ClassID:

138658

F02B25/16 - CPC Classification

Classification description:

Engines characterised by using fresh charge for scavenging cylinders using reverse-flow scavenging, e.g. with both outlet and inlet ports arranged near bottom of piston stroke the charge flowing upward essentially along cylinder wall opposite the inlet ports

Recent Application in this class:
#1
20250207527
2025-06-26

AIR INTAKE-TYPE TWO-STROKE ENGINE

#2
20230265781
2023-08-24

Two-stroke engine

#3
20230119430
2023-04-20

Two-stroke internal combustion engine and engine working machine

#4
20220154629
2022-05-19

Two-stroke internal combustion engine

#5
20220065159
2022-03-03

Two-stroke internal combustion engine

#6
20210293177
2021-09-23

Two stroke engine with valves actuated by air pressure near bottom dead center

#7
20170254293
2017-09-07

Two-cycle engine and engine work machine

#8
20160237977
2016-08-18

Adjustment of ignition timing at cut out

#9
20150337764
2015-11-26

Carburetor for stratified scavenging two-stroke engine

#10
20150007802
2015-01-08

Two-stroke engine

#11
20140251293
2014-09-11

Stratified scavenging two-stroke engine

#12
20140238371
2014-08-28

Two-stroke internal combustion engine

#13
20130255652
2013-10-03

Internal combustion engine, in particular two-stroke internal combustion engine

#14
20120260900
2012-10-18

Stratified scavenging two-cycle engine

#15
20120024276
2012-02-02

Loop scavenged two-stroke internal combustion engine

#16
20110220074
2011-09-15

STRATIFIED TWO-STROKE ENGINE AND FUEL

#17
20110162630
2011-07-07

Stratified scavenging two-stroke engine

#18
20100012106
2010-01-21

Stratified scavenging two-cycle engine

#19
20090013980
2009-01-15

TWO CYCLE ENGINE

#20
20080110446
2008-05-15

Two-stroke motor with an improved transfer port

#21
20060225677
2006-10-12

Two-stroke engine

#22
20060060157
2006-03-23

Lead air control apparatus of stratified scavenging two-cycle engine