ClassID:

138804

F02B43/04 - CPC Classification

Classification description:

Engines characterised by operating on gaseous fuels; Plants including such engines; Engines characterised by means for increasing operating efficiency for improving efficiency of combustion

Recent Application in this class:
#1
20250257684
2025-08-14

HYDROGEN ENGINE

#2
20230033387
2023-02-02

Engine

#3
20220412251
2022-12-29

DUAL ZONE COOLING SYSTEM FOR COMBINED ENGINE COMPRESSORS

#4
20220003190
2022-01-06

Thermal cracker for combustible and flammable liquids for engines

#5
20210324789
2021-10-21

Engine

#6
20210062766
2021-03-04

Fuel supply system for the active purging of an antechamber of a spark-ignition internal combustion engine, using fuel vapor or a fuel vapor/air mixture, with the aid of a fuel evaporator upstream from the antechamber

#7
20210040883
2021-02-11

Percutaneous access pathway system

#8
20200318532
2020-10-08

Engine

#9
20200277893
2020-09-03

DUAL ZONE COOLING SYSTEM FOR COMBINED ENGINE COMPRESSORS

#10
20200158031
2020-05-21

System and process for improving emission performance in engines

#11
20190376441
2019-12-12

Pre-Chamber Spark Plug

#12
20190301360
2019-10-03

Engine

#13
20190271264
2019-09-05

REDUCED DIESEL FUEL CONSUMPTION USING MONATOMIC OXYGEN

#14
20190226410
2019-07-25

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

#15
20190017448
2019-01-17

System and process for improving emission performance in engines

#16
20190001304
2019-01-03

Oxidation catalyst for compressed natural gas combustion system exhaust gas

#17
20180363543
2018-12-20

Wellhead gas conditioner methods and uses thereof

#18
20180363542
2018-12-20

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

#19
20180313256
2018-11-01

Prechamber for an internal combustion engine, internal combustion engine comprising a prechamber of this type and method for designing and/or producing a prechamber of this type

#20
20180298840
2018-10-18

Engine device

#21
20180051220
2018-02-22

SMALL INTERNAL COMBUSTION ENGINE FUELS

#22
20180030907
2018-02-01

Natural gas fuel reformer control for lean burn gas engines

#23
20170184061
2017-06-29

Efficient thermal energy power engine and working method thereof

#24
20170167367
2017-06-15

Wellhead gas conditioner methods and uses thereof

#25
20170145960
2017-05-25

Systems and methods for a hydrogen fuel system

#26
20170101948
2017-04-13

MONITORING AN ENGINE BY MEANS OF CYLINDER PRESSURE SENSORS, PREFERABLY IN LEAN GAS ENGINES WITH A FLUSHED PRECHAMBER

#27
20170096948
2017-04-06

Engine

#28
20170082040
2017-03-23

Engine device

#29
20170082019
2017-03-23

Airborne engine additive delivery system

#30
20160273443
2016-09-22

Parallel prechamber ignition system

#31
20160245151
2016-08-25

Pre-combustion-chamber type gas engine

#32
20160237887
2016-08-18

INTERNAL COMBUSTION ENGINE SYSTEM AND METHOD

#33
20160169098
2016-06-16

Lubrication oil and internal-combustion engine fuel

#34
20160169085
2016-06-16

Internal combustion engine

#35
20160153354
2016-06-02

REDUCED DIESEL FUEL CONSUMPTION USING MONATOMIC OXYGEN

#36
20160108857
2016-04-21

APPARATUS AND METHOD OF IMPROVING VOLUMETRIC EFFICIENCY IN AN INTERNAL COMBUSTION ENGINE

#37
20160108329
2016-04-21

SMALL INTERNAL COMBUSTION ENGINE FUELS

#38
20160097348
2016-04-07

VEHICLE

#39
20160061094
2016-03-03

Pre-chamber

#40
20160040592
2016-02-11

Split cycle engine and method of operation

#41
20150198083
2015-07-16

DUAL-FUEL ENGINE HAVING EXTENDED VALVE OPENING

#42
20150113857
2015-04-30

LIQUID FUEL COMPOSITIONS

#43
20150107538
2015-04-23

Alcohol reforming system for internal combustion engine

#44
20150059316
2015-03-05

Method for improving fuel efficiency of vehicle and exclusive energy saving and emission reduction device thereof

#45
20150020764
2015-01-22

Ignition system for low grade synthesis gas at high compression

#46
20140290596
2014-10-02

Reformer enhanced alcohol engine

#47
20140209057
2014-07-31

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

#48
20140202134
2014-07-24

Method for controlling a heat recovery device in an internal combustion engine

#49
20140150737
2014-06-05

Hydronic Catalyst Device for Internal Combustion Engines

#50
20130298862
2013-11-14

Fuel reforming process for internal combustion engines

#51
20130298861
2013-11-14

Isoprenoid based alternative diesel fuel

#52
20130019837
2013-01-24

Combustion chamber for large gas engine

#53
20120031371
2012-02-09

METHOD FOR OPERATING AN INTERNAL COMBUSTION ENGINE HAVING SPARK IGNITION

#54
20110179715
2011-07-28

Fuel reforming process for internal combustion engines

#55
20110061622
2011-03-17

FUEL COMPOSITION

#56
20110005478
2011-01-13

Pre-chamber

#57
20100307725
2010-12-09

Fuel reforming process for internal combustion engines

#58
20100219805
2010-09-02

Apparatus and methods for boosting electrical power

#59
20100071263
2010-03-25

FUEL REFORMING PROCESS FOR INTERNAL COMBUSTION ENGINES

#60
20090107423
2009-04-30

FUEL REFORMING PROCESS FOR INTERNAL COMBUSTION ENGINES

#61
20080202449
2008-08-28

Engine System

#62
20070105928
2007-05-10

6-Pentafluorophenyl-triazolopyrimidines, method for their production and their use for combating pathogenic fungi, in addition to agents containing said substances

#63
20060231075
2006-10-19

Fuel pump system with precision variable restrictor

#64
20050217639
2005-10-06

Glow ring ignition assist for internal combustion engine

#65
20050133002
2005-06-23

Hydrogen combustion engine

#66
15386924
2019-05-14

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