ClassID:

138947

F02B75/243 - CPC Classification

Classification description:

Other engines; Engines characterised by number of cylinders, e.g. single-cylinder engines; Multi-cylinder engines with cylinders arranged oppositely relative to main shaft and of "flat" type with only one crankshaft of the "boxer" type, e.g. all connecting rods attached to separate crankshaft bearings

Recent Application in this class:
#1
20250314197
2025-10-09

INTERNAL COMBUSTION ENGINE INCLUDING THROUGH-BOLT APERTURE AND SINGLE THROUGH-BOLT

#2
20240044286
2024-02-08

Internal Combustion Engine Having Common Engine Parts And Method Of Forming Same

#3
20230129546
2023-04-27

Crank mechanism for the use in an in-line boxer engine

#4
20220403915
2022-12-22

Internal combustion engine having concentric camshaft and balance shaft

#5
20210140365
2021-05-13

Internal combustion engine

#6
20200173319
2020-06-04

Four stroke engine, handheld work apparatus having a four stroke engine, and method for operating a four stroke engine

#7
20200158015
2020-05-21

Enhanced aero diesel engine

#8
20190063312
2019-02-28

Otto-cycle engine

#9
20180202513
2018-07-19

Internal combustion piston engine for aviation

#10
20150260109
2015-09-17

ACTUATING UNIT FOR VARIABLE POWER PLANT COMPONENTS

#11
20130239930
2013-09-19

Dual crankshaft engine

#12
20130036999
2013-02-14

High-Squish Combustion Chamber With Side Injection

#13
20120298083
2012-11-29

TWO-STROKE HEAVY FUEL ENGINE

#14
20120247419
2012-10-04

Pushrod connection to a journal

#15
20120073538
2012-03-29

Frictionless rocking joint

#16
20100229836
2010-09-16

Guided bridge for a piston in an internal combustion engine

#17
20090272209
2009-11-05

Transmission arrangement

#18
20090090315
2009-04-09

HORIZONTALLY OPPOSED ENGINE

#19
20080245613
2008-10-09

Internal combustion engine with pressure lubrication by the dry sump principle

#20
20080236950
2008-10-02

Internal-combustion engine having a pressure lubrication system according to the dry-sump principle

#21
20070283909
2007-12-13

Internal combustion engine

#22
20060042585
2006-03-02

Vibration prevention structure in engine

#23
20050155561
2005-07-21

Monitoring of closed circuit liquid cooling systems particularly in internal combustion engines

#24
20050155560
2005-07-21

Cooled piston consisting of two parts

#25
20050115524
2005-06-02

Engine

#26
20050109293
2005-05-26

Liquid-cooled engine

#27
20050056237
2005-03-17

Engine cooling structure

#28
20050034698
2005-02-17

Valve train for OHV engine

#29
15828594
2018-07-03

Internal combustion engine with coaxially aligned pistons