ClassID:

143837

F04C2240/807 - CPC Classification

Classification description:

Components; Other components Balance weight, counterweight

Recent Application in this class:
#1
20260117773
2026-04-30

COMPRESSOR AND REFRIGERATION APPARATUS

#2
20260110298
2026-04-23

SCROLL PLATE COVER AND SCROLL COMPRESSOR

#3
20260022699
2026-01-22

SCROLL COMPRESSOR WITH SHAFT BALANCER AND BUSHING BALANCER

#4
20260016008
2026-01-15

COMPRESSOR COUPLING COMPONENT FOR COUPLING A DRIVE SHAFT AND A MOVABLE SPIRAL IN A SCROLL COMPRESSOR

#5
20260002533
2026-01-01

ROTARY COMPRESSOR AND REFRIGERATION APPARATUS

#6
20250290511
2025-09-18

SCROLL COMPRESSORS INCLUDING RING-SHAPED COUNTERWEIGHT ASSEMBLIES

#7
20250250980
2025-08-07

ROTARY RADIAL VANE COMPRESSOR

#8
20250020124
2025-01-16

COMPRESSOR AND REFRIGERATION DEVICE

#9
20250003406
2025-01-02

Scroll compressor with adjusting mechanism for reducing swing of eccentric bush

#10
20240418170
2024-12-19

COMPRESSOR AND AIR CONDITIONER

#11
20240384773
2024-11-21

VIBRATION FREQUENCY ADJUSTMENT SYSTEM

#12
20240287904
2024-08-29

Driveshaft assemblies and compressors including the same

#13
20240230175
2024-07-11

COMPRESSOR UNIT AND REFRIGERATION APPARATUS

#14
20240026881
2024-01-25

Scroll compressor

#15
20230407869
2023-12-21

Counterweight for a scroll compressor

#16
20230392597
2023-12-07

Scroll compressor and air conditioning system with an exhaust pipe that aids in oil seperation and motor cooling

#17
20230323880
2023-10-12

Balancing mechanism for scroll compressors

#18
20230113626
2023-04-13

Scroll compressor for compressing a refrigerant and method for oil enrichment and distribution

#19
20230103461
2023-04-06

Scroll compressor

#20
20230076531
2023-03-09

ROTOR ASSEMBLY AND COMPRESSOR

#21
20230043328
2023-02-09

Scroll compressor

#22
20230012130
2023-01-12

COMPRESSOR WITH COOLING PUMP

#23
20220341424
2022-10-27

Compressor

#24
20220260076
2022-08-18

Orbiting scroll plate driving assembly and scroll compressor

#25
20220228589
2022-07-21

Method and device for balancing crankshaft deformation, crankshaft, and scroll compressor

#26
20220213894
2022-07-07

SCROLL PUMP CRANK SLEEVE

#27
20220106952
2022-04-07

Compressor and air-conditioner

#28
20220034321
2022-02-03

Dry dual-scroll vacuum pump

#29
20210381508
2021-12-09

Scroll compressor and refrigeration cycle device

#30
20210340984
2021-11-04

Compressor

#31
20210324857
2021-10-21

Scroll compressor including bushing mounted on eccentric shaft containing cylindrical and auxiliary weight portions and balancer disposed above annular rotor remote from back pressure chamber

#32
20210293240
2021-09-23

Scroll compressor

#33
20210254620
2021-08-19

Compressor

#34
20210062811
2021-03-04

Electric compressor

#35
20210062808
2021-03-04

Electric compressor

#36
20210025394
2021-01-28

Counterweight for compressor, motor for compressor and compressor

#37
20200400143
2020-12-24

Scroll compressor

#38
20200332797
2020-10-22

Dynamic radial compliance in scroll compressors

#39
20200309127
2020-10-01

Scroll compressor

#40
20200291940
2020-09-17

Method of making a two-piece counterweight for a scroll compressor

#41
20200256600
2020-08-13

Compressor

#42
20200095989
2020-03-26

Compressor including rotor frame

#43
20200088195
2020-03-19

SCROLL TYPE COMPRESSOR

#44
20200072218
2020-03-05

Scroll compressor and method for producing same

#45
20200049145
2020-02-13

Scroll compressor

#46
20200025197
2020-01-23

Scroll compressor with buffer member between the orbiting groove and the balance weight

#47
20190334407
2019-10-31

Scroll compressor having axial fan and discharge brush

#48
20190323505
2019-10-24

Compressor comprising a compression mechanism driven by a main shaft having a balance weight comprising an annular oil-receiving recessed portion communicating with a part of a hollow portion of the balance weight

#49
20190301464
2019-10-03

Scroll compressor including bushing mounted on eccentric shaft containing cylindrical and auxiliary weight portions and balancer disposed above annular rotor remote from back pressure chamber

