Patents-Review.com
ClassID:

138879 ⎘

F02B69/04 - CPC Classification

Classification description:

Internal-combustion engines convertible into other combustion-engine type, not provided for in ; Internal-combustion engines of different types characterised by constructions facilitating use of same main engine-parts in different types for different fuel types, other than engines indifferent to fuel consumed, e.g. convertible from light to heavy fuel for gaseous and non-gaseous fuels

Recent Application in this class:
#1
20250320837
2025-10-16

DUAL FUEL SYSTEM WITH ELECTRIC BATTERY FOR POWER GENERATION

 #2
20250163847
2025-05-22

DUAL FUEL ENGINE SYSTEM

 #3
20250145056
2025-05-08

ENERGY MANAGEMENT FOR MULTI-INPUT PROPULSION

 #4
20240295188
2024-09-05

Compression ignition engine with igniter and pilot injector

 #5
20240035422
2024-02-01

Dual Fuel System with Electric Battery for Power Generation

 #6
20240018898
2024-01-18

Hydrogen intake assembly for a hydrogen internal combustion engine

 #7
20230378849
2023-11-23

Inverter generator

 #8
20230258138
2023-08-17

Dual fuel system with electric battery for power generation

 #9
20230202347
2023-06-29

Energy management for multi-input propulsion

 #10
20230151764
2023-05-18

Methods and systems for multi-fuel engine startup

 #11
20230012227
2023-01-12

HYDROGEN INTAKE ASSEMBLY FOR A HYDROGEN INTERNAL COMBUSTION ENGINE

 #12
20220239193
2022-07-28

Inverter generator

 #13
20220144103
2022-05-12

Mutli-fuel, range extending power generation propulsion system, method and apparatus

 #14
20200123972
2020-04-23

Fuel switchover control system for a multi-fuel generator

 #15
20200040730
2020-02-06

Method and apparatus for operating an engine on compressed gas

 #16
20200025154
2020-01-23

Twin outlet check liquid fuel injector for dual fuel system

 #17
20190323424
2019-10-24

FLEXIBLE FUEL GENERATOR AND METHODS OF USE THEREOF

 #18
20190293028
2019-09-26

High pressure fuel pump and LPDI system including the same

 #19
20190032556
2019-01-31

Turbocharged dual-fuel engine

 #20
20180298840
2018-10-18

Engine device

 #21
20180245506
2018-08-30

Combustion chamber geometry

 #22
20180209356
2018-07-26

Engine-driven electricity generation system using diesel engine from scrapped vehicle capable of using both diesel and LNG

 #23
20180045111
2018-02-15

Compression rate reduction process by adding cold material at the cylinder head of engines converted to natural gas to be used as fuel

 #24
20170167371
2017-06-15

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

 #25
20170130676
2017-05-11

Thermal choke, autostart generator system, and method of use thereof

 #26
20160258352
2016-09-08

FLEXIBLE FUEL GENERATOR AND METHODS OF USE THEREOF

 #27
20160160766
2016-06-09

Kit for the realization of a dual LPG/petrol fuel system for outboard engines for motorboats

 #28
20160069291
2016-03-10

HYBRID POWERTRAIN AND METHOD OF OPERATING SAME

 #29
20150192077
2015-07-09

Method for operating an internal combustion engine and internal combustion engine

 #30
20140182288
2014-07-03

Device and method for regulating a spark-ignition gas engine

 #31
20140130776
2014-05-15

Multi-fuel delivery system

 #32
20130168969
2013-07-04

Flex fuel field generator

 #33
20130125863
2013-05-23

Bi-fuel engine for vehicle

 #34
20130066536
2013-03-14

SENSOR OUTPUT MODIFIER

 #35
20120160221
2012-06-28

Method and apparatus of fuelling an internal combustion engine with hydrogen and methane

 #36
20090120385
2009-05-14

Method and apparatus of fuelling an internal combustion engine with hydrogen and methane

 #37
20050251999
2005-11-17

Method of converting diesel engine to natural gas engine

 #38
14593653
2016-11-15

Hydraulic servo gas regulator for multi-fuel engine