ClassID:

138964

F02B77/04 - CPC Classification

Classification description:

Component parts, details or accessories, not otherwise provided for Cleaning of, preventing corrosion or erosion in, or preventing unwanted deposits in, combustion engines

Sub-classes:
Recent Application in this class:
#1
20260055724
2026-02-26

Chemical Atomizer for Chemical Induction Delivery

#2
20250353660
2025-11-20

Dispenser, Method and Cleaning System for Engine Valves

#3
20250051681
2025-02-13

Compositions for Engine Carbon Removal from Lubricated Components

#4
20250027442
2025-01-23

AUTOMATED FLUSHING SYSTEM

#5
20240200490
2024-06-20

HYDROPHILIC POLYETHER AMINE SOLUTION AND USES THEREOF

#6
20240159184
2024-05-16

Compositions for Engine Carbon Removal and Methods and Apparatus for Removing Carbon

#7
20240084730
2024-03-14

Compositions for Engine Carbon Removal and Methods and Apparatus for Removing Carbon

#8
20240060447
2024-02-22

Compositions for Engine Carbon Removal and Methods and Apparatus for Removing Carbon

#9
20240035421
2024-02-01

Throttle body with reduced deposit accumulation and enhanced thermal conductivity

#10
20230340904
2023-10-26

METHOD OF MANUFACTURING CASING OF TURBOCHARGER AND CASING OF TURBOCHARGER

#11
20230177895
2023-06-08

METHOD FOR DESCALING A COMBUSTION ENGINE BY HYDROGEN INJECTION AND DESCALING STATION FOR IMPLEMENTING SAME

#12
20230046418
2023-02-16

Cleaning system for an engine exhaust cooler

#13
20230026966
2023-01-26

MACHINE, SYSTEM AND METHOD FOR THE FILTRATION, DISINFECTION AND PURIFICATION OF FUEL IN CONTAMINATED TANKS

#14
20220351552
2022-11-03

Method for cleaning engine deposits

#15
20220349340
2022-11-03

Oscillating assembly, exhaust system and method of using

#16
20220135900
2022-05-05

Compositions for Engine Carbon Removal from Lubricated Components

#17
20220128014
2022-04-28

Systems, methods and apparatuses for wet stack residue mitigation

#18
20220128000
2022-04-28

Vacuum-source adapter for administering a cleaning fluid

#19
20220090537
2022-03-24

System and method for cleaning deposit from a component of an assembled, on-wing gas turbine engine

#20
20220088618
2022-03-24

Vented nozzle for air blow gun

#21
20220082049
2022-03-17

Compositions for Engine Carbon Removal and Methods and Apparatus for Removing Carbon - III - C1

#22
20220065188
2022-03-03

INTERNAL COMBUSTION ENGINE INCLUDING AN ELEMENT AT THE CYLINDER INNER WALL FOR SCRAPING OFF OIL CARBON

#23
20220025286
2022-01-27

Use and method to reduce deposits in compression ignition internal combustion engines

#24
20220003163
2022-01-06

Compositions for Engine Carbon Removal and Methods and Apparatus for Removing Carbon

#25
20210189955
2021-06-24

Engine valve cleaning system

#26
20210138979
2021-05-13

Maintenance cover member

#27
20210131371
2021-05-06

Systems, methods and apparatuses for wet stack residue mitigation

#28
20210115847
2021-04-22

Systems for cleaning internal combustion engine intake valves

#29
20200410786
2020-12-31

Apparatus for cleaning engine deposits

#30
20200400067
2020-12-24

Automatic cleaned drain piping system on crosshead type two-stroke engines, having a slow rotating centreless flexible spiral auger fixed mounted in the piping system

