ClassID:

141031

F02M35/1233 - CPC Classification

Classification description:

Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines; Intake silencers Sound modulation, transmission or amplification; Flow throttling or guiding by using expansion chambers in the air intake flow path

Recent Application in this class:
#1
20240352947
2024-10-24

AIR WARMER

#2
20210025358
2021-01-28

Engine intake system

#3
20190203681
2019-07-04

Engine intake air duct

#4
20190032612
2019-01-31

Silencer having expansion chamber and partition

#5
20180363599
2018-12-20

Intake duct structure of engine intake system for internal combustion engine

#6
20180156172
2018-06-07

Device for attenuating intake noise and radiated noise

#7
20180128218
2018-05-10

Air cleaner for internal combustion engine

#8
20170306984
2017-10-26

Air warmer

#9
20170037817
2017-02-09

Method and systems for exhaust gas recirculation

#10
20150226163
2015-08-13

Resonator for vehicle

#11
20150068481
2015-03-12

Engine noise attenuation

#12
20140338628
2014-11-20

Torque increase resonator

#13
20130129492
2013-05-23

Exhaust-gas turbocharger with silencer

#14
20120090915
2012-04-19

Air duct attenuator

#15
20100255737
2010-10-07

Outboard motor

#16
20100147246
2010-06-17

Outboard motor

#17
20070199535
2007-08-30

Intake apparatus and intake manifold for internal combustion engine

#18
20070119650
2007-05-31

Snowmobile air box assembly

#19
20070054569
2007-03-08

Outboard motor

#20
20050133289
2005-06-23

Intake system structure for vehicle

#21
17713624
2023-02-14

Marine engine intake manifolds having noise attenuation

#22
17556406
2023-04-25

Air induction system including air duct having cylindrical wall with opening extending radially therethrough and feature for minimizing airflow disturbances caused by presence of opening

#23
15891507
2019-07-02

Cowling for outboard motors having an air intake system that provides water management