ClassID:

140695

F02M21/0275 - CPC Classification

Classification description:

Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels; Details on the gaseous fuel supply system, e.g. tanks, valves, pipes, pumps, rails, injectors or mixers; Injectors for in-cylinder direct injection, e.g. injector combined with spark plug

Recent Application in this class:
#1
20260153066
2026-06-04

GASEOUS FUEL INJECTION VALVE

#2
20260043380
2026-02-12

SOLENOID VALVE

#3
20250389236
2025-12-25

ENGINE SYSTEM, PISTON, AND OPERATING METHOD FOR PSEUDO-TUMBLE MIXING OF HYDROGEN FUEL AND AIR

#4
20250369406
2025-12-04

FUEL INJECTOR FOR DIRECT INJECTION OF GASEOUS FUEL

#5
20250290480
2025-09-18

FUEL INJECTOR ASSEMBLY HAVING SLEEVE WITH FLOW-DIRECTING CAP AND ENGINE SYSTEM USING SAME

#6
20250257703
2025-08-14

ENHANCED FUEL MIXING SYSTEMS FOR DIRECT INJECTED NATURAL GAS ENGINES, AND DEVICES AND METHODS THEREOF

#7
20250215842
2025-07-03

INJECTION DEVICE

#8
20250215836
2025-07-03

CONTROLLER FOR INTERNAL COMBUSTION ENGINE

#9
20250154922
2025-05-15

GASEOUS INJECTOR PREPARATION METHOD FOR COLD ENGINE START

#10
20250067229
2025-02-27

CYLINDER HEAD

#11
20250052216
2025-02-13

INJECTOR FOR GASEOUS FUEL

#12
20250043753
2025-02-06

FUEL INJECTOR SUITABLE FOR GASEOUS FUEL

#13
20240352904
2024-10-24

INTERNAL COMBUSTION ENGINE AND METHOD FOR OPERATING AN INTERNAL COMBUSTION ENGINE

#14
20240344490
2024-10-17

FUEL INJECTOR FOR GASEOUS FUEL AND VALVE ASSEMBLY FOR THE SAME

#15
20240344489
2024-10-17

FUEL INJECTOR FOR GASEOUS FUEL AND VALVE ASSEMBLY FOR THE SAME

#16
20240337224
2024-10-10

Internal combustion engine and controller for internal combustion engine

#17
20240254949
2024-08-01

Apparatuses and methods for fuel injection and ignition in an internal combustion engine

#18
20240247608
2024-07-25

APPARATUSES AND METHODS FOR FUEL INJECTION AND/OR IGNITION IN AN INTERNAL COMBUSTION ENGINE

#19
20240200521
2024-06-20

Fuel nozzle having different first and second discharge orifices for providing a hydrogen-air mixture

#20
20240200517
2024-06-20

Internal combustion engine

#21
20240183326
2024-06-06

Conditioning of a pre-chamber gas flow for a combustion engine

#22
20240167436
2024-05-23

GASEOUS FUEL INJECTOR

#23
20240077051
2024-03-07

INJECTOR FOR INJECTING GAS

#24
20240035431
2024-02-01

Injector for Introducing, in Particular for Directly Injecting Gaseous Fuel into a Combustion Chamber of an Internal Combustion Chamber, and Gas Engine

#25
20240018914
2024-01-18

Hydrogen pressure maintaining system of hydrogen fuel engine and control method for the same

#26
20230374955
2023-11-23

Injector sleeve for an injector, and blowing device and internal combustion engine

#27
20230323842
2023-10-12

Internal combustion engine

#28
20230304458
2023-09-28

Injector for a combustion engine, in particular of a motor vehicle, and combustion engine for a motor vehicle

#29
20230272762
2023-08-31

SOLENOID VALVE

#30
20230095893
2023-03-30

Internal combustion engine

#31
20230047309
2023-02-16

Spark ignition internal combustion engine

#32
20230027612
2023-01-26

Multi-stage flame acceleration device and method for gas-fuel engine

#33
20220228527
2022-07-21

Lube oil controlled ignition engine combustion

#34
20220144402
2022-05-12

Zero Emissions Marine Engine

#35
20220112835
2022-04-14

METHOD FOR OPERATING A HYDROGEN FUELLED COMBUSTION ENGINE

#36
20220003155
2022-01-06

METHOD OF INJECTING AMMONIA FUEL INTO A RECIPROCATING ENGINE

#37
20210355865
2021-11-18

Lube oil controlled ignition engine combustion

#38
20210088003
2021-03-25

System for adapting an internal combustion engine to be powered by gaseous fuel in gas phase and by gaseous fuel in liquid phase