#31
20200386192
2020-12-10

Mixture formation unit and two stroke engine having a mixture formation unit

#32
20200370500
2020-11-26

Engine control device, engine control method, and engine system

#33
20200370474
2020-11-26

Systems for the reduction of intake valve deposits and methods

#34
20200355116
2020-11-12

Intake cleaner and dispense mechanism

#35
20200353901
2020-11-12

Real time fuel additization

#36
20200347781
2020-11-05

Method of using oscillating assembly and exhaust system

#37
20200340397
2020-10-29

Induction cleaning using alternate layers of a first chemistry and a second chemistry

#38
20200338606
2020-10-29

Apparatus and method for cleaning industrial parts

#39
20200306825
2020-10-01

Thermal processing of cylinder liners

#40
20200271070
2020-08-27

METHOD FOR ACCELERATING FOULING OF INJECTORS IN GASOLINE DIRECT INJECTION ENGINES AND FOR EVALUATING PERFORMANCE OF DEPOSIT CONTROL ADDITIVES

#41
20200271054
2020-08-27

Compositions for Engine Carbon Removal and Methods and Apparatus for Removing Carbon

#42
20200256208
2020-08-13

A METHOD FOR CLEANING A TURBOFAN ENGINE AND APPARATUS FOR USE THEREOF

#43
20200200112
2020-06-25

Abnormality diagnosis device for in-cylinder pressure sensor

#44
20200200078
2020-06-25

Combustion control system for engine

#45
20200191050
2020-06-18

Chemical delivery rates to remove carbon deposits from the internal combustion engine

#46
20200182147
2020-06-11

Fuel injector cleaning system, fluid, and method

#47
20200173358
2020-06-04

Automated engine cleaning system and method

#48
20200165533
2020-05-28

Fuel additive for cleaning an internal combustion engine

#49
20200149469
2020-05-14

Cleaning system for a vehicle component

#50
20200131986
2020-04-30

Cleaning installation for an internal combustion engine

#51
20200055101
2020-02-20

Cleaning engine intake valves and surrounding intake areas

#52
20200040271
2020-02-06

Quaternary ammonium amide and/or ester salts

#53
20200032701
2020-01-30

Cleaning installation for an internal combustion engine

#54
20190376449
2019-12-12

Engine system having containment blanket and method of improving engine safety

#55
20190366507
2019-12-05

BLASTING PROBE FOR INTRODUCING A GRANULAR BLASTING MATERIAL INTO A CAVITY

#56
20190360393
2019-11-28

DIESEL ENGINE CLEANING SYSTEM AND METHOD OF USING THE SAME

#57
20190359914
2019-11-28

Alkyl hydroxybutyrate cleaning composition and method of cleaning air intake valve deposits

#58
20190353096
2019-11-21

Chemical delivery rates to remove carbon deposits from the internal combustion engine

#59
20190338667
2019-11-07

Automatic Turbocharger Cleaning Device

#60
20190264609
2019-08-29

METHOD OF CLEANING AN INTERNAL COMBUSTION ENGINE AND SYSTEM THEREFOR

#61
20190218965
2019-07-18

Fluid delivery port of an integral cylinder head

#62
20190195184
2019-06-27

Method for maximizing the formation of deposits in injector nozzles of GDI engines

#63
20190178158
2019-06-13

Systems for the Reduction of Intake Valve Deposits and Methods

#64
20190162115
2019-05-30

Internal combustion cleaning

#65
20190136775
2019-05-09

Systems and methods for conducting onboard engine cleaning routines in a vehicle

#66
20190085764
2019-03-21

Pressure sensor cleaning device

#67
20190048795
2019-02-14

Engine compartment flammable fluid drainage system

#68
20190032618
2019-01-31

Deposit mitigation for gaseous fuel injectors

#69
20190003350
2019-01-03

Exhaust valve assembly for a two-stroke internal combustion engine and method for cleaning same

