Patents-Review.com
ClassID:

143151 ⎘

F04B53/001 - CPC Classification

Classification description:

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

Sub-classes:
Recent Application in this class:
#1
20260138568
2026-05-21

PUMP AND SENSOR CLEANING DEVICE INCLUDING THE SAME

 #2
20260117764
2026-04-30

Ultra Quiet Suction System with Improved Lifespan

 #3
20260098528
2026-04-09

AIR OPERATED DOUBLE DIAPHRAGM PUMP WITH ACCESSIBLE FEATURES

 #4
20250345735
2025-11-13

NOISE SUPPRESSION AIR FILTER FOR AN AIR COMPRESSOR

 #5
20250331756
2025-10-30

PATIENT MONITORING SYSTEMS, DEVICES, AND METHODS

 #6
20250255528
2025-08-14

BLOOD PRESSURE MONITOR ASSEMBLY

 #7
20250207581
2025-06-26

PUMP NOISE ATTENUATOR AND METHOD THEREOF

 #8
20240298952
2024-09-12

ELECTROCARDIOGRAM DEVICE

 #9
20240218871
2024-07-04

HYDRAULIC DEVICE

 #10
20240052821
2024-02-15

AIR COMPRESSOR SYSTEM

 #11
20240011476
2024-01-11

Pump With Vibration Isolators

 #12
20230332590
2023-10-19

AIR OPERATED DOUBLE DIAPHRAGM PUMP WITH ACCESSIBLE FEATURES

 #13
20230309892
2023-10-05

PHYSIOLOGICAL MONITORING DEVICE ATTACHMENT ASSEMBLY

 #14
20230293078
2023-09-21

BLOOD PRESSURE MONITOR ATTACHMENT ASSEMBLY

 #15
20230272788
2023-08-31

Electric air pump

 #16
20230267904
2023-08-24

Baffling system designed for acoustic suppression

 #17
20230184237
2023-06-15

Transmission assembly of pump head of diaphragm booster pump, pump head of diaphragm booster pump, and diaphragm booster pump

 #18
20230151804
2023-05-18

Pump head of diaphragm booster pump, diaphragm booster pump, water treatment device and method of operating pump head

 #19
20230058866
2023-02-23

Air compressing apparatus with dry-air internal-emission trap unit

 #20
20230009988
2023-01-12

Pulsation damper

 #21
20220381238
2022-12-01

PUMP NOISE ATTENUATOR AND METHOD THEREOF

 #22
20220260073
2022-08-18

Pump noise attenuator and method thereof

 #23
20220260065
2022-08-18

Reciprocating compressor having a suction acoustic filter with a fastener that deforms when in place

 #24
20220235759
2022-07-28

Reciprocating compressor

 #25
20220186724
2022-06-16

Fracturing equipment

 #26
20220136492
2022-05-05

Linear compressor and refrigerator including same

 #27
20220010790
2022-01-13

Booster pump and water purification device

 #28
20210404458
2021-12-30

Reciprocating-piston machine, compressed air supply system, vehicle and method for producing a reciprocating-piston machine

 #29
20210277886
2021-09-09

Compressor

 #30
20210215150
2021-07-15

Micro pump having noise-reduced pressure-releasing structure

 #31
20210180585
2021-06-17

MINI AIR PUMP

 #32
20210172349
2021-06-10

Oil suction pump

 #33
20210140439
2021-05-13

End element for the stator of an electric motor of a hermetically sealed refrigerant compressor