#39
20210079874
2021-03-18

Fuel injector

#40
20200277907
2020-09-03

Method for operating a gas engine

#41
20200240366
2020-07-30

FLUID VALVE AND METHOD FOR CONTROLLING THE SUPPLY OF FLUID

#42
20200080519
2020-03-12

Fuel system for an internal combustion engine

#43
20200063694
2020-02-27

Method for activating an injector

#44
20200025154
2020-01-23

Twin outlet check liquid fuel injector for dual fuel system

#45
20190186419
2019-06-20

Fluid injector and needle for a fluid injector

#46
20190170090
2019-06-06

Spark plug with supply passage for fuel, and a system with same

#47
20190145367
2019-05-16

Control device for compression-ignition engine

#48
20190120133
2019-04-25

System and method for reducing NOx emissions for natural gas engines

#49
20190085776
2019-03-21

DIESEL TO NATURAL GAS CONVERSION SYSTEM

#50
20190063338
2019-02-28

Fuel injection device of engine

#51
20190032618
2019-01-31

Deposit mitigation for gaseous fuel injectors

#52
20190032544
2019-01-31

Internal combustion engine with gas feeding system

#53
20190024578
2019-01-24

Lube oil controlled ignition engine combustion

#54
20190010878
2019-01-10

Combustion gas injector assembly and method

#55
20180363592
2018-12-20

Gaseous fuel injectors

#56
20180363591
2018-12-20

Low Pressure Gaseous Fuel Injector Shroud

#57
20180313260
2018-11-01

Method of controlling gas engine

#58
20180298848
2018-10-18

Method and systems for gaseous and liquid propane injection

#59
20180223754
2018-08-09

Method and device for injecting a gaseous fuel

#60
20180202395
2018-07-19

Vehicle comprising a pressurized liquid fuel system and method for operating a pressurized liquid fuel system

#61
20180142654
2018-05-24

Assembly consisting of a cylinder head and a fuel injector

#62
20180142632
2018-05-24

Gaseous fuel internal combustion engine and operating method therefor

#63
20180106227
2018-04-19

Fuel injector mounting system for mounting an injector to an engine cylinder liner

#64
20180100449
2018-04-12

Operating a gaseous fuel injector

#65
20180094594
2018-04-05

Reducing unburned hydrocarbon emissions in gaseous fueled lean-burn engines

#66
20180066571
2018-03-08

Internal combustion engine and method for operating an internal combustion engine

#67
20180023517
2018-01-25

Low pressure natural gas direct injection fuel injector assembly

#68
20180003131
2018-01-04

Fuel injector for operation with combustible gas

#69
20170328310
2017-11-16

Directly-injecting gas injector providing improved cooling

#70
20170328309
2017-11-16

Gas injector including lift dethrottling

#71
20170328266
2017-11-16

Internal Combustion Engine, Pre-Chamber Insert, And Fuel Injector

#72
20170321636
2017-11-09

Gas injector including an outwardly opening valve closure element

#73
20170306891
2017-10-26

Direct injection gas injector with an elastomer seal

#74
20170306890
2017-10-26

Internal combustion engine

#75
20170167359
2017-06-15

Pre-chamber of an internal combustion engine

#76
20170167358
2017-06-15

Pre-chamber of internal combustion engine

#77
20170138312
2017-05-18

FUEL RAIL ASSEMBLIES

#78
20170130657
2017-05-11

Method and system for operating gaseous-fuelled direct injection internal combustion engine

#79
20170096932
2017-04-06

Passive prechamber direct injection combustion

#80
20170030299
2017-02-02

LPG DIRECT INJECTION ENGINE

#81
20170022937
2017-01-26

Internal Combustion Engine Having a Splitted Fuel Admission and a Respective Combustion Process