#70
20190002780
2019-01-03

DETERGENT ADDITIVE FOR FUEL

#71
20180363549
2018-12-20

Method of removing carbons from vehicle engine

#72
20180320624
2018-11-08

DEPOSIT ESTIMATION DEVICE AND COMBUSTION SYSTEM CONTROL DEVICE

#73
20180313265
2018-11-01

Fuel injector cleaning system, fluid, and method

#74
20180313264
2018-11-01

System for descaling an internal combustion engine

#75
20180298815
2018-10-18

Method for cleaning continuously variable valve timing system

#76
20180291803
2018-10-11

Ultrasonic cleaning system and method

#77
20180275016
2018-09-27

Sensor failure diagnostic apparatus

#78
20180251703
2018-09-06

Compositions for Engine Carbon Removal from Lubricated components

#79
20180247468
2018-08-30

Method for cleaning engine deposits

#80
20180245536
2018-08-30

Engine control apparatus

#81
20180245510
2018-08-30

Engine control apparatus

#82
20180238231
2018-08-23

Compositions for Engine Carbon Removal and Methods and Apparatus for Removing Carbon - III

#83
20180238230
2018-08-23

Compositions for Engine Carbon Removal and Methods and Apparatus for Removing Carbon

#84
20180238229
2018-08-23

Compositions for engine carbon removal and methods and apparatus for removing carbon

#85
20180236636
2018-08-23

Universal adapter

#86
20180223835
2018-08-09

Wear-resistant coating for oil pump cavity

#87
20180216567
2018-08-02

Opposed piston engine cylinder with carbon scraper

#88
20180209333
2018-07-26

Apparatus and method for engine cleaning

#89
20180209055
2018-07-26

Compound green-energy purification device

#90
20180161827
2018-06-14

Apparatus and method for cleaning industrial parts

#91
20180149082
2018-05-31

Oscillating assembly, exhaust system including the same and method of using

#92
20180058305
2018-03-01

Method of remanufacturing a prechamber assembly

#93
20180036776
2018-02-08

Removing material buildup from an internal surface within a gas turbine engine system

#94
20180030890
2018-02-01

System for determining piston damage based on carbon deposit growth

#95
20180002645
2018-01-04

Composition for cleaning gasoline engine fuel delivery systems, air intake systems, and combustion chambers

#96
20170356337
2017-12-14

Demount-free electrical cleanable filter

#97
20170355924
2017-12-14

Lubricating composition containing an oxyalkylated aromatic polyol compound

#98
20170355923
2017-12-14

Lubricating composition containing an oxyalkylated aromatic polyol compound

#99
20170340996
2017-11-30

Filter System and Vehicle State Monitoring Method

#100
20170321137
2017-11-09

Quaternary ammonium amide and/or ester salts

#101
20170254288
2017-09-07

Barrier ring and assembly for a cylinder of an opposed-piston engine

#102
20170248075
2017-08-31

Systems for the reduction or elimination of intake valve deposits in gasoline direct injection engines and related methods

#103
20170241335
2017-08-24

CARBON REMOVING AND CLEANING DEVICE AND METHOD FOR ENGINE FUEL NOZZLE AND COMBUSTION CHAMBER OF AUTOMOBILE

#104
20170218798
2017-08-03

Exhaust valve assembly for a two-stroke internal combustion engine and method for cleaning same

#105
20170211472
2017-07-27

ENGINE CLEANSING DEVICE AND ENGINE CLEANSING METHOD

#106
20170198633
2017-07-13

Fuel system flush circuitry and method for operating the same

#107
20170191412
2017-07-06

HYDROGEN CARBON CLEANING METHOD FOR VEHICLE

#108
20170167371
2017-06-15

Method for preventing piston oil-up and engine employing the same

#109
20170167361
2017-06-15

Vehicle engine

#110
20170159600
2017-06-08

General purpose engine

#111
20170130649
2017-05-11

Ultrasonic cleaning system and method

#112
20170122280
2017-05-04

Fuel injector, a fuel injector assembly and an associated method

#113
20170122201
2017-05-04

Valve Cover with Integrated Filter Base

#114
20170122200
2017-05-04

Internal combustion engine efficiency

#115
20170122147
2017-05-04

METHOD AND APPRATUS FOR REDUCING EMISSIONS AND/OR REDUCING FRICTION IN AN INTERNAL COMBUSITION ENGINE

#116
20170114716
2017-04-27

Evaluation of the delivery and effectiveness of engine performance chemicals and products