 #34
20210131422
2021-05-06

PUMP NOISE DAMPENER

 #35
20210131417
2021-05-06

DIAPHRAGM PUMP WITH SENSOR MOUNT

 #36
20210048008
2021-02-18

Motor-hydraulic machine unit for attachment to a hydraulic assembly

 #37
20210024047
2021-01-28

Hydraulic unit for brake system

 #38
20210022628
2021-01-28

Patient monitoring systems, devices, and methods

 #39
20200400135
2020-12-24

Pump With Vibration Isolators

 #40
20200340468
2020-10-29

Sound reduction device for rocking piston pumps and compressors

 #41
20200330037
2020-10-22

Physiological monitoring device attachment assembly

 #42
20200329993
2020-10-22

Electrocardiogram device

 #43
20200329984
2020-10-22

Blood pressure monitor attachment assembly

 #44
20200329983
2020-10-22

Liquid inhibiting air intake for blood pressure monitor

 #45
20200300237
2020-09-24

Medical suction pump

 #46
20200278334
2020-09-03

Sampling pumps and gas analyzers

 #47
20200182229
2020-06-11

Linear compressor with a plurality of spring strands

 #48
20200088179
2020-03-19

Method for reducing the pulsation level in a multi-compressor plant employing reciprocating compressors

 #49
20200031388
2020-01-30

MOTOR OIL PUMP ASSEMBLY, STEERING SYSTEM, AND VEHICLE

 #50
20200025186
2020-01-23

Linear compressor with a plurality of spring strands

 #51
20200023411
2020-01-23

PRESSURE WASHER

 #52
20200011547
2020-01-09

Air conditioner

 #53
20190264676
2019-08-29

Method and apparatus for vibration compensation in a piston compressor

 #54
20190264667
2019-08-29

Pump drivetrain damper system and control systems and methods for same

 #55
20190219312
2019-07-18

LINEAR COMPRESSOR AND REFRIGERATOR INCLUDING SAME

 #56
20190159826
2019-05-30

Smoke evacuation device inlet and outlet manifolds

 #57
20190145387
2019-05-16

Multi-chamber wobble plate pump

 #58
20190113036
2019-04-18

Vacuum pump having a silencer

 #59
20190085846
2019-03-21

AIRFOIL BATTS FOR AIR INTAKE OF A COMPRESSOR HOUSING

 #60
20190048862
2019-02-14

Piston pump for brake system

 #61
20180328328
2018-11-15

Pulsation damper and fuel pump device

 #62
20180313343
2018-11-01

DYNAMIC VARIABLE ORIFICE FOR COMPRESSOR PULSATION CONTROL

 #63
20180291890
2018-10-11

INTEGRATED MUFFLER ASSEMBLY

 #64
20180258935
2018-09-13

Electrically driven compressor mounted on a vehicle engine having a weight inside to shift the resonance frequency of the compressor from that of the engine

 #65
20180223826
2018-08-09

Dual diaphragm pump having a pressure pulsation pad

 #66
20180180327
2018-06-28

Acustic Filter Provide with Fluid Selector Device

 #67
20180142678
2018-05-24

Dynamic variable orifice for compressor pulsation control

 #68
20180119694
2018-05-03

Compact pump and diaphragm assembly used therein

 #69
20180119686
2018-05-03

Pump with vibration isolators

 #70
20180106244
2018-04-19

Electric pump

 #71
20180022191
2018-01-25

Suction dampening device with internal dampening for vehicle air conditioning compressor

 #72
20180003171
2018-01-04

Method and system for minimizing vibration in a multi-pump arrangement

 #73
20170356432
2017-12-14

Suction acoustic filter and suction line including suction acoustic filter

 #74
20170342975
2017-11-30

WATER PUMP ASSEMBLY

 #75
20170335842
2017-11-23

Pumping system, vibration limiting device, and method

 #76
20170335837
2017-11-23

Connector for a compressor assembly

 #77
20170321677
2017-11-09

Linear compressor having discharge valve, support with rotation prevention protrusions, and discharge cover with protrusion accommodation grooves