#82
20160363082
2016-12-15

Natural gas engines to reduce NOx emissions

#83
20160348571
2016-12-01

Combustion system for gaseous fueled internal combustion engine

#84
20160312685
2016-10-27

Gas engine and assembling method for gas engine

#85
20160298588
2016-10-13

Fuel injection nozzle having an anti-leakage device

#86
20160258400
2016-09-08

Fuel valve for injecting gaseous fuel into a combustion chamber of a self-igniting internal combustion engine, engine, method and use

#87
20160252045
2016-09-01

Cylinder head

#88
20160252006
2016-09-01

Cylinder head

#89
20160252005
2016-09-01

Pre-chamber gas valve

#90
20160245244
2016-08-25

Fuel tank system

#91
20160245192
2016-08-25

Systems and methods for improving torque response of an engine

#92
20160245151
2016-08-25

Pre-combustion-chamber type gas engine

#93
20160215683
2016-07-28

Internal combustion engine

#94
20160195051
2016-07-07

Fuel gas feed and ignition apparatus for a gas engine

#95
20160195003
2016-07-07

Fuel gas feed and ignition apparatus for a gas engine

#96
20160186673
2016-06-30

Apparatus and method for igniting a gaseous fuel in a direct injection internal combustion engine

#97
20160138510
2016-05-19

ENGINE CONTROL APPARATUS

#98
20160061099
2016-03-03

UNIFLOW SCAVENGING 2-CYCLE ENGINE

#99
20160061098
2016-03-03

UNIFLOW SCAVENGING 2-CYCLE ENGINE

#100
20160053734
2016-02-25

Valve for injecting gas

#101
20160024995
2016-01-28

Ignition device with pre-combustion chamber

#102
20160017845
2016-01-21

Air-enriched gaseous fuel direct injection for an internal combustion engine

#103
20160010538
2016-01-14

Precombustion-chamber fuel supply device for gas internal combustion engine

#104
20160003117
2016-01-07

Efficiency and emissions improvements for natural gas conversions of EMD 2-cycle medium speed engines

#105
20150377185
2015-12-31

Injector, in particular an injector for gaseous fuels

#106
20150377184
2015-12-31

Integrated gas nozzle check valve and engine using same

#107
20150369177
2015-12-24

Engine system having piezo actuated gas injector

#108
20150369143
2015-12-24

Engine system having hydraulically actuated gas injector

#109
20150345454
2015-12-03

Fuel injector

#110
20150308362
2015-10-29

Mid-cycle fuel injection strategies

#111
20150307076
2015-10-29

Systems and methods for improving torque response of an engine

#112
20150307075
2015-10-29

Systems and methods for supplying gaseous fuel to an engine

#113
20150292441
2015-10-15

Cryogenic fuel injection and combustion

#114
20150292440
2015-10-15

Directly injecting gas valve

#115
20150267659
2015-09-24

Gas injector having a dual valve needle

#116
20150267648
2015-09-24

Gas injector having two sealing regions

#117
20150260115
2015-09-17

UNIFLOW SCAVENGING 2-CYCLE ENGINE

#118
20150204276
2015-07-23

Gas injector for the direct injection of gaseous fuel into a combustion chamber

#119
20150204275
2015-07-23

Gas injector for the direct injection of gaseous fuel into a combustion chamber

#120
20150176475
2015-06-25

Uniflow-scavenging-type two-cycle engine

#121
20150053180
2015-02-26

Method and system for gaseous and liquid fuel injection

#122
20150047599
2015-02-19

COMBUSTION CHAMBER STRUCTURE FOR DIRECT INJECTION ENGINE

#123
20150047350
2015-02-19

System and method for operating an engine combusting liquefied petroleum gas

#124
20150040858
2015-02-12

FUEL SYSTEM FOR AN INTERNAL COMBUSTION ENGINE

#125
20150028239
2015-01-29

Auxiliary chamber gas supplying device for gas engine

#126
20150014565
2015-01-15

Check valve driving device for injecting gas

#127
20150001430
2015-01-01

Check valve for injecting gas

#128
20150000640
2015-01-01

Fuel system having sealed injection port

#129
20140345563
2014-11-27

Integrated fuel injectors and igniters and associated methods of use and manufacture

#130
20140338633
2014-11-20

Fuel injector assembly and fuel injection system

#131
20140263697
2014-09-18

Integrated fuel injectors and igniters and associated methods of use and manufacture

