ClassID:

140032

F02F2001/244 - CPC Classification

Classification description:

Cylinders; Cylinder heads ; Cylinder heads Arrangement of valve stems in cylinder heads

Sub-classes:
Recent Application in this class:
#1
20250116241
2025-04-10

CYLINDER HEAD OFFSET CHAMFER DESIGN

#2
20240200513
2024-06-20

Gaseous fuel engine having non-axisymmetric fuel admission valve and method

#3
20210348580
2021-11-11

Cylinder head for an internal combustion engine and method for the production thereof

#4
20210340890
2021-11-04

Stem seal for valve assembly of machine engine

#5
20210095614
2021-04-01

VARIABLE TRAVEL VALVE APPARATUS FOR AN INTERNAL COMBUSTION ENGINE

#6
20200141287
2020-05-07

Valve bridge systems comprising valve bridge guide

#7
20200132015
2020-04-30

Cylinder head

#8
20190338724
2019-11-07

Variable travel valve apparatus for an internal combustion engine

#9
20190277221
2019-09-12

Thermally compensated bore guide systems and methods

#10
20190078532
2019-03-14

Engine with rotating valve assembly

#11
20180320630
2018-11-08

Internal Combustion Engine Cylinder Head with Tubular Apparatus for Intake and Exhaust

#12
20180320562
2018-11-08

Cylinder head structure for internal combustion engine and internal combustion engine

#13
20180209312
2018-07-26

Valve stem seal assembly with a symmetrical retainer

#14
20180135555
2018-05-17

Internal combustion engine

#15
20180106212
2018-04-19

Manufacturing method for engine

#16
20180094601
2018-04-05

Saddle-ride type vehicle

#17
20180045112
2018-02-15

Helical follower internal combustion engine

#18
20160363093
2016-12-15

Engine exhaust valve shield

#19
20160265473
2016-09-15

Friction-welded structure assembly, water-cooled internal combustion engine cylinder head, water-cooled internal combustion engine and machine equipped with same

#20
20150285182
2015-10-08

Internal combustion engine for natural gas compressor operation

#21
20150101551
2015-04-16

Laser welding method and engine cooling structure

#22
20100037840
2010-02-18

Internal combustion engine