#117
20170096935
2017-04-06

Method and Apparatus for Cleaning a Gas Engine

#118
20170081621
2017-03-23

Cleaning composition comprising an alkyl hydroxybutyrate and method of cleaning air intake valve deposits

#119
20170002734
2017-01-05

Carbon scraper

#120
20160349762
2016-12-01

Method and kit for preserving a fuel system of an aircraft engine

#121
20160305372
2016-10-20

SYSTEM AND METHOD FOR HYDROGEN BASED ENGINE DECARBONIZATION

#122
20160305318
2016-10-20

On-line cleaning control system and control method for carbon deposits in direct injection engine fuel system

#123
20160252025
2016-09-01

Engine refurbishment using ionized air

#124
20160250671
2016-09-01

Cleaning of a charge-air cooler in a system with exhaust gas recirculation arrangement

#125
20160215690
2016-07-28

DUAL CHEMICAL INDUCTION CLEANING METHOD AND APPARATUS FOR CHEMICAL DELIVERY

#126
20160186655
2016-06-30

On-line cleaning system and control method for carbon deposit in engine intake valve and combustion chamber

#127
20160102606
2016-04-14

Dual chemical induction cleaning method and apparatus for chemical delivery

#128
20160076456
2016-03-17

SYSTEM AND METHOD FOR PROVIDING A WASH TREATMENT TO A SURFACE

#129
20160047284
2016-02-18

Apparatus and Method for Preventing and Removing Carbon Deposits

#130
20160010547
2016-01-14

System and method for cleaning air induction path of internal combustion engine

#131
20150377121
2015-12-31

Internal Combustion Engine Efficiency

#132
20150369122
2015-12-24

METHOD FOR CLEANING A COMBUSTION CHAMBER OF AN INTERNAL COMBUSTION ENGINE, AND INTERNAL COMBUSTION ENGINE

#133
20150330333
2015-11-19

Unburned fuel venting in internal combustion engines

#134
20150275752
2015-10-01

Device for controlling in-cylinder pressure sensor

#135
20150259631
2015-09-17

Engine cleaning composition

#136
20150144086
2015-05-28

Method for auto-adding energy-saving activator and apparatus for the same

#137
20150136079
2015-05-21

Detection of coking in the intake tract of an internal combustion engine

#138
20150136002
2015-05-21

Quaternary ammonium amide and/or ester salts

#139
20150122341
2015-05-07

Engine cleaning process

#140
20150108252
2015-04-23

Internal cleaning agent for diesel engine and cleaning system using the same

#141
20150107625
2015-04-23

DIESEL ENGINE CLEANING SYSTEM AND METHOD

#142
20150101641
2015-04-16

Radial passage engine wash manifold

#143
20150034047
2015-02-05

CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE

#144
20140318507
2014-10-30

Internal combustion engine efficiency

#145
20140261555
2014-09-18

De-carbonizing process for combustion component cleaning

#146
20140069356
2014-03-13

Engine assembly with pump cavity liner and method of assembling an engine

#147
20140060462
2014-03-06

Internal combustion engine efficiency

#148
20140060460
2014-03-06

Internal combustion engine efficiency

#149
20130199505
2013-08-08

Cylinder head and internal combustion engine equipped therewith

#150
20130139780
2013-06-06

Insert for a cylinder of an internal combustion engine

#151
20130098404
2013-04-25

ENGINE CLEANING METHOD

#152
20130068188
2013-03-21

ARRANGEMENT IN A COMBUSTION ENGINE

#153
20120298084
2012-11-29

Reciprocating engine

#154
20120150415
2012-06-14

Ignition energy management with ion current feedback to correct spark plug fouling