#132
20140261328
2014-09-18

Regenerative intensifier and associated systems and methods

#133
20140209057
2014-07-31

Method for modifying combustion chamber in a reciprocating piston internal combustion engine and resulting engine

#134
20140196686
2014-07-17

Gaseous common rail fuel system and high compression ratio engine using same

#135
20140165958
2014-06-19

Precombustion chamber for gas engine

#136
20140130777
2014-05-15

Detection method of airtight failure in working-gas circulating type gas engine, and working-gas circulating type gas engine using the method

#137
20140123937
2014-05-08

Dual fuel injection valve

#138
20140116393
2014-05-01

Fuel system having a cooled injector

#139
20140116392
2014-05-01

Fuel system for a dual-fuel engine

#140
20140116391
2014-05-01

FUEL SYSTEM HAVING AN INJECTOR BLOCKING MEMBER

#141
20140114552
2014-04-24

Combined fueling strategy for gaseous fuel

#142
20140102403
2014-04-17

Gas engine, control system and control method for gas engine

#143
20130306029
2013-11-21

Direct Injection Gas Engine and Method

#144
20130299610
2013-11-14

Gas fuel injection valve

#145
20130291841
2013-11-07

Two-stroke engine and four-stroke engine

#146
20130276746
2013-10-24

Multifuel storage, metering and ignition system

#147
20130247885
2013-09-26

Two-stroke engine and four-stroke engine

#148
20130160742
2013-06-27

Dual fuel injector with crossover valve

#149
20130133624
2013-05-30

Two-cycle engine

#150
20130082126
2013-04-04

PRESSURE BALANCED GASEOUS FUEL INJECTOR AND METHOD FOR MAKING THE SAME

#151
20130054124
2013-02-28

Method of monitoring check valves arranged in gas feed lines of a gas engine

#152
20130019588
2013-01-24

Method of controlling a direct-injection gaseous-fuelled internal combustion engine system with a selective catalytic reduction converter

#153
20120310510
2012-12-06

Control system and control method of gas engine

#154
20120285428
2012-11-15

Working gas circulation type engine

#155
20120216773
2012-08-30

INJECTION OF GASEOUS FUELS

#156
20120160221
2012-06-28

Method and apparatus of fuelling an internal combustion engine with hydrogen and methane

#157
20120145125
2012-06-14

Fuel injector actuator assemblies and associated methods of use and manufacture

#158
20120085314
2012-04-12

USE OF PRESSURIZED FUELS IN AN INTERNAL COMBUSTION ENGINE

#159
20120067326
2012-03-22

Internal combustion engine with high efficiency

#160
20120067325
2012-03-22

METHOD FOR OPERATING AN INTERNAL COMBUSTION ENGINE AND INTERNAL COMBUSTION ENGINE IN ACCORDANCE WITH SAID METHOD

#161
20120031371
2012-02-09

METHOD FOR OPERATING AN INTERNAL COMBUSTION ENGINE HAVING SPARK IGNITION

#162
20120024251
2012-02-02

Gas engine having a laser ignition device

#163
20110308495
2011-12-22

Control method of precombustion chamber type engine

#164
20110297128
2011-12-08

Internal combustion engine, combustion charge formation system, and method

#165
20110265463
2011-11-03

AMMONIA BURNING INTERNAL COMBUSTION ENGINE

#166
20110259298
2011-10-27

Knocking control system for gas engine

#167
20110259285
2011-10-27

AMMONIA BURNING INTERNAL COMBUSTION ENGINE

#168
20110233308
2011-09-29

Integrated fuel injector igniters suitable for large engine applications and associated methods of use and manufacture

#169
20110224889
2011-09-15

Knocking control system for gas engine

#170
20110214649
2011-09-08

Control System for Gas Engine

#171
20110214639
2011-09-08

Gas engine

#172
20110209691
2011-09-01

Working gas circulation engine

#173
20110108000
2011-05-12

APPARATUS AND METHOD FOR OPERATING AN ENGINE WITH NON-FUEL FLUID INJECTION

#174
20110100322
2011-05-05

Device for igniting a fuel/air mixture

#175
20110088655
2011-04-21

Fuel injection control method for a direct injection gaseous-fuelled internal combustion engine

