-generation of fuel having a closed-loop energy cycle

#248
20060254535
2006-11-16

Engine on pulsed fuel additive concentrate dosing system and controller

#249
20060254133
2006-11-16

Method and device for operating a diesel motor using a fuel that comprises vegetable oils or recycled vegetable oils

#250
20060180099
2006-08-17

Method for controlling compression ignition internal combustion engine

#251
20060137332
2006-06-29

Vehicle with a supply unit

#252
20060081230
2006-04-20

Method for verification of at least one given fuel mixture ratio

#253
20060081223
2006-04-20

Heat exchanger module

#254
20060065246
2006-03-30

Multiple pump fuel delivery system

#255
20060037589
2006-02-23

Heat pipe for heating of gasoline for on-board octane segregation

#256
20050224055
2005-10-13

Device for determining fuel quality and corresponding method

#257
20050217642
2005-10-06

Fuel supply system for an internal combustion engine

#258
20050145223
2005-07-07

DME fuel supply device for diesel engine

#259
20050072384
2005-04-07

Duel fuel selection and blending injectors on internal combustion engines

#260
20050065710
2005-03-24

Fuel property determination system

#261
18361117
2024-06-11

System and method for measuring fluid delivery from a multi-fluid injector

#262
17204264
2022-04-12

Methods and systems for operating a vehicle with two fuel tanks