ClassID:

138915

F02B2075/1808 - CPC Classification

Classification description:

Other engines; Engines characterised by number of cylinders, e.g. single-cylinder engines; Multi-cylinder engines; Number of cylinders two

Recent Application in this class:
#1
20260002463
2026-01-01

ENGINE AND EXHAUST STRUCTURE

#2
20250109724
2025-04-03

EVAPORATIVE EMISSIONS CONTROL FOR A VEHICLE

#3
20250067226
2025-02-27

INTERNAL COMBUSTION ENGINE SYSTEM

#4
20250067207
2025-02-27

INTERNAL COMBUSTION ENGINE SYSTEM

#5
20250027461
2025-01-23

STIRLING CYCLE MACHINE

#6
20240384691
2024-11-21

MISFIRE DETECTION APPARATUS AND MISFIRE DETECTION METHOD FOR MULTI-CYLINDER ENGINE

#7
20240369450
2024-11-07

ENGINE ASSEMBLY FOR A VEHICLE AND METHOD FOR DETERMINING PISTON TEMPERATURE IN AN ENGINE

#8
20240141828
2024-05-02

V-type engine and work machine

#9
20240084773
2024-03-14

Engine start abnormality diagnosis apparatus

#10
20240003305
2024-01-04

METHOD OF OPERATING AN INTERNAL COMBUSTION ENGINE OF A TRUCK OR OMNIBUS

#11
20230332557
2023-10-19

Cooling system for air-cooled engine

#12
20230235718
2023-07-27

Fuel rail and assembly

#13
20230175462
2023-06-08

Evaporative emissions control for a vehicle

#14
20230096904
2023-03-30

Two-cylinder reciprocating engine

#15
20220345004
2022-10-27

Linear electric device

#16
20220333522
2022-10-20

Multiple cylinder engine

#17
20220275769
2022-09-01

Cooling system for air-cooled engine

#18
20220251981
2022-08-11

Control system and method to mitigate reverse oil flow to the combustion chamber on deactivated cylinders

#19
20220090568
2022-03-24

Engine intake structure

#20
20220026118
2022-01-27

Stirling cycle machine

#21
20220025767
2022-01-27

Opposed piston engine

#22
20220003161
2022-01-06

Multiple cylinder engine

#23
20220003160
2022-01-06

Multiple cylinder engine

#24
20220003159
2022-01-06

Multiple cylinder engine

#25
20210381426
2021-12-09

Hub-hub connection for a power unit

#26
20210332748
2021-10-28

V-type OHV engine

#27
20210277823
2021-09-09

Power unit

#28
20210239040
2021-08-05

Engine balancing system

#29
20210148318
2021-05-20

Fuel rail and assembly

#30
20210091631
2021-03-25

Linear electric device having reciprocating movement linked to rotational movement of a shaped cam

