ClassID:

138729

F02B33/12 - CPC Classification

Classification description:

Engines characterised by provision of pumps for charging or scavenging; Engines with reciprocating-piston pumps; Engines with crankcase pumps with reciprocating-piston pumps other than simple crankcase pumps with the pumping cylinder situated between working cylinder and crankcase, or with the pumping cylinder surrounding working cylinder the rear face of working piston acting as pumping member and co-operating with a pumping chamber isolated from crankcase, the connecting-rod passing through the chamber and co-operating with movable isolating member

Recent Application in this class:
#1
20180347415
2018-12-06

Two-stroke internal combustion engine with crankcase lubrication system

#2
20180283265
2018-10-04

Internal combustion engine

#3
20180283235
2018-10-04

Internal combustion engine

#4
20140331981
2014-11-13

Air intake porting for a two stroke engine

#5
20130228158
2013-09-05

Two stroke engine porting arrangement

#6
20130008681
2013-01-10

Two-cycle engine and engine tool comprising the same

#7
20120297973
2012-11-29

Air intake porting for a two stroke engine

#8
20120272645
2012-11-01

Reciprocating combustion engine

#9
20120222658
2012-09-06

Internal combustion engine with dual-chamber cylinder

#10
20110232599
2011-09-29

Air intake porting for a two stroke engine

#11
20110138998
2011-06-16

Air intake porting for a two stroke engine

#12
20100307432
2010-12-09

Cylinder linkage method for a multi-cylinder internal-combustion engine and a multicylinder linkage compound internalcombustion engine

#13
20100288253
2010-11-18

Air intake porting for a two stroke engine

#14
20100122676
2010-05-20

Internal-combustion engine with reduced pollutants

#15
20100071640
2010-03-25

Internal combustion engine with dual-chamber cylinder

#16
20090283081
2009-11-19

Air intake porting for a two stroke engine

#17
20090250020
2009-10-08

Reciprocating combustion engine

#18
20090151686
2009-06-18

SUPERCHARGED INTERNAL COMBUSTION ENGINE

#19
20090139476
2009-06-04

Internal combustion engine

#20
20090013980
2009-01-15

TWO CYCLE ENGINE

#21
20080060628
2008-03-13

Self-lubricating piston

#22
20080011261
2008-01-17

Air intake porting for a two stroke engine

#23
20070204815
2007-09-06

Air intake porting for a two stroke engine

#24
20060124084
2006-06-15

Internal combustion engine

#25
20050011965
2005-01-20

Method and means for injecting fuel