ClassID:

138862

F02B63/041 - CPC Classification

Classification description:

Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices for electric generators Linear electric generators

Recent Application in this class:
#1
20250327417
2025-10-23

SYSTEM FOR OPTIMIZING AN INTERNAL COMBUSTION ENGINE

#2
20250279696
2025-09-04

LINEAR GENERATOR SYSTEM HAVING A POLYGONAL LAYOUT

#3
20250167632
2025-05-22

INTEGRATED LINEAR GENERATOR SYSTEM

#4
20250030317
2025-01-23

INTEGRATED LINEAR GENERATOR SYSTEM

#5
20240287930
2024-08-29

HIGH-EFFICIENCY LINEAR GENERATOR

#6
20240240586
2024-07-18

ENERGY STORAGE AND CONVERSION IN LINEAR GENERATORS

#7
20240146152
2024-05-02

Linear electric generator

#8
20240055946
2024-02-15

Integrated linear generator system

#9
20230193817
2023-06-22

Energy storage and conversion in linear generators

#10
20230101969
2023-03-30

High-efficiency linear generator

#11
20220399784
2022-12-15

Integrated linear generator system

#12
20220399783
2022-12-15

Electric vehicle with energy recovery system

#13
20220364502
2022-11-17

Energy storage and conversion in linear generators

#14
20220345004
2022-10-27

Linear electric device

#15
20220154634
2022-05-19

Opposing piston synchronized linear engine-alternator (OPSLEA) for electrical power generation

#16
20220127999
2022-04-28

Adaptive linear linked piston electric power generator

#17
20220049646
2022-02-17

Adaptive linear linked piston electric power generator

#18
20220049645
2022-02-17

Adaptive linear linked piston electric power generator

#19
20210091631
2021-03-25

Linear electric device having reciprocating movement linked to rotational movement of a shaped cam

#20
20210079838
2021-03-18

High-efficiency linear generator

#21
20200400064
2020-12-24

Energy storage and conversion in linear generators

#22
20200389106
2020-12-10

System for anticipating load changes

#23
20200386152
2020-12-10

Adaptive linear linked piston electric power generator

#24
20200378349
2020-12-03

Drive of a pump

#25
20200227976
2020-07-16

DC-DC converter in a non-steady system

#26
20200217245
2020-07-09

ENGINE

#27
20200195093
2020-06-18

Integrated linear generator system

#28
20190360426
2019-11-28

CYLINDER LINERS COMPRISING INDUCTION COILS AND HYBRID INTERNAL COMBUSTION ENGINES AND POWERTRAINS UTILIZING THE SAME

#29
20190345871
2019-11-14

Free-piston linear apparatus

#30
20190178157
2019-06-13

High-efficiency linear combustion engine

#31
20190136757
2019-05-09

Energy storage and conversion in free-piston combustion engines

#32
20190089225
2019-03-21

DC-DC converter in a non-steady system

#33
20190085696
2019-03-21

Free-piston device and method for operating a free-piston device

#34
20190085695
2019-03-21

Free piston device and method for operating a free piston device

#35
20190085694
2019-03-21

Free piston device

#36
20190085693
2019-03-21

Free piston apparatus

#37
20190040792
2019-02-07

Combustion chamber arrangement and system comprising said arrangement

#38
20180366980
2018-12-20

Air to electrical energy and water microgrid

#39
20180298814
2018-10-18

High-efficiency linear combustion engine

#40
20180258845
2018-09-13

Homogeneous charge compression ignition linear generator

#41
20170370282
2017-12-28

Linear piston engine for operating external linear load

#42
20170306837
2017-10-26

Energy storage and conversion in free-piston combustion engines

#43
20170276069
2017-09-28

Internal combustion engine and method for operating an internal combustion engine

#44
20170241331
2017-08-24

High-efficiency linear combustion engine

#45
20170058701
2017-03-02

Parallel motion heat energy power machine and working method thereof

#46
20170009884
2017-01-12

Multi-stage combustion hot-gas/steam pressure-differential parallel-cylinder opposed-piston engine for natural gas, hydrogen and other fuels with integrated electric generator

