ClassID:

138810

F02B43/12 - 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 Methods of operating

Recent Application in this class:
#1
20260078708
2026-03-19

UNIT MANAGEMENT SYSTEM, ELECTRIC POWER GENERATING UNIT, MANAGEMENT SUPPORT EQUIPMENT, AND UNIT MANAGEMENT METHOD

#2
20260063065
2026-03-05

GASEOUS FUEL ENGINE STRATEGY BIASING PORT FUEL ADMISSION ALONG FLOW STREAMLINES

#3
20250369373
2025-12-04

VALVED-PISTON AND ACTUATOR WITH RECYCLED COMBUSTION

#4
20250327431
2025-10-23

METHOD OF OPERATING AN INTERNAL COMBUSTION ENGINE AND CORRESPONDING ARRANGEMENT

#5
20250264050
2025-08-21

HYDROGEN STORAGE POWER PLANT, AND METHOD FOR OPERATING SAME

#6
20250263625
2025-08-21

LUBRICANT COMPOSITION AND USE THEREOF FOR IMPROVING PRE-IGNITION IN HYDROGEN INTERNAL COMBUSTION ENGINE

#7
20250230765
2025-07-17

Method for Operating an Internal Combustion Engine, Internal Combustion Engine and Control Device

#8
20250198371
2025-06-19

SYSTEM AND METHOD FOR RECOVERY OF REDUNDANT GASEOUS FUEL FROM A GASEOUS FUEL SUPPLY SYSTEM

#9
20250035062
2025-01-30

FUEL AGNOSTIC COMPRESSION IGNITION ENGINE

#10
20240344479
2024-10-17

COMBUSTION CHAMBER FOR HIGH PERFORMANCE H2 DIRECT INJECTION ENGINE

#11
20240309801
2024-09-19

Explosion Safe Electrolysis Unit

#12
20240301816
2024-09-12

Electrolysis System Having In Situ Enhancement Gas Storage

#13
20240301815
2024-09-12

Ultra Low Enhancement Gas Injection

#14
20240295188
2024-09-05

Compression ignition engine with igniter and pilot injector

#15
20240287929
2024-08-29

FUEL SUPPLY DEVICE FOR SUPPLYING A FUEL AND INTERNAL COMBUSTION ENGINE

#16
20240141825
2024-05-02

HYDROGEN-OXYGEN CYCLE ENGINE AND USING METHOD THEREFOR

#17
20240093637
2024-03-21

ROLLOVER-SAFE ELECTROLYSIS UNIT FOR VEHICLES

#18
20240077016
2024-03-07

SYSTEMS FOR HHO GAS SECOND FUEL DISTRIBUTION AND CONTROL

#19
20240044285
2024-02-08

SYSTEMS AND METHODS FOR THE ON-BOARD CATALYTIC PRODUCTION OF HYDROGEN FROM AMMONIA USING A PLATE HEAT EXCHANGE CATALYST UNIT

#20
20240018897
2024-01-18

Ammonia-hydrogen blended fuel control system based on reactivity regulation

#21
20240011430
2024-01-11

AMMONIA DECOMPOSITION SYSTEM, INTERNAL COMBUSTION ENGINE SYSTEM, AND AMMONIA DECOMPOSITION METHOD

#22
20230392541
2023-12-07

SYSTEMS AND METHODS FOR A HYDROGEN ZERO EMISSIONS VEHICLE

#23
20230313759
2023-10-05

Internal combustion engine with a fuel reformer and exhaust gas recirculation

#24
20230304436
2023-09-28

Gaseous fuel reciprocating engine and operating methodology for reduced hydrogen flame speed

