ClassID:

140697

F02M21/0281 - CPC Classification

Classification description:

Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels; Details on the gaseous fuel supply system, e.g. tanks, valves, pipes, pumps, rails, injectors or mixers; Injectors Adapters, sockets or the like to mount injection valves onto engines; Fuel guiding passages between injectors and the air intake system or the combustion chamber

Recent Application in this class:
#1
20260092583
2026-04-02

HYDROGEN ENGINE

#2
20250146457
2025-05-08

Liquid Injected Propane Fuel System

#3
20240392736
2024-11-28

INJECTOR FOR GASEOUS FUEL

#4
20240360806
2024-10-31

INTAKE RUNNER FOR GASEOUS FUEL ENGINE, SYSTEM, AND METHOD

#5
20240247622
2024-07-25

Intake runner for gaseous fuel engine, system, and method

#6
20240175411
2024-05-30

Fuel supply device with injector and vapor management

#7
20240173834
2024-05-30

FASTENER-DRIVING TOOL WITH MULTIPLE COMBUSTION CHAMBERS AND USABLE WITH FUEL CANISTERS OF VARYING LENGTHS

#8
20240125292
2024-04-18

INJECTOR WITH INTEGRATED FILTER

#9
20230374955
2023-11-23

Injector sleeve for an injector, and blowing device and internal combustion engine

#10
20230323842
2023-10-12

Internal combustion engine

#11
20230123915
2023-04-20

Fuel supply device with injector and vapor management

#12
20230095893
2023-03-30

Internal combustion engine

#13
20220072692
2022-03-10

Fastener-driving tool with multiple combustion chambers and usable with fuel canisters of varying lengths

#14
20200325855
2020-10-15

Liquid injected propane fuel system

#15
20200032722
2020-01-30

Mixture formation device for a gas engine and gas engine

#16
20190323416
2019-10-24

Precombustion chamber gas engine

#17
20190170090
2019-06-06

Spark plug with supply passage for fuel, and a system with same

#18
20190168367
2019-06-06

Fastener-driving tool with multiple combustion chambers and usable with fuel canisters of varying lengths

#19
20190145353
2019-05-16

Apparatus and method for filling LPG vehicle with LPG

#20
20190032544
2019-01-31

Internal combustion engine with gas feeding system

#21
20180106227
2018-04-19

Fuel injector mounting system for mounting an injector to an engine cylinder liner

#22
20180023517
2018-01-25

Low pressure natural gas direct injection fuel injector assembly

#23
20170356389
2017-12-14

Apparatus and method for filling LPG vehicle with LPG

#24
20170328310
2017-11-16

Directly-injecting gas injector providing improved cooling

#25
20170321636
2017-11-09

Gas injector including an outwardly opening valve closure element

#26
20170306891
2017-10-26

Direct injection gas injector with an elastomer seal

#27
20170298847
2017-10-19

MODULES AND SUB-MODULES FOR USE IN CONVERTING A MARINE VESSEL TO GASEOUS FUEL

#28
20160312685
2016-10-27

Gas engine and assembling method for gas engine

#29
20160298554
2016-10-13

Purge system for a dual-fuel engine

#30
20160252045
2016-09-01

Cylinder head

#31
20160252006
2016-09-01

Cylinder head

#32
20160252005
2016-09-01

Pre-chamber gas valve

#33
20160245151
2016-08-25

Pre-combustion-chamber type gas engine

#34
20160230730
2016-08-11

System and method for introducing gas into engine cylinder

#35
20160222921
2016-08-04

Gaseous fuel mixer and method

#36
20160222920
2016-08-04

Gaseous fuel mixer and shutoff valve

#37
20160032868
2016-02-04

Systems for thermal management of engine valves

#38
20160003117
2016-01-07

Efficiency and emissions improvements for natural gas conversions of EMD 2-cycle medium speed engines

#39
20150361925
2015-12-17

Dual fuel common rail engine with co-axial quill assembly

#40
20150322894
2015-11-12

Gaseous fuel admixing device for a gas-powered internal combustion engine

#41
20150233330
2015-08-20

FUEL INJECTION ADAPTERS AND RELATED SYSTEMS AND METHODS

#42
20150204285
2015-07-23

Multi-fuel engine system

#43
20150204284
2015-07-23

Multi-fuel engine system

#44
20150176475
2015-06-25

Uniflow-scavenging-type two-cycle engine

#45
20150047614
2015-02-19

Dual fuel system for internal combustion engine and leakage limiting seal strategy for same

