ClassID:

140700

F02M21/029 - 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 Arrangement on engines or vehicle bodies; Conversion to gaseous fuel supply systems

Recent Application in this class:
#1
20260078721
2026-03-19

DEVICE FOR DIRECT INJECTION OF A GASEOUS FUEL

#2
20260063093
2026-03-05

HYDROGEN REGULATION MODULE FOR A HYDROGEN INTERNAL COMBUSTION ENGINE

#3
20250012240
2025-01-09

DEVICE FOR DIRECT INJECTION OF A GASEOUS FUEL

#4
20200291875
2020-09-17

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

#5
20200217281
2020-07-09

SYSTEM AND METHOD FOR ON-BOARD ELECTROCHEMICAL UPGRADING OF HYDROCARBON FUELS

#6
20190085791
2019-03-21

Fuel module system

#7
20180369772
2018-12-27

Apparatus and method of converting water into usable fuel.

#8
20180281901
2018-10-04

Marine surface vessel

#9
20180135563
2018-05-17

Device and method for integrated annular low pressure gaseous fuel introduction

#10
20180058381
2018-03-01

Method for forming a plurality of plugs of carbonaceous material

#11
20180058380
2018-03-01

Feedstock delivery system having carbonaceous feedstock splitter and gas mixing

#12
20170298847
2017-10-19

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

#13
20170246951
2017-08-31

CNG fuel system for a vehicle

#14
20170184056
2017-06-29

Method And Apparatus For Supplying A Gaseous Fuel To An Internal Combustion Engine

#15
20170145961
2017-05-25

Locomotive on-board storage and delivery of gaseous fuel

#16
20160325769
2016-11-10

Managing a supply of gaseous fuel on a tender car

#17
20160258396
2016-09-08

Engine device

#18
20160222921
2016-08-04

Gaseous fuel mixer and method

#19
20160025042
2016-01-28

Temperature control of a fluid discharged from a heat exchanger

#20
20150292441
2015-10-15

Cryogenic fuel injection and combustion

#21
20150233330
2015-08-20

FUEL INJECTION ADAPTERS AND RELATED SYSTEMS AND METHODS

#22
20150204285
2015-07-23

Multi-fuel engine system

#23
20150204284
2015-07-23

Multi-fuel engine system

#24
20150184618
2015-07-02

Apparatus and method for transferring inflammable material on marine structure

#25
20150112506
2015-04-23

CNG fuel system for a vehicle

#26
20150096977
2015-04-09

Non-slip fuel tank bracket

#27
20150032361
2015-01-29

Engine for vehicle using alternative fuels

#28
20140373807
2014-12-25

METHOD AND APPARATUS FOR CONVERTING A DIESEL ENGINE TO BE POWERED BY NATURAL GAS

#29
20140299101
2014-10-09

Method and apparatus for supplying a gaseous fuel to an internal combustion engine

#30
20140261695
2014-09-18

Apparatus and methods for providing natural gas to multiple engines disposed upon multiple carriers

#31
20140238327
2014-08-28

Internal combustion engine for natural gas compressor operation

#32
20140215828
2014-08-07

VALVE MOUNTING FIXTURE FOR AN INTERNAL COMBUSTION ENGINE

#33
20140090729
2014-04-03

NATURAL GAS MANIFOLD FOR DUAL-FUEL TRAILERS

#34
20130061419
2013-03-14

PROPANE VACUUM

#35
20130000380
2013-01-03

Method for detecting high-pressure sealing performance of gas system after impact test of compressed natural gas vehicle

#36
20120216919
2012-08-30

LNG fuel tank system for at least one gas engine used for ship propulsion

#37
20120152215
2012-06-21

DUAL FUEL SOURCE TRAILER TRACTOR

#38
20120090527
2012-04-19

Method for operating an LNG fuelled marine vessel and a corresponding marine vessel

#39
20120085322
2012-04-12

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

#40
20120085314
2012-04-12

USE OF PRESSURIZED FUELS IN AN INTERNAL COMBUSTION ENGINE

#41
20110259303
2011-10-27

Zero-governor fitting configuration in gas engine

#42
20110232931
2011-09-29

Gas-engine-powered handheld working machine

#43
20110186012
2011-08-04

Liquid fuel injection engine

#44
20110146341
2011-06-23

GAS SUPPLY SYSTEM FOR GAS ENGINES

#45
20110126809
2011-06-02

Portable gas powered internal combustion engine arrangement

#46
20110100335
2011-05-05

FUEL DELIVERY SYSTEM

#47
20110083759
2011-04-14

LPG fueled internal combustion engine powered devices

#48
20100126788
2010-05-27

Work vehicle

#49
20100126595
2010-05-27

Cassette gas cylinder mounting structure

#50
20100077982
2010-04-01

Active air control

#51
20090283066
2009-11-19

Portable gas powered internal combustion engine arrangement

#52
20090241917
2009-10-01

Portable gas powered internal combustion engine arrangement

#53
20090241916
2009-10-01

Portable gas powered internal combustion engine arrangement

#54
20090241914
2009-10-01

Portable gas powered internal combustion engine arrangement

#55
20090239426
2009-09-24

Fuel system for gas driven vessel

#56
20090235904
2009-09-24

Portable gas powered internal combustion engine arrangement

#57
20090235876
2009-09-24

Portable gas powered internal combustion engine arrangement

#58
20090126701
2009-05-21

Gas engine and gas-engine-mounted working machine

#59
20090090335
2009-04-09

Portable gas powered internal-combustion engine arrangement

#60
20090014221
2009-01-15

LAYOUT STRUCTURE OF LPG BOMB AND INTEGRATED BATTERY OF HYBRID ELECTRIC VEHICLE

#61
20090013975
2009-01-15

Portable gas powered internal combustion engine arrangement

#62
20090013974
2009-01-15

Portable gas powered internal combustion engine arrangement

#63
20080271706
2008-11-06

Hydrogen gas injector plug for diesel engines

#64
20080142287
2008-06-19

Liquified Fuel Gas Powered Recreational Vehicle

#65
20070256737
2007-11-08

Gaseous fuel management system for automotive vehicle

#66
20070137591
2007-06-21

Engine operated generator

#67
20070074452
2007-04-05

Gaseous fuel and air mixing venturi device and method for carburetor

#68
20060168950
2006-08-03

Combination emission abatement assembly and method of operarting the same

#69
20060042606
2006-03-02

LPG vehicular liquid transfer system

#70
20050251999
2005-11-17

Method of converting diesel engine to natural gas engine

#71
20050217639
2005-10-06

Glow ring ignition assist for internal combustion engine

#72
20050193990
2005-09-08

Systems for delivering liquified gas to an engine

#73
20050193989
2005-09-08

Gaseous fuel system for automotive vehicle

#74
20050126155
2005-06-16

Hydrogen motor