#25
20230294486
2023-09-21

TRANSPORTATION REFRIGERATION UNIT

#26
20230287832
2023-09-14

Method, control system and ejector system for introducing vent gas to a unit

#27
20230287287
2023-09-14

Catalytic Biogas Combined Heat and Power Generator

#28
20230265777
2023-08-24

Optimized piston temperature control in gaseous fuel hydrogen engine system

#29
20230258143
2023-08-17

Full agnostic compression ignition engine

#30
20230250781
2023-08-10

METHOD AND SYSTEM FOR OPERATING A ROBOTIC DEVICE

#31
20230212997
2023-07-06

Fuel agnostic compression ignition engine

#32
20230193810
2023-06-22

Methods and systems for multi-fuel engine

#33
20230175431
2023-06-08

METHODS AND SYSTEMS FOR MULTI-FUEL ENGINE

#34
20230114247
2023-04-13

Internal Combustion Engine

#35
20230100914
2023-03-30

METHOD FOR OPERATION OF AN INDUSTRIAL PLANT AND AN INDUSTRIAL PLANT

#36
20230084345
2023-03-16

Generation and regulation of HHO gas

#37
20230062236
2023-03-02

HHO Precision Injection System

#38
20230052188
2023-02-16

Onboard HHO Gas Generation System for Heavy Duty Trucks

#39
20230009443
2023-01-12

METHOD FOR CONTROLLING HYDROGEN COMBUSTION IN A HYDROGEN INTERNAL COMBUSTING ENGINE

#40
20220412557
2022-12-29

SYSTEM AND METHOD FOR COMBUSTION OF NON-GASEOUS FUELS AND DERIVATIVES THEREOF

#41
20220412251
2022-12-29

DUAL ZONE COOLING SYSTEM FOR COMBINED ENGINE COMPRESSORS

#42
20220372936
2022-11-24

Method for process-integrated oxygen supply of a hydrogen circulation engine comprising recirculation of a noble gas

#43
20220372935
2022-11-24

SYSTEMS AND METHODS FOR A SMART HYDROGEN INJECTION CONTROLLER

#44
20220372909
2022-11-24

Systems and methods for a hydrogen zero emissions vehicle

#45
20220349359
2022-11-03

Fuel agnostic compression ignition engine

#46
20220341361
2022-10-27

Explosion safe electrolysis unit

#47
20220307412
2022-09-29

Method for operating an internal combustion engine

#48
20220268200
2022-08-25

Fuel supply device for supplying a fuel and internal combustion engine

#49
20220260009
2022-08-18

Catalytic Biogas Combined Heat and Power Generator

#50
20220106929
2022-04-07

Hydrogen cell

#51
20220003155
2022-01-06

METHOD OF INJECTING AMMONIA FUEL INTO A RECIPROCATING ENGINE

#52
20210246825
2021-08-12

Ship drive system and retrofitting method for a ship drive system

#53
20210215073
2021-07-15

Mitigating particulate matter emission in engine exhaust

#54
20210116126
2021-04-22

System and method for combustion of non-gaseous fuels and derivatives thereof

#55
20210040884
2021-02-11

Ship drive system and retrofitting method for a ship drive system

#56
20200291875
2020-09-17

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

#57
20200277893
2020-09-03

DUAL ZONE COOLING SYSTEM FOR COMBINED ENGINE COMPRESSORS

#58
20200248656
2020-08-06

System and method of improving fuel efficiency in vehicles using HHO

#59
20200248617
2020-08-06

Cogeneration system

#60
20200248596
2020-08-06

Heated inlet of a crankcase ventilation system

#61
20200200068
2020-06-25

Diesel engine with turbulent jet ignition

#62
20200158031
2020-05-21

System and process for improving emission performance in engines

#63
20200141303
2020-05-07

Oil injection methods for combustion enhancement in natural gas reciprocating engines

#64
20200131984
2020-04-30

Operation of internal combustion engine with improved fuel efficiency

#65
20200123969
2020-04-23

Catalytic Biogas Combined Heat and Power Generator

#66
20200095924
2020-03-26

Method and system for improving fuel economy and reducing emissions of internal combustion engines

#67
20200018267
2020-01-16

Fuel reforming system and method for controlling temperature of a fuel reformer

#68
20190383212
2019-12-19

Catalytic biogas combined heat and power generator

#69
20190359904
2019-11-28

Chemical warfare agents and related compounds as fuel for internal combustion engines

#70
20190331023
2019-10-31

Adaptive protection for a multi-fuel generator system

#71
20190234322
2019-08-01

HHO Precision Injection System

#72
20190234298
2019-08-01

Temperature control for HHO injection gas

#73
20190234297
2019-08-01

Onboard HHO gas generation system for heavy duty trucks

#74
20190233956
2019-08-01

Rollover safe electrolysis unit for vehicles

#75
20190233951
2019-08-01

Explosion safe electrolysis unit

#76
20190226410
2019-07-25

Control device for internal combustion engine and control method for internal combustion engine

#77
20190226394
2019-07-25

Method and system for improving fuel economy and reducing emissions of internal combustion engines

#78
20190211757
2019-07-11

Internal Combustion Engine Fuel Gas Blending System

#79
20190145310
2019-05-16

Catalytic biogas combined heat and power generator

#80
20190136799
2019-05-09

System and method of improving fuel efficiency in vehicles using HHO

#81
20190128194
2019-05-02

NITROUS SAFETY CONTROL SYSTEM AND METHOD OF USE

#82
20190093551
2019-03-28

Energy Burst Engine

#83
20190072055
2019-03-07

Vehicle having an internal combustion engine operated by means of a gas

#84
20190017448
2019-01-17

System and process for improving emission performance in engines

#85
20180363542
2018-12-20

System, method, and device to optimize the efficiency of the combustion of gases for the production of clean energy