 #78
20170292514
2017-10-12

Hydraulic machine comprising elongate mounting pads for reducing noise

 #79
20170284389
2017-10-05

Control device for high pressure pump

 #80
20170218985
2017-08-03

Reducing noise double-channel oil pump

 #81
20170211558
2017-07-27

High-pressure pump control unit

 #82
20170152841
2017-06-01

Exhaust air conduit for a coating agent pump

 #83
20170114783
2017-04-27

METHOD AND DEVICE FOR ACTUATING A RECIPROCATING PUMP

 #84
20170096987
2017-04-06

Fuel pump

 #85
20170090457
2017-03-30

Pump integrity detection, monitoring and alarm generation

 #86
20170089291
2017-03-30

High pressure pump controller

 #87
20170021814
2017-01-26

Hydraulic unit

 #88
20160341347
2016-11-24

Manifold and methods of manufacturing same

 #89
20160341226
2016-11-24

Controlled pump augmentation for active vibration isolation

 #90
20160319805
2016-11-03

Fluid end with modular intake manifold

 #91
20160281694
2016-09-29

System for feeding and pumping of less pumpable material in a conduit line

 #92
20160258427
2016-09-08

Fuel supply system

 #93
20160238001
2016-08-18

DOUBLE-HEADED PISTON TYPE COMPRESSOR

 #94
20160208795
2016-07-21

Sleeping system

 #95
20160201663
2016-07-14

Diaphragm pump with sensor mount

 #96
20160195084
2016-07-07

Damper for a high-pressure pump

 #97
20160186741
2016-06-30

CONTROL DEVICE FOR HIGH-PRESSURE PUMP

 #98
20160169173
2016-06-16

PULSATION DAMPER AND HIGH-PRESSURE FUEL PUMP

 #99
20160053904
2016-02-25

Tilting disc check valve

 #100
20160053891
2016-02-25

COMPRESSOR HEAD AND GASKET FOR SAME

 #101
20160053754
2016-02-25

Linear compressor, and apparatus and method for controlling a linear compressor

 #102
20160053750
2016-02-25

MAGNETIC SYSTEM FOR ISOLATED CHAMBER PUMPS

 #103
20150377318
2015-12-31

Pump drivetrain damper system and control systems and methods for same

 #104
20150354726
2015-12-10

Noise attenuation in a Venturi device and/or check valves

 #105
20150300350
2015-10-22

High-efficiency double-intake air pump

 #106
20150292492
2015-10-15

Piston pump assembly of electronic controlled brake device for vehicle

 #107
20150275884
2015-10-01

Gas discharge system for a refrigeration compressor and a refrigeration compressor