#176
20110056466
2011-03-10

Working gas circulation engine

#177
20110048381
2011-03-03

Fuel injector actuator assemblies and associated methods of use and manufacture

#178
20110048371
2011-03-03

Ceramic insulator and methods of use and manufacture thereof

#179
20110042476
2011-02-24

Integrated fuel injectors and igniters and associated methods of use and manufacture

#180
20100288249
2010-11-18

Internal combustion engine with ammonia fuel

#181
20100236509
2010-09-23

Hydrogen engine using a recirculating working medium

#182
20100229838
2010-09-16

Dual fuel compression ignition engines and methods

#183
20100183993
2010-07-22

Integrated fuel injectors and igniters and associated methods of use and manufacture

#184
20100108023
2010-05-06

Multifuel storage, metering and ignition system

#185
20100089364
2010-04-15

Method and apparatus for automatic pressure balancing of industrial large-bore internal combustion engines

#186
20100043758
2010-02-25

Fuel injection apparatus

#187
20090188476
2009-07-30

Working-gas-circulation-type engine

#188
20090173322
2009-07-09

Internal combustion engine

#189
20090084348
2009-04-02

Method Of Accurately Metering A Gaseous Fuel That Is Injected Directly Into A Combustion Chamber Of An Internal Combustion Engine

#190
20090076709
2009-03-19

Method and device for integrative control of gas engine

#191
20090071438
2009-03-19

Method and device for controlling starting of gas engine

#192
20090056684
2009-03-05

Low emission dimethyl ether (DME) engine

#193
20090012698
2009-01-08

Gas-fueled internal combustion engine and control method for gas-fueled internal combustion engine

#194
20080306674
2008-12-11

Method for controlling combustion in an internal combustion engine and predicting performance and emissions

#195
20080271706
2008-11-06

Hydrogen gas injector plug for diesel engines

#196
20080245349
2008-10-09

Internal combustion engine and control method thereof

#197
20080243356
2008-10-02

Method and apparatus for controlling fuel reforming under low-load operating conditions using exhaust recompression in a homogeneous charge compression ignition engine

#198
20080156297
2008-07-03

Hydrogen gas injector plug

#199
20080135005
2008-06-12

Integrated gaseous fuel delivery system

#200
20080125955
2008-05-29

Control strategy to better usage of fuel in gaseous engine

#201
20080103676
2008-05-01

Direct injection gaseous-fuelled engine and method of controlling fuel injection pressure

#202
20080099002
2008-05-01

Injection strategy to maximize efficiency in gaseous engine

#203
20080041034
2008-02-21

EXHAUST GAS PURIFICATION FOR A HYDROGEN ENGINE

#204
20070079598
2007-04-12

Gaseous fuel engine charge density control system

#205
20070073467
2007-03-29

Method for controlling combustion in an internal combustion engine and predicting performance and emissions

#206
20070062192
2007-03-22

Air and fuel supply system for combustion engine

#207
20070057096
2007-03-15

Gas valve

#208
20060254560
2006-11-16

Method of injecting a gaseous fuel into an internal combustion engine

#209
20060236975
2006-10-26

Method for injecting gaseous fuels into an internal combustion engine at high pressures

#210
20060180128
2006-08-17

Stuck-open failure detection system for gas-fuel injection valve

#211
20050279321
2005-12-22

Method of injecting a gaseous fuel into an internal combustion engine

#212
20050257769
2005-11-24

Control method and apparatus for gaseous fuelled internal combustion engine

#213
20050252996
2005-11-17

Fuel injection nozzle for DME fuel, and diesel engine including the fuel injection nozzle for DME fuel

#214
20050235948
2005-10-27

Diesel engine DME fuel supply device

#215
20050224057
2005-10-13

Fuel return device for internal combustion engine

#216
20050217639
2005-10-06

Glow ring ignition assist for internal combustion engine

#217
20050199746
2005-09-15

Valve device and method for injecting a gaseous fuel

#218
20050183692
2005-08-25

Air and fuel supply system for combustion engine

#219
20050126155
2005-06-16

Hydrogen motor

#220
20050082393
2005-04-21

Direct fuel injector assembly for a compressible natural gas engine

#221
18533171
2024-05-07

Fuel supplying device for internal combustion engine

#222
18487684
2024-10-01

Direct in cylinder injector for gaseous fuel

#223
16389299
2020-09-01

Engine and method for exhaust aftertreatment

#224
15144774
2018-05-08

Prechamber for internal combustion engine