#86
20180347456
2018-12-06

Method for controlling a high pressure gas injection internal combustion engine

#87
20180320610
2018-11-08

Method for controlling an internal combustion engine

#88
20180320586
2018-11-08

Onboard Graphene Electrolysis System

#89
20180320585
2018-11-08

Electrolysis System Having In Situ HHO Storage

#90
20180320584
2018-11-08

Systems for HHO gas second fuel distribution and control

#91
20180298813
2018-10-18

Method for operating an internal combustion engine with a gas mixture supplied to the combustion air and produced by water electrolysis, and assembly and electrolysis device for carrying out said method

#92
20180290112
2018-10-11

Fuel enrichment method and device

#93
20180259183
2018-09-13

System and method for combustion of non-gaseous fuels and derivatives thereof

#94
20180254153
2018-09-06

Apparatus for plasma confinement and for ion separation

#95
20180252150
2018-09-06

Method for regulating an internal combustion engine

#96
20180209326
2018-07-26

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

#97
20180163669
2018-06-14

Fuel supply system and valve assembly therefor

#98
20180163668
2018-06-14

Natural gas fuel system for an internal combustion engine

#99
20180112145
2018-04-26

Lubricating oil compositions comprising a biodiesel fuel and a dispersant

#100
20180030907
2018-02-01

Natural gas fuel reformer control for lean burn gas engines

#101
20170335761
2017-11-23

MULTI-FUEL INTERNAL COMBUSTION ENGINE, FUEL SYSTEMS AND RELATED METHODS

#102
20170314738
2017-11-02

Heating and cooling system for an on-board gas adsorbent storage vessel

#103
20170306835
2017-10-26

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

#104
20170298873
2017-10-19

Natural gas fuel system for an internal combustion engine

#105
20170254259
2017-09-07

Method of generating and distributing a second fuel for an internal combustion engine

#106
20170218837
2017-08-03

Gas quality virtual sensor for an internal combustion engine

#107
20170159556
2017-06-08

PORTABLE HYDROGEN SUPPLEMENTAL SYSTEM AND METHOD FOR LOWERING PARTICULATE MATTER AND OTHER EMISSIONS IN DIESEL ENGINES AT IDLE

#108
20170082042
2017-03-23

GAS SUBSTITUTION CONTROL SYSTEM AND METHOD FOR BI-FUEL ENGINE

#109
20170051708
2017-02-23

Vehicle powertrain with onboard catalytic reformer

#110
20170037815
2017-02-09

System and method of improving fuel efficiency in vehicles using HHO

#111
20170036904
2017-02-09

Refueling systems and methods for mixed liquid and gaseous fuel

#112
20160265457
2016-09-15

Optimizing diesel fuel consumption for dual-fuel engines

#113
20160237887
2016-08-18

INTERNAL COMBUSTION ENGINE SYSTEM AND METHOD

#114
20160177860
2016-06-23

Method for direct injection of supercritical fuels

#115
20160153355
2016-06-02

Micro-cell using the process of electrolysis and air ionization with milli-amps of electricity and airflow to create a plasma that is drawn into the combustion chamber of an engine via a vacuum

#116
20160108833
2016-04-21

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

#117
20160097321
2016-04-07

Process for the crystallisation of a water-soluble compound

#118
20160025000
2016-01-28

Method and system for using the by-product of electrolysis

#119
20160017845
2016-01-21

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

#120
20160010600
2016-01-14

Engine systems that are supplied with reformed fuel

#121
20150361876
2015-12-17

HYDROGEN FLUSHED COMBUSTION CHAMBER

#122
20150275824
2015-10-01

GAS-FIRED ENGINE

#123
20150233285
2015-08-20

PROCEDURE FOR OBTAINING AND CONTROLLING CLEAN ENERGY BY USING WATER, CONVERTING WATER INTO FUEL THROUGH EXTRACTION AND USE OF HYDROGEN AND RESPECTIVE MOLECULAR GAS EXPANSION EQUIPMENT

#124
20150226113
2015-08-13

Method and system for improving fuel economy and reducing emissions of internal combustion engines

