ClassID:

138808

F02B2043/103 - CPC Classification

Classification description:

Engines characterised by operating on gaseous fuels; Plants including such engines; Engines or plants characterised by use of other specific gases, e.g. acetylene, oxyhydrogen Natural gas, e.g. methane or LNG used as a fuel

Recent Application in this class:
#1
20250347256
2025-11-13

Multifuel Automotive Engine-Derived Systems for Clean Grid Load Balancing and Non-Grid Electricity Applications

#2
20250122850
2025-04-17

COMPRESSION EMISSIONS EVACUATOR

#3
20250035062
2025-01-30

FUEL AGNOSTIC COMPRESSION IGNITION ENGINE

#4
20240287945
2024-08-29

Multifuel Automotive Engine-Derived Systems for Clean Grid Load Balancing and Non-Grid Electricity Applications

#5
20240159207
2024-05-16

SYSTEM FOR FUELING ELECTRIC POWERED HYDRAULIC FRACTURING EQUIPMENT WITH MULTIPLE FUEL SOURCES

#6
20240117783
2024-04-11

Compression emissions evacuator

#7
20240084766
2024-03-14

COMPRESSION EMISSIONS EVACUATOR

#8
20240084765
2024-03-14

Compression emissions evacuator

#9
20240077104
2024-03-07

Crankshafts and Systems for Natural Gas Compression

#10
20230420950
2023-12-28

Natural Gas Generator System

#11
20230383635
2023-11-30

Mobile hybrid power platform

#12
20230358164
2023-11-09

NATURAL GAS ENGINE

#13
20230294486
2023-09-21

TRANSPORTATION REFRIGERATION UNIT

#14
20230287822
2023-09-14

Exhaust treatment system for dual fuel engines

#15
20230279802
2023-09-07

Pre-Chamber Combustion Systems and Methods

#16
20230258143
2023-08-17

Full agnostic compression ignition engine

#17
20230235654
2023-07-27

Natural Gas Fracturing Engine System and Method

#18
20230212997
2023-07-06

Fuel agnostic compression ignition engine

#19
20230175431
2023-06-08

METHODS AND SYSTEMS FOR MULTI-FUEL ENGINE

#20
20230167765
2023-06-01

Natural gas engine

#21
20230100914
2023-03-30

METHOD FOR OPERATION OF AN INDUSTRIAL PLANT AND AN INDUSTRIAL PLANT

#22
20230073196
2023-03-09

Far square tumble flow engine

#23
20230046905
2023-02-16

Generator Drive System on Engine Drive Compressor Applications

#24
20230042829
2023-02-09

Multifuel automotive engine-derived systems for clean grid load balancing and non-grid electricity applications

#25
20220412251
2022-12-29

DUAL ZONE COOLING SYSTEM FOR COMBINED ENGINE COMPRESSORS

#26
20220349359
2022-11-03

Fuel agnostic compression ignition engine

#27
20220228527
2022-07-21

Lube oil controlled ignition engine combustion

#28
20220097817
2022-03-31

Use of hydrogen and liquid natural gas hybrid fuel in marine applications to reduce carbon footprint

#29
20220010758
2022-01-13

System for fueling electric powered hydraulic fracturing equipment with multiple fuel sources

#30
20210355865
2021-11-18

Lube oil controlled ignition engine combustion

#31
20210268896
2021-09-02

Motor vehicle having a pressure vessel, and operating method for a motor vehicle

#32
20210131661
2021-05-06

Emissions eliminator by total combustion

#33
20210115831
2021-04-22

Method and system for a hybrid vehicle

#34
20200318562
2020-10-08

Fuel type prediction from mass flow measurements and thermal conductivity sensor

#35
20200277893
2020-09-03

DUAL ZONE COOLING SYSTEM FOR COMBINED ENGINE COMPRESSORS

#36
20200248596
2020-08-06

Heated inlet of a crankcase ventilation system

#37
20200141303
2020-05-07

Oil injection methods for combustion enhancement in natural gas reciprocating engines