#155
20120145113
2012-06-14

Removal of water and fuel contaminants in engine oil

#156
20120138004
2012-06-07

Quaternary ammonium amide and/or ester salts

#157
20120103286
2012-05-03

Adsorbent structures for removal of water and fuel contaminants in engine oil

#158
20120090570
2012-04-19

Method for machining, in particular for mechanical machining, of at least one exhaust-gas-conducting surface region of an internal combustion engine or crankcase part, internal combustion engine crankcase and cylinder sleeve

#159
20120071377
2012-03-22

Engine cleaning composition and method for cleaning the engine

#160
20120036715
2012-02-16

Repair method for corroded engine cylinder head

#161
20110284033
2011-11-24

CLEANING OF NATURAL GAS ASH DEPOSITS FROM COMBUSTION CHAMBERS

#162
20110203546
2011-08-25

Power assembly for internal combustion engine with welded-in piston scraper

#163
20100282205
2010-11-11

INFRARED COMPLEX AND A VEHICLE POWER IMPROVING SYSTEM USING THE INFRARED COMPLEX

#164
20100139697
2010-06-10

Method for cleaning deposits from turbocharger and supercharger compressors

#165
20100115721
2010-05-13

ENGINE CLEANING SYSTEM AND METHOD FOR CLEANING CARBON DEPOSITS IN ENGINES

#166
20100057324
2010-03-04

Ignition energy management with ion current feedback to correct spark plug fouling

#167
20100043846
2010-02-25

Enviro-Kleen Machine

#168
20100024762
2010-02-04

Sludge adhesion inhibiting structure for internal combustion engine

#169
20090241770
2009-10-01

Power assembly for internal combustion engine with welded-in piston scraper

#170
20090133718
2009-05-28

Automatic compressor stage cleaning for air boost systems

#171
20080283100
2008-11-20

METHOD FOR CLEANING INTERNAL PARTS OF GASOLINE ENGINES

#172
20080283098
2008-11-20

Method for cleaning internal parts of gasoline engines

#173
20080210204
2008-09-04

Internal combustion engine

#174
20080172819
2008-07-24

Cleaning tool assembly and method for cleaning a fuel injector

#175
20080060680
2008-03-13

Bulk supply apparatus and method for cleaning a combustion engine system

#176
20070117730
2007-05-24

Piston cleaning compositions

#177
20070084488
2007-04-19

CLEANING DEVICE FOR INTERNAL COMBUSTION ENGINE

#178
20070060492
2007-03-15

Air induction cleaner

#179
20070060491
2007-03-15

Aerosol based air intake cleaner

#180
20070054822
2007-03-08

Engine oil additive

#181
20070012342
2007-01-18

Apparatus and methods for cleaning combustion systems

#182
20060213768
2006-09-28

Electrode for a cathodic protection device

#183
20060213765
2006-09-28

Impressed current cathodic protection system for marine engine

#184
20060201472
2006-09-14

Intake valve cleaning method for a direct injection engine with computer controlled intake valves

#185
20060150941
2006-07-13

Piston with oxidation catalyst

#186
20060150940
2006-07-13

Internal combustion engine

#187
20060000439
2006-01-05

Intake-air system of V-type engine

#188
20050217613
2005-10-06

Method for reducing emission of pollutants from an internal combusion engine, and fuel emulsion comprising water and a liquid hydrocarbon

#189
20050178413
2005-08-18

Cleaning device for a combustion chamber

#190
20050115406
2005-06-02

Electric separator with a rinsing cleaning system

#191
20050028764
2005-02-10

Deposit removal for internal combustion engine

#192
20050017220
2005-01-27

Corrosion inhibiting composition

#193
18228968
2024-10-22

Internal combustion engine with coated ignition system component(s)

#194
16444790
2020-09-01

Methods and system for reducing a possibility of spark plug fouling

#195
15671281
2020-11-03

Snap-fit engine cover assembly

#196
14339658
2017-10-31

Engine coolant forward flushing apparatus and method