Patents-Review.com
ClassID:

138824 ⎘

F02B51/00 - CPC Classification

Classification description:

Other methods of operating engines involving pretreating of, or adding substances to, combustion air, fuel, or fuel-air mixture of the engines

Sub-classes:
Recent Application in this class:
#1
20250129737
2025-04-24

MIXED FUEL SYSTEM

 #2
20240309801
2024-09-19

Explosion Safe Electrolysis Unit

 #3
20240301815
2024-09-12

Ultra Low Enhancement Gas Injection

 #4
20240093637
2024-03-21

ROLLOVER-SAFE ELECTROLYSIS UNIT FOR VEHICLES

 #5
20230062236
2023-03-02

HHO Precision Injection System

 #6
20230052188
2023-02-16

Onboard HHO Gas Generation System for Heavy Duty Trucks

 #7
20220389879
2022-12-08

Optimized fuel management system for direct injection ethanol enhancement of gasoline engines

 #8
20220341361
2022-10-27

Explosion safe electrolysis unit

 #9
20220034272
2022-02-03

Optimized fuel management system for direct injection ethanol enhancement of gasoline engines

 #10
20210254568
2021-08-19

Optimized fuel management system for direct injection ethanol enhancement of gasoline engines

 #11
20210189953
2021-06-24

INTERNAL COMBUSTION ENGINE

 #12
20210131367
2021-05-06

Optimized fuel management system for direct injection ethanol enhancement of gasoline engines

 #13
20210003084
2021-01-07

Optimized fuel management system for direct injection ethanol enhancement of gasoline engines

 #14
20200300186
2020-09-24

FUEL MANAGEMENT SYSTEM FOR VARIABLE ETHANOL OCTANE ENHANCEMENT OF GASOLINE ENGINES

 #15
20200224597
2020-07-16

Optimized fuel management system for direct injection ethanol enhancement of gasoline engines

 #16
20200056557
2020-02-20

Optimized fuel management system for direct injection ethanol enhancement of gasoline engines

 #17
20190390354
2019-12-26

Portable electrolyzer and its use

 #18
20190323459
2019-10-24

Engines using supercritical syngas

 #19
20190309697
2019-10-10

Fuel management system for variable ethanol octane enhancement of gasoline engines

 #20
20190301382
2019-10-03

Control device for internal combustion engine and control method for internal combustion engine

 #21
20190249597
2019-08-15

Internal combustion engine

 #22
20190234354
2019-08-01

Control device for internal combustion engine and control method for internal combustion engine

 #23
20190234298
2019-08-01

Temperature control for HHO injection gas

 #24
20190234297
2019-08-01

Onboard HHO gas generation system for heavy duty trucks

 #25
20190233956
2019-08-01

Rollover safe electrolysis unit for vehicles

 #26
20190233951
2019-08-01

Explosion safe electrolysis unit

 #27
20190219007
2019-07-18

Member for activating substance back ground

 #28
20190153968
2019-05-23

Optimized fuel management system for direct injection ethanol enhancement of gasoline engines

 #29
20190048811
2019-02-14

Fuel management system for variable ethanol octane enhancement of gasoline engines

 #30
20180202375
2018-07-19

Optimized fuel management system for direct injection ethanol enhancement of gasoline engines

 #31
20180128164
2018-05-10

Fuel reforming system for vehicle intake and exhaust line

 #32
20180016998
2018-01-18

Fuel management system for variable ethanol octane enhancement of gasoline engines

 #33
20170284315
2017-10-05

Engine

 #34
20160138529
2016-05-19

Fuel management system for variable ethanol octane enhancement of gasoline engines

 #35
20160068037
2016-03-10

Refrigerant allocation between automotive HVAC and engine air/fuel cooling

 #36
20150369178
2015-12-24

Engine

 #37
20150369117
2015-12-24

Optimized fuel management system for direct injection ethanol enhancement of gasoline engines

 #38
20150267607
2015-09-24

METHOD FOR OPERATING A WELL SITE

 #39
20140373811
2014-12-25

Fuel management system for variable ethanol octane enhancement of gasoline engines

 #40
20140343825
2014-11-20

Fuel management system for variable ethanol octane enhancement of gasoline engines

 #41
20140251278
2014-09-11

Fuel injection method and combustion engine with early pre-injection

 #42
20140216395
2014-08-07

Fuel management system for variable ethanol octane enhancement of gasoline engines

 #43
20140196678
2014-07-17

Gasoline fuel composition for improved performance in fuel injected engines

 #44
20140109853
2014-04-24

Internal combustion engine-reformer installation

 #45
20140069603
2014-03-13

Intake enhancement system for vehicle

 #46
20130327286
2013-12-12

MIXED FUEL GENERATION METHOD, MIXED FUEL GENERATION DEVICE, AND FUEL SUPPLY DEVICE

 #47
20130276763
2013-10-24

Device for cooling charge air, system for conditioning charge air, and intake module for an internal combustion engine

