ClassID:

143152

F04B53/002 - CPC Classification

Classification description:

Component parts, details or accessories not provided for in, or of interest apart from, groups  -  or  - ; Noise damping by encapsulation

Recent Application in this class:
#1
20240093585
2024-03-21

Fracturing apparatus

#2
20230124444
2023-04-20

Fracturing equipment

#3
20230120810
2023-04-20

Fracturing apparatus

#4
20220403859
2022-12-22

Electronic pump and methods of using the same

#5
20220381238
2022-12-01

PUMP NOISE ATTENUATOR AND METHOD THEREOF

#6
20220379789
2022-12-01

Air pump device and seat apparatus

#7
20220282718
2022-09-08

Hydraulic pump system

#8
20220186724
2022-06-16

Fracturing equipment

#9
20210324849
2021-10-21

MOTOR OIL PUMP ASSEMBLY, STEERING SYSTEM, AND VEHICLE

#10
20210102540
2021-04-08

Package-type compressor

#11
20200333040
2020-10-22

Outdoor unit of air-conditioning apparatus

#12
20200300246
2020-09-24

Package-type compressor

#13
20200025194
2020-01-23

MOTOR OIL PUMP ASSEMBLY, STEERING SYSTEM, AND VEHICLE

#14
20190345924
2019-11-14

Linear compressor with a coupling

#15
20190219069
2019-07-18

Motor oil pump assembly, steering system, and vehicle

#16
20190203684
2019-07-04

High-Pressure Fuel Pump

#17
20190178238
2019-06-13

Suction muffler

#18
20180306151
2018-10-25

High-pressure fuel pump

#19
20170268502
2017-09-21

PUMP AND APPARATUS FOR SUPPLYING LIQUID

#20
20170191390
2017-07-06

Silencer

#21
20170184087
2017-06-29

Multi-stage piston compressor having an outer cooling air conduction system

#22
20170023165
2017-01-26

Pulsation damper

#23
20130189141
2013-07-25

Dampeners for pumping systems

#24
20120315159
2012-12-13

Acoustic cover for vehicle fuel injection pump

#25
20120097274
2012-04-26

Vibration reducing device for pump cover body of water shut-off diaphragm pump

#26
20120063937
2012-03-15

Suction arrangement for a hermetic refrigeration compressor

#27
20110290582
2011-12-01

Sound-damping housing for a pump and for a drive motor for said pump

#28
20110129367
2011-06-02

Motorized vacuum pump with sound absorbing unit

#29
20110017544
2011-01-27

ACOUSTIC DAMPENING ENCLOSURE FOR A MECHANICAL DEVICE

#30
20100215529
2010-08-26

Damper device, high pressure pump having the same and manufacturing method of the same

#31
20100166586
2010-07-01

Hermetic compressor

#32
20100116583
2010-05-13

Enclosure, assembly and method for reducing noise from a pump and mass spectrometry system

#33
20100098568
2010-04-22

Mud pump systems for wellbore operations

#34
20100045064
2010-02-25

Portable work machine for pumping concrete or thick liquids and having a carrying framework and a covering hood

#35
20080099275
2008-05-01

Sound Attenuation Enclosure

#36
20060210859
2006-09-21

Pump having noise-proof and vibration-proof structure and fuel cell system using the same