#125
20150167588
2015-06-18

ENHANCED METHANE FORMATION IN REFORMING CATALYSTS

#126
20150167587
2015-06-18

Vehicle powertrain with onboard catalytic reformer

#127
20150136273
2015-05-21

Heating and cooling system for an on-board gas adsorbent storage vessel

#128
20150136068
2015-05-21

Liquid injection for scavenging

#129
20150101926
2015-04-16

Electrolytic Cell

#130
20150101704
2015-04-16

Refueling systems and methods for mixed liquid and gaseous fuel

#131
20150089919
2015-04-02

SYSTEM AND METHOD FOR ECOLOGICALLY GENERATING AND STORING ELECTRICITY

#132
20150075451
2015-03-19

Fuel reformer for internal-combustion engine

#133
20150059664
2015-03-05

System and Method for Generating Electricity from Water

#134
20150040844
2015-02-12

ELECTRONIC CONTROL UNIT AND METHOD FOR REGULATING THE DISBURSEMENT OF HYDROGEN AND OXYGEN

#135
20150040843
2015-02-12

WATER VAPOR MANAGEMENT AND CONTROL METHODOLOGY SYSTEM FOR SINGLE AND MULTIPLE HYDROGEN FUEL CELLS USED FOR COMBUSTION AUGMENTATION IN INTERNAL COMBUSTION ENGINES AND METHOD

#136
20150040546
2015-02-12

Internal combustion engines

#137
20150027385
2015-01-29

OPERATING A POWER PLANT WITH PYROLYSIS OIL BASED FUEL

#138
20150001101
2015-01-01

ADSORBED NATURAL GAS STORAGE

#139
20150000615
2015-01-01

Emission reduction from mobile sources by on-board carbon dioxide conversion to fuel

#140
20140230777
2014-08-21

Process for powering a jet or rocket engine with water by simultaneously separating hydrogen from oxygen and igniting the hydrogen in the combustion/compression chamber

#141
20140182561
2014-07-03

Onboard CNG/CFG Vehicle Refueling and Storage Systems and Methods

#142
20140123923
2014-05-08

System and method of transducing energy from hydrogen

#143
20140109866
2014-04-24

Internal combustion engine

#144
20130291834
2013-11-07

Method and control device for operating a gasoline engine

#145
20130247873
2013-09-26

Fuel distribution in multi-fuel tank compressed gas fuel systems

#146
20130213348
2013-08-22

Energy transducer

#147
20130174800
2013-07-11

Apparatus for providing diluted fugitive gases as a fuel to an engine

#148
20130098314
2013-04-25

Emission reduction from mobile sources by on-board carbon dioxide conversion to fuel

#149
20130055985
2013-03-07

METHOD FOR OPERATING AN INTERNAL COMBUSTION ENGINE

#150
20130000570
2013-01-03

Method for operating a vehicle with a fuel reformer

#151
20130000275
2013-01-03

Engine systems and methods of operating an engine

#152
20120186542
2012-07-26

Process for powering an engine with water by simultaneously separating hydrogen from oxygen and igniting the hydrogen in the compression/combustion chamber

#153
20120180766
2012-07-19

Method and apparatus for capturing and controlling fugitive gases

#154
20120174879
2012-07-12

Rotary engine

#155
20120031353
2012-02-09

Method for operating an engine

#156
20110253072
2011-10-20

Pump control for reformate fuel storage tank

#157
20110139631
2011-06-16

GAS GENERATION AND MANAGEMENT SYSTEM

#158
20110139097
2011-06-16

GAS GENERATION AND MANAGEMENT SYSTEM

#159
20110132306
2011-06-09

Method for operating an engine with a fuel reformer

#160
20110132290
2011-06-09

Method for operating a vehicle with a fuel reformer

#161
20110132287
2011-06-09

Pump control for reformate fuel storage tank

#162
20110132285
2011-06-09

Method for operating an engine

#163
20110132284
2011-06-09

Method for operating an engine with variable charge density

#164
20110100328
2011-05-05

ELECTROLYSIS APPARATUS AND RELATED DEVICES AND METHODS

#165
20100326374
2010-12-30

Internal combustion engines

#166
20100319636
2010-12-23

Internal combustion engines

#167
20100307454
2010-12-09

Fuel distribution in multi-fuel tank compressed gas fuel systems

#168
20100307431
2010-12-09

Internal combustion engines

#169
20090308366
2009-12-17

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

#170
20090025660
2009-01-29

METHOD OF AND APPARATUS FOR HYDROGEN ENHANCED DIESEL ENGINE PERFORMANCE

#171
20080245349
2008-10-09

Internal combustion engine and control method thereof

#172
20080127950
2008-06-05

Method and apparatus for capturing and controlling fugitive gases

#173
20080017137
2008-01-24

Method of and apparatus for hydrogen enhanced diesel engine performance

#174
20070044774
2007-03-01

LPI engine system

#175
20060204909
2006-09-14

Method and apparatus for utilising fugitive gases as a supplementary fuel source

#176
20050229872
2005-10-20

System and method for operating an internal combustion engine with hydrogen blended with conventional fossil fuels

#177
18395857
2024-08-06

Hydrogen supply device and hydrogen engine vehicle

#178
18198408
2024-03-05

Preignition mitigation strategy for gaseous fuel engine

#179
17643304
2023-03-07

Methods and systems for multi-fuel engine