 #108
20150275883
2015-10-01

Thermal insulation system for the discharge of gas in a refrigeration compressor

 #109
20150260182
2015-09-17

Pulsation damper

 #110
20150176580
2015-06-25

Compressor and valve assembly thereof for reducing pulsation and/or noise

 #111
20150176576
2015-06-25

Compressor and discharging muffler thereof

 #112
20150147192
2015-05-28

Vehicle and a method of reducing sound produced by a liquid fluid pump

 #113
20150040998
2015-02-12

Tunable check valve

 #114
20150025461
2015-01-22

Microfluidic Delivery Device

 #115
20140377107
2014-12-25

HERMETIC COMPRESSOR WITH DISCHARGE PULSATION REDUCING MEMBER MOUNTED THEREON

 #116
20140326042
2014-11-06

Sampling pumps and gas analyzers

 #117
20140314349
2014-10-23

Electric motor

 #118
20140301876
2014-10-09

Piston pump having a holder

 #119
20140284131
2014-09-25

Work vehicle with fluid attentuator

 #120
20140230928
2014-08-21

Tunable check valve

 #121
20140144528
2014-05-29

Tunable fluid end

 #122
20140144527
2014-05-29

Tunable fluid end

 #123
20140130887
2014-05-15

Manifold and methods of manufacturing same

 #124
20140127047
2014-05-08

Pulsation Attenuation

 #125
20130330209
2013-12-12

Gradient systems and methods

 #126
20130280109
2013-10-24

Modular discharge silencer for vehicle-mounted compressor

 #127
20130230417
2013-09-05

Pulsation damper

 #128
20130209289
2013-08-15

Three element diaphragm damper for fuel pump

 #129
20130189141
2013-07-25

Dampeners for pumping systems

 #130
20130136627
2013-05-30

Outlet device with collected outer sound to control the waterway

 #131
20130081536
2013-04-04

PUMP PISTON ASSEMBLY WITH ACOUSTIC DAMPENING DEVICE

 #132
20130068091
2013-03-21

Hydraulic pump/motor and method of suppressing pulsation of hydraulic pump/motor

 #133
20130052064
2013-02-28

High pressure pump

 #134
20130034459
2013-02-07

Pump

 #135
20130020146
2013-01-24

Sound insulation in a refrigerant circuit

 #136
20130008512
2013-01-10

Pump pulsation discharge dampener with curved internal baffle and pressure drop feature creating two internal volumes

 #137
20120325356
2012-12-27

Pulsation Attenuation

 #138
20120189477
2012-07-26

Pump pulsation discharge dampener with dual pressure drop tube assemblies having unequal sizes

 #139
20120087817
2012-04-12

Three element diaphragm damper for fuel pump

 #140
20120084986
2012-04-12

Dust collecting vacuum hose attachment

 #141
20120076667
2012-03-29

ELECTRIC MOTOR PUMP CONTROL INCORPORATING PUMP ELEMENT POSITION INFORMATION

 #142
20120020815
2012-01-26

COMPRESSOR AND OXYGEN CONDENSING DEVICE

 #143
20110318166
2011-12-29

Pulsation Damper Element for a Fluid Pump and Associated Fluid Pump

 #144
20110250084
2011-10-13

Pumping systems with dedicated surge dampeners

 #145
20110243760
2011-10-06

Pressure recovery insert for reciprocating gas compressor

 #146
20110085924
2011-04-14

PUMP ASSEMBLY VIBRATION ABSORBER SYSTEM

 #147
20110076171
2011-03-31

Suction valve of variable capacity compressor for vehicle

 #148
20100310389
2010-12-09

SYSTEM FOR ATTENUATING PULSATION IN THE GAS DISCHARGE OF A REFRIGERATION COMPRESSOR

 #149
20100276226
2010-11-04

Muffler

 #150
20100150747
2010-06-17

Pump having pulsation-reducing engagement surface

 #151
20100129234
2010-05-27

SHOCK DAMPER FOR OUTLET PIPE OF DIAPHRAGM PUMP

 #152
20100098568
2010-04-22

Mud pump systems for wellbore operations

 #153
20090263258
2009-10-22

VIBRATION DAMPENING MEDIA IN HYDRAULIC POWER UNITS

 #154
20090238698
2009-09-24

Reciprocal Compressor

 #155
20090218457
2009-09-03

Method of manufacturing a shell type needle roller bearing including drawing and ironing operations

 #156
20090211435
2009-08-27

Method and device for suppressing vibration of boom of concrete pump truck

 #157
20090116974
2009-05-07

Compressor

 #158
20090090579
2009-04-09

Silencer for refrigeration cycle system

 #159
20090038684
2009-02-12

Pulsation attenuation

 #160
20080213106
2008-09-04

Lifting Piston Fuel Pump and Method for Starting and Operating a Motor Vehicle Heating System

 #161
20080190502
2008-08-14

Valve Assembly, in Particular Inlet Valve of a High-Pressure Fuel Pump

 #162
20080031747
2008-02-07

Reciprocating pump with reduced noise level

 #163
20070172168
2007-07-26

Shell type needle roller bearing, support structure for compressor spindle, and support structure for piston pump driving portion

 #164
20070020132
2007-01-25

NVH and gas pulsation reduction in AC compressor

 #165
20060065477
2006-03-30

Muffler

 #166
20050186099
2005-08-25

Active vibration reduction

 #167
20050112004
2005-05-26

Pump

 #168
20050053487
2005-03-10

Motor/pump aggregate