ClassID:

140701

F02M21/0293 - 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 Safety devices; Fail-safe measures

Recent Application in this class:
#1
20260071597
2026-03-12

FAILURE DETERMINATION DEVICE AND FAILURE DETERMINATION METHOD

#2
20250198371
2025-06-19

SYSTEM AND METHOD FOR RECOVERY OF REDUNDANT GASEOUS FUEL FROM A GASEOUS FUEL SUPPLY SYSTEM

#3
20250154923
2025-05-15

HYDROGEN CAPTURE CANISTER

#4
20250043752
2025-02-06

Hydrogen fuel system

#5
20250027462
2025-01-23

INTERNAL COMBUSTION ENGINE FOR GASEOUS FUELS

#6
20230053845
2023-02-23

Gas metering valve for internal combustion engines

#7
20210047971
2021-02-18

Leak detection in a hydrogen fuelled vehicle

#8
20210033046
2021-02-04

Gas Admission Valve and Fuel Gas Supply Assembly with Leakage Containment Flowpath

#9
20200164785
2020-05-28

Natural gas tank pressure control for transport refrigeration unit

#10
20190101069
2019-04-04

Gas valve unit and a method of performing a pressure test to a gas valve unit

#11
20190072055
2019-03-07

Vehicle having an internal combustion engine operated by means of a gas

#12
20190040818
2019-02-07

FUEL DELIVERY SYSTEM

#13
20190032618
2019-01-31

Deposit mitigation for gaseous fuel injectors

#14
20180281901
2018-10-04

Marine surface vessel

#15
20180274491
2018-09-27

Fuel evaporative gas emission suppressor

#16
20180223773
2018-08-09

POWER GENERATING ASSEMBLY, VEHICLE COMPRISING A POWER GENERATING ASSEMBLY, AND METHOD FOR ADJUSTING AN INERT GAS PRESSURE

#17
20180163669
2018-06-14

Fuel supply system and valve assembly therefor

#18
20180023517
2018-01-25

Low pressure natural gas direct injection fuel injector assembly

#19
20170298847
2017-10-19

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

#20
20170268463
2017-09-21

Cooling system for cryogenic fuel delivery components

#21
20170138312
2017-05-18

FUEL RAIL ASSEMBLIES

#22
20170122225
2017-05-04

Monitoring apparatus for a pressure tank, and pressure tank

#23
20170030300
2017-02-02

Compressed gas capture and recovery system

#24
20160348613
2016-12-01

MINI GAS VALVE UNIT

#25
20160230652
2016-08-11

Implosion enabled engine of exothermic type in explosive system (IEEX-EX) employing a safe pipe system (SPS) and other safety devices

#26
20160177857
2016-06-23

Method and diagnostic facility for checking high-pressure tank valves, high-pressure tank system and motor vehicle with a high-pressure tank system

#27
20160097309
2016-04-07

Suppressor for gaseous fuel system

#28
20160096609
2016-04-07

Fuel gas supply system and method of ship

#29
20160061685
2016-03-03

Gas internal combustion engine gas leak checking device and method for same

#30
20160025593
2016-01-28

Detection of Stuck Plate Valve of Gaseous Engine

#31
20150267647
2015-09-24

Gas engine assembly

#32
20150176517
2015-06-25

Injector driver and method of controlling the same

#33
20150159570
2015-06-11

Method and system for controlling safety of a bi-fuel vehicle

#34
20150154076
2015-06-04

Injector driver and operating method thereof

#35
20150136099
2015-05-21

Valve for a fuel system for a combustion engine and method for controlling a fuel system for a combustion engine

#36
20150122231
2015-05-07

METHOD TO DISPERSE LUBRICATION INTO A FUEL SUPPLY FOR A FUEL GAS SYSTEM

#37
20150122230
2015-05-07

Dual fuel selector switch

#38
20140338633
2014-11-20

Fuel injector assembly and fuel injection system

#39
20140334946
2014-11-13

LEAKAGE DETECTION SYSTEM AND METHOD FOR FUEL TANK SYSTEMS

#40
20140283788
2014-09-25

Fuel supply system with leakage detection means

#41
20140250921
2014-09-11

System for supplying liquefied natural gas fuel with leak detection

#42
20140239645
2014-08-28

Generator including a fuel shutoff valve

#43
20140209749
2014-07-31

Fuel pressure sensor line reservoir

#44
20140095052
2014-04-03

End-position-monitoring of a gas injector

#45
20140060495
2014-03-06

Method of compensating for injector aging

#46
20130255808
2013-10-03

Fuel gas supplying and filling system

#47
20130000380
2013-01-03

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

#48
20120273049
2012-11-01

Detecting and automatically responding to airborne hydrocarbon gas

#49
20120216919
2012-08-30

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

#50
20120098666
2012-04-26

Hydrocarbon gas delivery system

#51
20120085464
2012-04-12

Compressed gas system, manual valve assembly, and manual valve piston with isochoric thermal isolation zone

#52
20110301826
2011-12-08

Bi-fuel engine with variable air fuel ratio

#53
20110265464
2011-11-03

AMMONIA BURNING INTERNAL COMBUSTION ENGINE

#54
20110017173
2011-01-27

Adjustment system for balancing the cylinders of a gas-burning internal combustion engine

#55
20080135005
2008-06-12

Integrated gaseous fuel delivery system

#56
20080016883
2008-01-24

Motor vehicle operable by means of cryogenically stored fuel and having a compressed-air system

#57
20070150165
2007-06-28

Adaptive load balancing system

#58
20060213488
2006-09-28

High pressure gaseous fuel supply system for an internal combustion engine and a method of sealing connections between components to prevent leakage of a high pressure gaseous fuel

#59
20060204909
2006-09-14

Method and apparatus for utilising fugitive gases as a supplementary fuel source

#60
20060124195
2006-06-15

Fueling nozzle with integral molecular leak sensor

#61
20060060681
2006-03-23

Fuel injection system

#62
20050081832
2005-04-21

Fuel feeding system for a liquefied petroleum injection engine

#63
17651511
2023-06-27

Methods and systems for gaseous fuel management