ClassID:

138659

F02B25/18 - 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 adjacent the inlet ports, e.g. by means of deflection rib on piston

Recent Application in this class:
#1
20200095953
2020-03-26

Stratified scavenging engine and portable work machine

#2
20190078545
2019-03-14

Two-stroke internal combustion engine

#3
20180266336
2018-09-20

Rotational valve for two stroke engine

#4
20140331981
2014-11-13

Air intake porting for a two stroke engine

#5
20130319354
2013-12-05

Two-stroke engine and related methods

#6
20130306020
2013-11-21

Air intake porting for a two stroke engine

#7
20120297973
2012-11-29

Air intake porting for a two stroke engine

#8
20120145137
2012-06-14

Two-cycle engine

#9
20110232599
2011-09-29

Air intake porting for a two stroke engine

#10
20110220059
2011-09-15

TWO-CYCLE COMBUSTION ENGINE

#11
20110203263
2011-08-25

GASEOUS FUELED TWO-STROKE ENGINE

#12
20110197868
2011-08-18

Two-stroke engine

#13
20110138998
2011-06-16

Air intake porting for a two stroke engine

#14
20100288253
2010-11-18

Air intake porting for a two stroke engine

#15
20100258098
2010-10-14

Two-stroke engine and related methods

#16
20100170485
2010-07-08

Two stroke combustion engine

#17
20100037875
2010-02-18

Two cycle engine and tool

#18
20090283081
2009-11-19

Air intake porting for a two stroke engine

#19
20090217890
2009-09-03

Bendah rotary cycle internal combustion engine and air compressor

#20
20090194066
2009-08-06

Cylinder injection type spark ignition internal combustion engine

#21
20080011261
2008-01-17

Air intake porting for a two stroke engine

#22
20070204815
2007-09-06

Air intake porting for a two stroke engine

#23
20060112912
2006-06-01

Internal combustion engine

#24
17028875
2021-06-22

Cylinder structure of internal combustion engine