#38
20200131984
2020-04-30

Operation of internal combustion engine with improved fuel efficiency

#39
20200018262
2020-01-16

Purging natural gas compressors

#40
20190383185
2019-12-19

APPARATUS AND METHOD FOR DESULFATION OF A CATALYST USED IN A LEAN BURN METHANE SOURCE FUELED COMBUSTION SYSTEM

#41
20190351988
2019-11-21

Boil-off gas re-liquefying method for LNG ship

#42
20190284987
2019-09-19

Liquid and gaseous multi-fuel compression ignition engines

#43
20190211757
2019-07-11

Internal Combustion Engine Fuel Gas Blending System

#44
20190120151
2019-04-25

Fuel type prediction from mass flow measurements and thermal conductivity sensor

#45
20190120133
2019-04-25

System and method for reducing NOx emissions for natural gas engines

#46
20190024578
2019-01-24

Lube oil controlled ignition engine combustion

#47
20190001304
2019-01-03

Oxidation catalyst for compressed natural gas combustion system exhaust gas

#48
20180347456
2018-12-06

Method for controlling a high pressure gas injection internal combustion engine

#49
20180335232
2018-11-22

Artificial aspiration device for a compressed natural gas engine

#50
20180320610
2018-11-08

Method for controlling an internal combustion engine

#51
20180320589
2018-11-08

Turbocharged natural-gas engine

#52
20180278124
2018-09-27

System for fueling electric powered hydraulic fracturing equipment with multiple fuel sources

#53
20180238216
2018-08-23

Apparatus and method for desulfation of a catalyst used in a lean burn methane source fueled combustion system

#54
20180209356
2018-07-26

Engine-driven electricity generation system using diesel engine from scrapped vehicle capable of using both diesel and LNG

#55
20180209326
2018-07-26

Fully flexible, self-optimizing, digital hydraulic engines and methods with preheat

#56
20180171853
2018-06-21

Method and system for reducing emissions from an internal combustion engine

#57
20180163668
2018-06-14

Natural gas fuel system for an internal combustion engine

#58
20180142629
2018-05-24

Mitigation of intermittent cylinder misfire on dual fuel engines

#59
20180112145
2018-04-26

Lubricating oil compositions comprising a biodiesel fuel and a dispersant

#60
20180038336
2018-02-08

Device for preventing back fire of engine and method using the same

#61
20180038311
2018-02-08

Combined heat and power system

#62
20180030941
2018-02-01

System and method for reducing vapor generation in liquefied natural gas fueled vehicle

#63
20180029465
2018-02-01

Vehicle with natural gas storage array

#64
20180015446
2018-01-18

Oxidation catalyst for a stoichiometric natural gas engine

#65
20170306918
2017-10-26

COMPRESSION-IGNITION TYPE INTERNAL COMBUSTION ENGINE, AND INTERNAL COMBUSTION ENGINE

#66
20170306835
2017-10-26

Method and system for generating a mechanical output and producing reaction products in a parallel manner

#67
20170298873
2017-10-19

Natural gas fuel system for an internal combustion engine

#68
20170268463
2017-09-21

Cooling system for cryogenic fuel delivery components

#69
20170241312
2017-08-24

Particulate filter

#70
20170226922
2017-08-10

Lean-burn pre-combustion chamber

#71
20170218727
2017-08-03

System for fueling electric powered hydraulic fracturing equipment with multiple fuel sources

