Patents-Review.com
ClassID:

136418 ⎘

F01B7/02 - CPC Classification

Classification description:

Machines or engines with two or more pistons reciprocating within same cylinder or within essentially coaxial cylinders with oppositely reciprocating pistons

Sub-classes:
Recent Application in this class:
#1
20240287930
2024-08-29

HIGH-EFFICIENCY LINEAR GENERATOR

 #2
20230101969
2023-03-30

High-efficiency linear generator

 #3
20230098581
2023-03-30

Opposed, free-piston engine

 #4
20230030878
2023-02-02

Piston for an opposed-piston engine

 #5
20220123627
2022-04-21

Free piston generator based on rigid synchronous transmission system

 #6
20210381377
2021-12-09

Engine crank and connecting rod mechanism

 #7
20210199009
2021-07-01

Engine crank and connecting rod mechanism

 #8
20210123389
2021-04-29

DUAL-CRANKSHAFT, OPPOSED-PISTON ENGINE WITH MECHANICALLY UNCOUPLED CRANKSHAFTS

 #9
20210079838
2021-03-18

High-efficiency linear generator

 #10
20200400065
2020-12-24

INTERNAL COMBUSTION ENGINE

 #11
20200208522
2020-07-02

Engine crank and connecting rod mechanism

 #12
20200182133
2020-06-11

Air handling in a heavy-duty opposed-piston engine

 #13
20200182114
2020-06-11

EXHAUST PLENUM CHAMBER CONSTRUCTIONS INCLUDING THERMAL BARRIER COATINGS FOR OPPOSED-PISTON ENGINES

 #14
20200088033
2020-03-19

SUPERCHARGER PROTECTION IN AN OPPOSED-PISTON ENGINE WITH EGR

 #15
20190186899
2019-06-20

Systems and methods for measurement of piston-to-piston clearances in multi-cylinder opposed piston engines

 #16
20190178157
2019-06-13

High-efficiency linear combustion engine

 #17
20190100295
2019-04-04

INTERNAL COMBUSTION ENGINE

 #18
20190093552
2019-03-28

Bilateral engine control system

 #19
20190085696
2019-03-21

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

 #20
20190085695
2019-03-21

Free piston device and method for operating a free piston device

 #21
20190085694
2019-03-21

Free piston device

 #22
20190085693
2019-03-21

Free piston apparatus

 #23
20190078479
2019-03-14

EXHAUST MANAGEMENT STRATEGIES FOR OPPOSED-PISTON, TWO-STROKE ENGINES

 #24
20180298814
2018-10-18

High-efficiency linear combustion engine

 #25
20180264441
2018-09-20

Stratified charge combustion engine

 #26
20180216567
2018-08-02

Opposed piston engine cylinder with carbon scraper

 #27
20180216523
2018-08-02

Bilateral engine control system

 #28
20180202487
2018-07-19

Minimizing oil leakage from rocking journal bearings

 #29
20180202346
2018-07-19

PISTON BEARING ASSEMBLY FOR AN OPPOSED-PISTON ENGINE

 #30
20180128202
2018-05-10

Pistons with thermal barrier coatings

 #31
20170370273
2017-12-28

Piston cooling for opposed-piston engine

 #32
20170306832
2017-10-26

Piston cooling for opposed-piston engines

 #33
20170248088
2017-08-31

Method for controlling an air boosting apparatus in a two-stroke, opposed piston engine, and a two-stroke, opposed piston engine with an air boosting apparatus

 #34
20170241331
2017-08-24

High-efficiency linear combustion engine

 #35
20170217553
2017-08-03

Internal combustion engine

 #36
20170167531
2017-06-15

Minimizing oil leakage from rocking journal bearings

 #37
20170122185
2017-05-04

Compact ported cylinder construction for an opposed-piston engine

 #38
20170074315
2017-03-16

Minimizing oil leakage from rocking journal bearings of two-stroke cycle engines

 #39
20170030194
2017-02-02

RECIPROCATING ENGINE

 #40
20170023280
2017-01-26

Linear expander and cryogenic refrigeration system including the same

 #41
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

 #42
20160369740
2016-12-22

Piston cooling configurations utilizing lubricating oil from a bearing reservoir in an opposed-piston engine

 #43
20160369686
2016-12-22

Low reactivity, compression-ignition, opposed-piston engine

 #44
20160356216
2016-12-08

Load transfer point offset of rocking journal wristpins in uniflow-scavenged, opposed-piston engines with phased crankshafts

 #45
20160341104
2016-11-24

Low reactivity, compression-ignition, opposed-piston engine

 #46
20160252067
2016-09-01

Opposed piston three nozzle piston bowl design

 #47
20160252065
2016-09-01

Opposed piston three nozzle combustion chamber design

 #48
20160201544
2016-07-14

Piston cooling for opposed-piston engines

 #49
20160138499
2016-05-19

EGR for a two-stroke cycle engine without a supercharger

 #50
20160090908
2016-03-31

High-efficiency linear combustion engine

 #51
20150252715
2015-09-10

Piston cooling configurations utilizing lubricating oil from a bearing reservoir in an opposed-piston engine

 #52
20150167547
2015-06-18

Internal combustion engine

 #53
20150148193
2015-05-28

Vertical movement vibrating exercise and wellness platform

 #54
20150122227
2015-05-07

Combustion chamber construction with dual mixing regions for opposed-piston engines

 #55
20150033736
2015-02-05

Exhaust management strategies for opposed-piston, two-stroke engines

 #56
20150013649
2015-01-15

Combustion chamber constructions for opposed-piston engines

 #57
20140165967
2014-06-19

Internal combustion engines

 #58
20140130780
2014-05-15

Internal combustion engine

 #59
20140102418
2014-04-17

OPPOSED PISTON ENGINE WITH NON-COLLINEAR AXES OF TRANSLATION

 #60
20140083396
2014-03-27

Combustion chamber constructions for opposed-piston engines

 #61
20140014063
2014-01-16

Swirl-conserving combustion chamber construction for opposed-piston engines

 #62
20130319368
2013-12-05

Combustion chamber intake and exhaust shutter

 #63
20130319351
2013-12-05

Piston cooling system

 #64
20130220279
2013-08-29

Variable compression ratio systems for opposed-piston and other internal combustion engines, and related methods of manufacture and use

 #65
20130213342
2013-08-22

Piston crown bowls defining combustion chamber constructions in opposed-piston engines

 #66
20120235517
2012-09-20

High-efficiency linear combustion engine

 #67
20120125291
2012-05-24

High-efficiency linear combustion engine

 #68
20120085302
2012-04-12

Variable compression ratio systems for opposed-piston and other internal combustion engines, and related methods of manufacture and use

 #69
20120073541
2012-03-29

Fuel injection spray patterns for opposed-piston engines

 #70
20110287906
2011-11-24

Variable resistance pulley for body-weight rotation exercise

 #71
20110271932
2011-11-10

Combustion chamber constructions for opposed-piston engines

 #72
20110061631
2011-03-17

Engine with a variable volume chamber

 #73
20110036330
2011-02-17

Internal combustion engine

 #74
20100065015
2010-03-18

MECHANISM TO TRANSFORM A PISTON ALTERNATIVE MOVEMENT INTO AN AXLE REVOLVING MOVEMENT FOR INTERNAL COMBUSTION ENGINES

 #75
20060021589
2006-02-02

Valve system for a rapid response power conversion device

 #76
15696550
2018-11-27

Diesel engine cold starting system and methods