 #48
20130019839
2013-01-24

Fuel management system for variable ethanol octane enhancement of gasoline engines

 #49
20120312284
2012-12-13

FUEL MANAGEMENT SYSTEM FOR VARIABLE ETHANOL OCTANE ENHANCEMENT OF GASOLINE ENGINES

 #50
20120285429
2012-11-15

OPTIMIZED FUEL MANAGEMENT SYSTEM FOR DIRECT INJECTION ETHANOL ENHANCEMENT OF GASOLINE ENGINES

 #51
20120152204
2012-06-21

Fuel management system for variable ethanol octane enhancement of gasoline engines

 #52
20120138015
2012-06-07

Fuel management system for variable ethanol octane enhancement of gasoline engines

 #53
20120042857
2012-02-23

Fuel management system for variable ethanol octane enhancement of gasoline engines

 #54
20110226210
2011-09-22

Fuel management system for variable ethanol octane enhancement of gasoline engines

 #55
20110108011
2011-05-12

Fuel pretreater

 #56
20110067674
2011-03-24

Spark ignition engine that uses intake port injection of alcohol to extend knock limits

 #57
20110030653
2011-02-10

Fuel management system for variable ethanol octane enhancement of gasoline engines

 #58
20100288232
2010-11-18

FUEL MANAGEMENT SYSTEM FOR VARIABLE ETHANOL OCTANE ENHANCEMENT OF GASOLINE ENGINES

 #59
20100263625
2010-10-21

Fuel management system for variable ethanol octane enhancement of gasoline engines

 #60
20100252421
2010-10-07

HHO GENERATING SYSTEM

 #61
20100199946
2010-08-12

Optimized fuel management system for direct injection ethanol enhancement of gasoline engines

 #62
20100186287
2010-07-29

Fuel Apparatus and Method

 #63
20100175659
2010-07-15

FUEL MANAGEMENT SYSTEM FOR VARIABLE ETHANOL OCTANE ENHANCEMENT OF GASOLINE ENGINES

 #64
20100139597
2010-06-10

APPARATUS AND METHODS FOR CONDITIONING FUEL TO INCREASE THE GAS MILEAGE OF AN INTERNAL COMBUSTION ENGINE

 #65
20100070156
2010-03-18

Fuel management system for variable ethanol octane enhancement of gasoline engines

 #66
20090084349
2009-04-02

Fuel management system for variable ethanol octane enhancement of gasoline engines

 #67
20090038474
2009-02-12

Inducing air

 #68
20080110434
2008-05-15

Fuel management system for variable ethanol octane enhancement of gasoline engines

 #69
20080060627
2008-03-13

OPTIMIZED FUEL MANAGEMENT SYSTEM FOR DIRECT INJECTION ETHANOL ENHANCEMENT OF GASOLINE ENGINES

 #70
20080060612
2008-03-13

Fuel management system for variable ethanol octane enhancement of gasoline engines

 #71
20070186875
2007-08-16

System for improving the fuel efficiency of an engine

 #72
20070022976
2007-02-01

Performance of interal combustion engines

 #73
20060283428
2006-12-21

System for improving the fuel efficiency of an engine

 #74
20060243135
2006-11-02

Inducing air

 #75
20060225696
2006-10-12

Inducing air

 #76
20060185625
2006-08-24

Method for controlling compression ignition internal combustion engine

 #77
20060174595
2006-08-10

Inducing air

 #78
20060102146
2006-05-18

Fuel management system for variable anti-knock agent octane enhancement of gasoline engines

 #79
20060102145
2006-05-18

Fuel management system for variable ethanol octane enhancement of gasoline engines

 #80
20060102136
2006-05-18

Optimized fuel management system for direct injection ethanol enhancement of gasoline engines

 #81
20060096573
2006-05-11

System for improving the fuel efficiency of an engine

 #82
20060075991
2006-04-13

Hydrogen and carbon monoxide enhanced knock resistance in spark ignition gasoline engines

 #83
20050103285
2005-05-19

Onboard fuel separation apparatus for an automobile

 #84
20050019230
2005-01-27

Plasmatron-catalyst system

 #85
20050011500
2005-01-20

Reduction of emissions of internal combustion engines by improving combustion efficiency through effective control of electrostatic force

 #86
20050011486
2005-01-20

System and method for controlling ignition in internal combustion engines

 #87
17177221
2021-11-16

Microwave heating of combustion chamber of internal combustion engine during cold starting

 #88
15009197
2016-05-31

Synergistic fuel additives and fuels containing the additives