ClassID:

140025

F02F1/186 - CPC Classification

Classification description:

Cylinders; Cylinder heads ; Other cylinders for use in engines with two or more pistons reciprocating within same cylinder

Recent Application in this class:
#1
20230383693
2023-11-30

INTERNAL COMBUSTION ENGINE

#2
20210156349
2021-05-27

Fuel injector mounting assembly for an opposed-piston engine

#3
20190093479
2019-03-28

Valve train for opposed-piston four-stroke engine

#4
20190093478
2019-03-28

Block structure and fastening features for opposed-piston four-stroke engines

#5
20180335141
2018-11-22

Ported engine constructions with low-tension compression seals

#6
20180328263
2018-11-15

Uniflow engine with intake and/or exhaust valves

#7
20180216567
2018-08-02

Opposed piston engine cylinder with carbon scraper

#8
20180077787
2018-03-15

Method and device for coating a surface

#9
20180058368
2018-03-01

Cylinder liner for an opposed-piston engine

#10
20180045136
2018-02-15

Port edge shape with continuous curvature for improved ring-port interaction and flow area

#11
20180045135
2018-02-15

Port edge shape with continuous curvature for improved ring-port interaction and flow area

#12
20180030889
2018-02-01

Drive device provided with XY-separating crank mechanism

#13
20160356241
2016-12-08

Cylinder for opposed-piston engines

#14
20160326993
2016-11-10

EGR constructions for opposed-piston engines

#15
20160290277
2016-10-06

Cylinder liner for an opposed-piston engine

#16
20160252044
2016-09-01

Engine block construction for opposed piston engine

#17
20160252043
2016-09-01

Opposed piston two stroke engine liner construction

#18
20160069293
2016-03-10

Opposed piston two-stroke engine with thermal barrier

#19
20140311431
2014-10-23

Internal combustion engine

#20
20140216425
2014-08-07

Reduction of ring clipping in two-stroke cycle engines

#21
20140026563
2014-01-30

EGR constructions for opposed-piston engines

#22
20130319351
2013-12-05

Piston cooling system

#23
20130298853
2013-11-14

Impingement cooling of cylinders in opposed-piston engines

#24
20130025548
2013-01-31

Impingement cooling of cylinders in opposed-piston engines

#25
20120186561
2012-07-26

Oil retention in the bore/piston interfaces of ported cylinders in opposed-piston engines

#26
20120152185
2012-06-21

Two-cycle, opposed-piston internal combustion engine

#27
20120080007
2012-04-05

Fuel injector support constructions for direct injection opposed-piston engines

#28
20110289916
2011-12-01

EGR constructions for opposed-piston engines

#29
20110259304
2011-10-27

Fuel injection system

#30
20110114038
2011-05-19

Ported engine constructions with low-tension compression seals

#31
20110094223
2011-04-28

Opposed piston engine

#32
20110041799
2011-02-24

High swirl engine

#33
20100282219
2010-11-11

Monoblock valveless opposing piston internal combustion engine

#34
20100212638
2010-08-26

Opposed piston engines with controlled provision of lubricant for lubrication and cooling

#35
20100212637
2010-08-26

Cylinder and piston assemblies for opposed piston engines

#36
20100212613
2010-08-26

Multi-cylinder opposed piston engines

#37
20100186723
2010-07-29

Two-cycle, opposed-piston internal combustion engine

#38
20100147269
2010-06-17

Internal Combustion Engine With Optimal Bore-To-Stroke Ratio

#39
20100012055
2010-01-21

Cylinder and piston assemblies for opposed piston engines

#40
20090293820
2009-12-03

Two-cycle, opposed-piston internal combustion engine

#41
20090266339
2009-10-29

Internal combustion engine

#42
20090266329
2009-10-29

Internal combustion engine

#43
20080314688
2008-12-25

Internal combustion engine with provision for lubricating pistons

#44
20080163848
2008-07-10

Opposed piston engine with piston compliance

#45
20080047530
2008-02-28

Internal combustion engine

#46
20070245892
2007-10-25

Two-cycle, opposed-piston internal combustion engine

#47
20070039572
2007-02-22

Two-stroke, opposed-piston internal combustion engine

#48
20060157003
2006-07-20

Opposed piston engine

#49
20050274332
2005-12-15

Two-cycle, opposed-piston internal combustion engine

#50
20050066917
2005-03-31

Rotary piston machine