#47
20160208686
2016-07-21

Energy storage and conversion in free-piston combustion engines

#48
20160090908
2016-03-31

High-efficiency linear combustion engine

#49
20160010544
2016-01-14

Internal combustion engine having a linear generator and rotary generator

#50
20150307796
2015-10-29

System and method for electrically-coupled heat engine and thermal cycle

#51
20150001852
2015-01-01

Linear electrical machine/generator with segmented stator for free piston engine generator

#52
20140265349
2014-09-18

Multi-fuel engine

#53
20140216411
2014-08-07

Linear alternator assembly with four-stroke working cycle and vehicle having same

#54
20140174396
2014-06-26

Piston

#55
20130247573
2013-09-26

Generator compressor combination power system

#56
20130186354
2013-07-25

Combustion engine having mutually connected pistons

#57
20130118453
2013-05-16

Free-piston internal combustion engine

#58
20120235517
2012-09-20

High-efficiency linear combustion engine

#59
20120126545
2012-05-24

Engine device

#60
20120126544
2012-05-24

High-efficiency two-piston linear combustion engine

#61
20120126543
2012-05-24

HIGH-EFFICIENCY SINGLE-PISTON LINEAR COMBUSTION ENGINE

#62
20120125291
2012-05-24

High-efficiency linear combustion engine

#63
20120125288
2012-05-24

High-efficiency linear combustion engine

#64
20120112469
2012-05-10

Turbocompound free piston linear alternator

#65
20120112468
2012-05-10

Opposed free piston linear alternator

#66
20120112467
2012-05-10

Free piston linear alternator utilizing opposed pistons with spring return

#67
20110221208
2011-09-15

Opposed piston electromagnetic engine

#68
20110174271
2011-07-21

System and method for electrically-coupled heat engine and thermal cycle

#69
20110067216
2011-03-24

Method of retrofitting an engine

#70
20100289263
2010-11-18

Free piston electromagnetic engine

#71
20100283263
2010-11-11

Device for conversion of thermodynamic energy into electrical energy

#72
20100277012
2010-11-04

Linear generator having a fluid pressure cylinder structure

#73
20100244444
2010-09-30

COMMUNAL HEATING AND POWER STATION UNIT HAVING A RECIPROCATING INTERNAL COMBUSTION ENGINE AND HAVING AN ELECTRICAL MACHINE

#74
20100162998
2010-07-01

Free piston assembly and method for controlling a free piston assembly

#75
20090320799
2009-12-31

Drive system with a rotary energy-transmission element

#76
20090308345
2009-12-17

Energy Converter Having Pistons with Internal Gas Passages

#77
20090094827
2009-04-16

Method of retrofitting an engine

#78
20090091195
2009-04-09

Free piston electromagnetic engine

#79
20090090334
2009-04-09

Opposed piston electromagnetic engine

#80
20080271711
2008-11-06

Four-Stroke Free Piston Engine

#81
20080079320
2008-04-03

Electromagnetic motor

#82
20080036312
2008-02-14

Energy converter

#83
20070158947
2007-07-12

System and method for controlling a power generating system

#84
20060213466
2006-09-28

Internal combustion engine

#85
20060201456
2006-09-14

Internal combustion engine

#86
20060156719
2006-07-20

Electrical power generating system

#87
20060144041
2006-07-06

Dynamic mass transfer rapid response power conversion system

#88
20060130782
2006-06-22

Engine

#89
20060124083
2006-06-15

Control device for free piston engine and method for the same

#90
20060101816
2006-05-18

Internal explosion engine and generator using non-combustible gases

#91
20060021589
2006-02-02

Valve system for a rapid response power conversion device

#92
20050257757
2005-11-24

Method for regulating the operation of a device for generating electric energy by means of a generator driven by a free-piston internal combustion engine

#93
20050109295
2005-05-26

Free piston engine and power generation system therewith

#94
20050103287
2005-05-19

Internal combustion engine

#95
18370184
2024-12-24

Free-piston linear generator

#96
16418071
2020-09-08

System for anticipating load changes

#97
15384965
2019-12-03

Lightweight return flux alternator

#98
13828687
2017-02-21

Free piston pump and miniature internal combustion engine