#72
20170167443
2017-06-15

VEHICLE NATURAL GAS FUEL SUPPLY SYSTEMS

#73
20170145970
2017-05-25

System including duel fuel injection engine and method of operation

#74
20170114756
2017-04-27

CARBON COLLECTION AND UNTHROTTLED ENGINE OPERATION

#75
20170089278
2017-03-30

System and method for controlling an engine air-fuel ratio

#76
20170082042
2017-03-23

GAS SUBSTITUTION CONTROL SYSTEM AND METHOD FOR BI-FUEL ENGINE

#77
20170074183
2017-03-16

Natural gas engine system with improved transient response

#78
20170067415
2017-03-09

Bi-fuel vehicle

#79
20170058837
2017-03-02

Direct injection system and method

#80
20170051708
2017-02-23

Vehicle powertrain with onboard catalytic reformer

#81
20170051649
2017-02-23

METHOD FOR REGENERATING CATALYST FOR OXIDIZING COMPRESSED NATURAL GAS VEHICLE EXHAUST GAS

#82
20170036904
2017-02-09

Refueling systems and methods for mixed liquid and gaseous fuel

#83
20170022882
2017-01-26

Liquid and gaseous multi-fuel compression ignition engines

#84
20160369748
2016-12-22

OIL RETAINING AMOUNT DETERMINATION DEVICE

#85
20160363082
2016-12-15

Natural gas engines to reduce NOx emissions

#86
20160341134
2016-11-24

FUEL DELIVERY SYSTEM

#87
20160326946
2016-11-10

Fuel combustion system, nozzle for prechamber assembly with curved orifices, and method of making same

#88
20160319560
2016-11-03

COGENERATION PLANT

#89
20160290281
2016-10-06

Combined heat and power system

#90
20160273443
2016-09-22

Parallel prechamber ignition system

#91
20160258396
2016-09-08

Engine device

#92
20160258387
2016-09-08

Flex fuel field generator

#93
20160195041
2016-07-07

Stable combustion in spark-ignited lean-burn engine

#94
20160178105
2016-06-23

Exhaust outlet elbow bolt pattern

#95
20160169142
2016-06-16

System and method for optimal fueling of an engine

#96
20160160741
2016-06-09

DUAL FUEL ENGINE WITH MICRO-PILOT FUEL INJECTOR

#97
20160115860
2016-04-28

Spark-ignition engine

#98
20160108833
2016-04-21

SYSTEM AND METHOD FOR CONTROLLING AIR-FUEL RATIO OF CNG ENGINE

#99
20160097348
2016-04-07

VEHICLE

#100
20160032844
2016-02-04

IC ENGINE CYLINDER AND PISTON

#101
20160025042
2016-01-28

Temperature control of a fluid discharged from a heat exchanger

#102
20150308390
2015-10-29

Separation chamber type anti-surge valve and commercial vehicle turbocharger system applying the same

#103
20150300297
2015-10-22

Exhaust system for spark-ignited gaseous fuel internal combustion engine

#104
20150300247
2015-10-22

Natural gas engine and operation method for natural gas engine

#105
20150275824
2015-10-01

GAS-FIRED ENGINE

#106
20150247469
2015-09-03

Dual fuel injection system

#107
20150218981
2015-08-06

System and method for reducing friction

#108
20150167588
2015-06-18

ENHANCED METHANE FORMATION IN REFORMING CATALYSTS

#109
20150167587
2015-06-18

Vehicle powertrain with onboard catalytic reformer

#110
20150040856
2015-02-12

Ship, fuel gas supply apparatus, and fuel gas supply method

#111
20150001101
2015-01-01

ADSORBED NATURAL GAS STORAGE

#112
20150000643
2015-01-01

LOCOMOTIVE BI-FUEL CONTROL SYSTEM

#113
20140311837
2014-10-23

Safety brake system for trailers

#114
20140025277
2014-01-23

Control system for multi-fuel internal combustion engine

#115
20130168969
2013-07-04

Flex fuel field generator

#116
20130146029
2013-06-13

Independent fuel injection system of CNG engine

#117
20130042599
2013-02-21

Exhaust device for an internal combustion engine

#118
20120255511
2012-10-11

Natural Gas-Steam Powered Automotive Vehicle

#119
20110126809
2011-06-02

Portable gas powered internal combustion engine arrangement

#120
17712576
2022-12-06

Low compression natural gas engine piston bowl for improved combustion stability

#121
17457071
2023-08-22

Mobile hybrid power platform

#122
15386924
2019-05-14

System comprising duel-fuel and after treatment for heavy-heavy duty diesel (HHDD) engines

#123
15296181
2018-02-27

Control system for an engine cylinder with fuel control of pre chamber and main chamber

#124
14533983
2015-05-26

Dual fuel injection system