#31
20210003121
2021-01-07

PROCESS FOR OPERATING A SINGLE-STROKE COMBUSTION ENGINE

#32
20210003070
2021-01-07

Double-cylinder internal combustion engine

#33
20200378344
2020-12-03

Evaporative emissions control for a vehicle

#34
20200277946
2020-09-03

Dual engine-compressor system

#35
20200271076
2020-08-27

Internal combustion engine

#36
20200263602
2020-08-20

Piston internal combustion engine with generator

#37
20200141312
2020-05-07

Opposed piston engine

#38
20200132005
2020-04-30

Internal combustion engine

#39
20200088126
2020-03-19

Engine block for an internal combustion engine

#40
20200040880
2020-02-06

Dual engine-compressor system

#41
20200011269
2020-01-09

Engine

#42
20190390630
2019-12-26

Cooling system for air-cooled engine

#43
20190376437
2019-12-12

Standby generator alternator adapter with engine cooling air intake

#44
20190309679
2019-10-10

Internal combustion engine with paired, parallel, offset pistons

#45
20190264776
2019-08-29

Power unit

#46
20190178199
2019-06-13

Port belt arrangement

#47
20190170055
2019-06-06

TWO-STROKE ENGINE WITH IMPROVED PERFORMANCE

#48
20190136721
2019-05-09

Variable valve timing system for an engine

#49
20190093609
2019-03-28

Intake manifold

#50
20190085808
2019-03-21

Wheeled vehicle

#51
20190085761
2019-03-21

Power unit

#52
20190063312
2019-02-28

Otto-cycle engine

#53
20190039668
2019-02-07

Family of three-wheeled straddle-seat vehicles

#54
20190032554
2019-01-31

Generator set

#55
20190003380
2019-01-03

Engine assembly including cam for Z-type engines

#56
20180363548
2018-12-20

Internal combustion engine with paired, parallel, offset pistons

#57
20180291836
2018-10-11

Stirling cycle machine

#58
20180283328
2018-10-04

Running gear structure of internal combustion engine

#59
20180283300
2018-10-04

Sensing system layout structure of internal combustion engine

#60
20180258845
2018-09-13

Homogeneous charge compression ignition linear generator

#61
20180179991
2018-06-28

Evaporative emissions control for a vehicle

#62
20180115217
2018-04-26

Power train including cylinder block water jacket having motor cooling port

#63
20180111470
2018-04-26

Power train apparatus

#64
20180111468
2018-04-26

Power train

#65
20180094577
2018-04-05

Internal combustion engine with paired, parallel, offset pistons

#66
20180087461
2018-03-29

Dual-fuel internal combustion engine

#67
20180073595
2018-03-15

POWER TRAIN

#68
20180023452
2018-01-25

Internal combustion engine

#69
20170291596
2017-10-12

Control device for hybrid vehicle

#70
20170284292
2017-10-05

Apparatus for increasing efficiency in reciprocating type engines

#71
20170254388
2017-09-07

Crankshaft having balance weight

#72
20170234214
2017-08-17

Power unit

#73
20170226925
2017-08-10

Power unit

#74
20170211529
2017-07-27

FUEL SUPPLY DEVICE FOR V-TYPE TWO-CYLINDER GENERAL PURPOSE ENGINE

#75
20170211469
2017-07-27

INTERNAL COMBUSTION ENGINE

#76
20170167327
2017-06-15

2-cylinder hybrid engine with oil supply system

#77
20170067434
2017-03-09

Method for actuating a spark gap

#78
20170058825
2017-03-02

Cooling system for air-cooled engine

#79
20170022909
2017-01-26

Rotary valve engine

#80
20170009884
2017-01-12

Multi-stage combustion hot-gas/steam pressure-differential parallel-cylinder opposed-piston engine for natural gas, hydrogen and other fuels with integrated electric generator

#81
20170009844
2017-01-12

Device for damping torsional oscillations

#82
20160355081
2016-12-08

Hybrid drive system for a motor vehicle, and method of operating a motor vehicle

#83
20160237886
2016-08-18

INTERNAL COMBUSTION ENGINES

#84
20160003185
2016-01-07

Internal combustion engine having a split crankcase

#85
20150369180
2015-12-24

Systems and methods for stopping and starting an engine with dedicated EGR

#86
20150128886
2015-05-14

Oil passage structure of dry sump engine and oil passage structure of V-shaped dry sump engine

#87
20150083060
2015-03-26

COMBUSTION AND VAPOR CYCLE LOBED ROTOR ENGINE

#88
20150047336
2015-02-19

Stirling cycle machine

#89
20140261264
2014-09-18

Variable valve timing apparatus and internal combustion engine incorporating the same

#90
20130327297
2013-12-12

Method for refreshing the injection law of a fuel injector

#91
20130146014
2013-06-13

Two-Cylinder Engine

#92
20130112160
2013-05-09

Four-stroke cycle engine

#93
20130081597
2013-04-04

Structure for preventing surge of 2-cylinder engine

#94
20120227717
2012-09-13

Two-stroke engines

#95
20110226200
2011-09-22

AXIAL FLOAT PLATE

#96
20110174260
2011-07-21

Internal combustion engine

#97
20110162599
2011-07-07

Counterpoise engine

#98
20110030548
2011-02-10

Energy conversion devices and systems including the same

#99
20110011079
2011-01-20

Stirling cycle machine

#100
20100192923
2010-08-05

Internal combustion engines

#101
20080296790
2008-12-04

Intake air and carburetor heating arrangement for v-twin engines

#102
20080127915
2008-06-05

Motor engine family

#103
20080035124
2008-02-14

Intake air and carburetor heating arrangement for V-twin engines

#104
20070105465
2007-05-10

Watercraft Having a Four Stroke Engine with a Supercharger

#105
20070102215
2007-05-10

Induction System for a Four Cycle Engine

#106
20070079814
2007-04-12

EMISSIONS CONTROL SYSTEM FOR SMALL INTERNAL COMBUSTION ENGINES

#107
20070068465
2007-03-29

Watercraft having a four stroke engine with a supercharger

#108
20060243225
2006-11-02

Intake air and carburetor heating arrangements for V-twin engines

#109
20050264014
2005-12-01

Generator including vertically shafted engine

#110
20050247498
2005-11-10

Engine arrangement for a snowmobile

#111
20050235946
2005-10-27

Internal combustion engine

#112
20050150474
2005-07-14

Internal combustion engine

#113
20050103553
2005-05-19

Component arrangement for an all terrain vehicle

#114
20050038594
2005-02-17

Engine cycle recognition for fuel delivery

#115
20050029815
2005-02-10

Generator including vertically shafted engine

#116
20050016474
2005-01-27

Intake air and carburetor heating arrangement for V-twin engines

#117
18754220
2025-12-30

Engine and exhaust structure

#118
16861437
2022-02-22

UAV propulsion system with dual rotary valves and multi-compartment crankcase

#119
16291659
2019-10-15

Opposed piston engine with serial combustion chambers

#120
15261658
2018-05-08

Tethered piston engine

#121
14659702
2017-01-17

Hybrid all-terrain, four-wheel drive vehicle with two cylinder engine