#46
20140338633
2014-11-20

Fuel injector assembly and fuel injection system

#47
20140311451
2014-10-23

Dual fuel system and engine system operating method

#48
20140305408
2014-10-16

Cylinder head with fuel guiding portion

#49
20140251259
2014-09-11

Prechamber system for an internal combustion engine

#50
20140196686
2014-07-17

Gaseous common rail fuel system and high compression ratio engine using same

#51
20140165958
2014-06-19

Precombustion chamber for gas engine

#52
20140123936
2014-05-08

Debris robust fuel injector with co-axial control valve members and fuel system using same

#53
20140116392
2014-05-01

Fuel system for a dual-fuel engine

#54
20140116391
2014-05-01

FUEL SYSTEM HAVING AN INJECTOR BLOCKING MEMBER

#55
20140116388
2014-05-01

FUEL SYSTEM RETROFIT KIT FOR AN ENGINE

#56
20140069384
2014-03-13

Control apparatus and method for an internal combustion engine

#57
20140034024
2014-02-06

Control device and method for internal combustion engine

#58
20140034020
2014-02-06

Co-axial quill assembly retainer and dual fuel common rail engine using same

#59
20140021272
2014-01-23

Liquid phase injection tip icing prevention

#60
20130340713
2013-12-26

Injector system

#61
20130327296
2013-12-12

Dual fuel common rail engine with co-axial quill assembly

#62
20130233279
2013-09-12

Fuel injection assembly

#63
20130233274
2013-09-12

Fuel injector icing

#64
20130146029
2013-06-13

Independent fuel injection system of CNG engine

#65
20130112171
2013-05-09

Fuel injection adapters and related systems and methods

#66
20120085322
2012-04-12

Internal Combustion Engine as well as Retrofitting/Conversion Kit for such an Internal Combustion Engine

#67
20120018541
2012-01-26

Gas fuel injection valve

#68
20100251993
2010-10-07

BI-FUEL INTERNAL COMBUSTION ENGINE

#69
20090302136
2009-12-10

INJECTOR

#70
20090151698
2009-06-18

System and Method for Providing an Air/Fuel Mixture for an Internal-Combustion Engine

#71
20080308051
2008-12-18

Solenoid valve assembly for a combustible gas supply device to an endothermic engine

#72
20080271706
2008-11-06

Hydrogen gas injector plug for diesel engines

#73
20080184964
2008-08-07

Fuel injection system with cross-flow nozzle for enhanced compressed natural gas jet spray

#74
20080156297
2008-07-03

Hydrogen gas injector plug

#75
20080110418
2008-05-15

Fuel evaporator system for vaporizing liquid fuels to be used within combustion-powered devices

#76
20080041343
2008-02-21

FUEL INJECTION SYSTEM WITH CROSS-FLOW NOZZLE FOR ENHANCED COMPRESSED NATURAL GAS JET SPRAY

#77
20080011887
2008-01-17

Fuel injector having an external cross-flow nozzle for enhanced compressed natural gas jet spray

#78
20080006713
2008-01-10

FUEL INJECTOR HAVING AN INTERNALLY MOUNTED CROSS-FLOW NOZZLE FOR ENHANCED COMPRESSED NATURAL GAS JET SPRAY

#79
20070169740
2007-07-26

Bolted pre-combustion chamber

#80
20070079815
2007-04-12

Fuel delivery system

#81
20070057096
2007-03-15

Gas valve

#82
20070029413
2007-02-08

Gaseous fuel injection valve

#83
20060231785
2006-10-19

Valve for controlling a fluid

#84
20060124112
2006-06-15

Fuel delivery system

#85
20060060681
2006-03-23

Fuel injection system

#86
20050279321
2005-12-22

Method of injecting a gaseous fuel into an internal combustion engine

#87
20050235949
2005-10-27

Gaseous fuel injection valve

#88
20050082393
2005-04-21

Direct fuel injector assembly for a compressible natural gas engine