ClassID:

140097

F02F3/285 - CPC Classification

Classification description:

Pistons ; Other pistons with specially-shaped head the head being provided with an insert located in or on the combustion-gas-swept surface

Recent Application in this class:
#1
20250270969
2025-08-28

ENGINE HAVING HOTSPOT FUEL IGNITER AND PISTON AND METHODOLOGY USING SAME

#2
20250270968
2025-08-28

PISTON FOR AN INTERNAL COMBUSTION ENGINE, SUITABLE FOR AERODYNAMIC MOVEMENT OF GAS

#3
20240263598
2024-08-08

EMBEDDED PISTON STRUCTURES

#4
20230193849
2023-06-22

Reciprocating-piston internal combustion engine

#5
20190093597
2019-03-28

Multi-layered piston crown for opposed-piston engines

#6
20170335793
2017-11-23

Complex-shaped forged piston oil galleries

#7
20170248099
2017-08-31

Multi-layered piston crown for opposed-piston engines

#8
20170167360
2017-06-15

Internal combustion engine

#9
20170145899
2017-05-25

Multipoint ignition systems and methods

#10
20170082059
2017-03-23

Piston

#11
20170082058
2017-03-23

Fuel injection apparatus

#12
20160281589
2016-09-29

INTERNAL COMBUSTION ENGINE

#13
20160273444
2016-09-22

INTERNAL COMBUSTION ENGINE

#14
20160237945
2016-08-18

Piston crown to raise compression ratio

#15
20160222913
2016-08-04

Complex-shaped forged piston oil galleries

#16
20160201597
2016-07-14

Piston assembly for a reciprocating engine

#17
20160177866
2016-06-23

Piston for an internal combustioin engine

#18
20160169185
2016-06-16

Internal combustion engine

#19
20160153394
2016-06-02

Piston with a ring carrier and a glass piston

#20
20160146151
2016-05-26

Slide shoe for a piston for use in internal combustion engines

#21
20140230775
2014-08-21

Piston for an internal combustion engine

#22
20130213218
2013-08-22

Cooling duct piston and method for producing the same

#23
20130008307
2013-01-10

Piston with an undercrown support feature

#24
20120240873
2012-09-27

Internal combustion engine

#25
20120186555
2012-07-26

Ducted combustion chamber for direct injection engines and method

#26
20110155091
2011-06-30

INLAY PART FOR A PISTON OF AN INTERNAL COMBUSTION ENGINE AND PISTON OR PISTON HEAD PROVIDED WITH THE INLAY PART

#27
20090126676
2009-05-21

Piston for internal-combustion engines