#50
20190264687
2019-08-29

Scroll compressor having a fitted bushing and weight arrangement

#51
20190257309
2019-08-22

Eccentric bush assembly structure of scroll compressor

#52
20190211820
2019-07-11

Scroll-type machine

#53
20190170139
2019-06-06

Scroll compressor orbital path balancing mass

#54
20190162184
2019-05-30

Co-rotating scroll compressor and method for designing the same

#55
20190113034
2019-04-18

Electric refrigerant drive

#56
20190063436
2019-02-28

Scroll compressor

#57
20180363653
2018-12-20

Scroll compressor

#58
20180291903
2018-10-11

COMPRESSOR

#59
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

#60
20180223850
2018-08-09

Compressor

#61
20180216616
2018-08-02

Scroll compressor with an orbital disc lubrication system

#62
20180187679
2018-07-05

SCROLL COMPRESSOR

#63
20180163725
2018-06-14

Eccentric compensating torsional drive system

#64
20180128269
2018-05-10

Scroll compressor

#65
20180106513
2018-04-19

Electric motor for compressor, compressor, and refrigeration cycle device

#66
20170356445
2017-12-14

Eccentric bush assembly structure of scroll compressor

#67
20170350394
2017-12-07

Rotary-type compressor

#68
20170292519
2017-10-12

Compressor having sound isolation feature

#69
20170292518
2017-10-12

Compressor having sound isolation feature

#70
20170292517
2017-10-12

Motor-operated compressor

#71
20170268515
2017-09-21

Compressor oil separation and assembly method

#72
20170260980
2017-09-14

Method of making a two-piece counterweight for a scroll compressor

#73
20170101927
2017-04-13

Internal combustion engine

#74
20170089341
2017-03-30

SCROLL COMPRESSOR AND METHOD OF MANUFACTURING THE SAME

#75
20170082109
2017-03-23

Posture control of a balance weight in a scroll compressor

#76
20160312780
2016-10-27

Compressor having counterweight assembly

#77
20160230764
2016-08-11

Scroll compressor

#78
20160146208
2016-05-26

Scroll compressor

#79
20160040672
2016-02-11

Compressor

#80
20150333582
2015-11-19

Compressor, heat pump device, air conditioner, and freezing machine

#81
20150330382
2015-11-19

Hermetic rotary compressor

#82
20150322790
2015-11-12

Rotation device and rotor compressor and fluid motor having the same

#83
20150285249
2015-10-08

Scroll compressor

#84
20150275898
2015-10-01

Alignment feature for a lower bearing assembly for a scroll compressor

#85
20150244238
2015-08-27

Rotary compressor with the balance weight formed with a recess for receiving the head of a rivet

#86
20150184653
2015-07-02

Fan-shaped rotor set with balance positioning apertures

#87
20150184652
2015-07-02

Rotary machine and compressor

#88
20150176584
2015-06-25

Scroll pump

#89
20150159653
2015-06-11

Scroll pump having axially compliant spring element

#90
20150159650
2015-06-11

Scroll pump having axially compliant spring element

#91
20150118089
2015-04-30

Compressor with unloader counterweight assembly

#92
20150093276
2015-04-02

Scroll type fluid machine with eccentric bush

#93
20150078945
2015-03-19

Scroll compressor

#94
20150052936
2015-02-26

Sealed compressor and vapor compression refrigeration cycle apparatus including the sealed compressor

#95
20140356209
2014-12-04

Variable speed scroll compressor

#96
20140348682
2014-11-27

Scroll-type compressor and CO2 vehicle air conditioning system having a scroll-type compressor

#97
20140255231
2014-09-11

Scroll compressor with a balancer and elastic member

#98
20140209056
2014-07-31

Air-cooled rotary engine

#99
20140205484
2014-07-24

Radially compliant scroll compressor

#100
20140044574
2014-02-13

Scroll compression device

#101
20130259724
2013-10-03

Rotary piston machine having shaft encoder

#102
20130251569
2013-09-26

Crankshaft with aligned drive and counterweight locating features

#103
20130251567
2013-09-26

Scroll compressor counterweight with axially distributed mass

#104
20130039791
2013-02-14

Scroll pump including drive shaft extending through fixed scroll

#105
20120269667
2012-10-25

HERMETIC COMPRESSOR

#106
20120258003
2012-10-11

SCROLL COMPRESSOR WITH SPRING TO ASSIST IN HOLDING SCROLL WRAPS IN CONTACT

#107
20120244026
2012-09-27

COUNTERWEIGHT INCORPORATED INTO SLIDER BLOCK FOR SCROLL COMPRESSOR

#108
20120189470
2012-07-26

Compressor

#109
20120107151
2012-05-03

Refrigerant compressor

#110
20110033324
2011-02-10

Compressor having counterweight cover

#111
20100209278
2010-08-19

SCROLL-TYPE FLUID MACHINE

#112
20100166589
2010-07-01

Bearings of a scroll type machine with crank mechanism

#113
20100150752
2010-06-17

Revolution type compressor

#114
20090304539
2009-12-10

Motor-driven scroll type compressor

#115
20090129959
2009-05-21

Balance shaft module equipped with oil pump

#116
20080292484
2008-11-27

Compressor and device for reducing vibration therefor

#117
20080175738
2008-07-24

COMPRESSOR AND OIL BLOCKING DEVICE THEREFOR

#118
20070122297
2007-05-31

Rotary compressor

#119
20060133944
2006-06-22

Scroll machine with brushless permanent magnet motor

#120
20060127262
2006-06-15

Oil discharge preventing apparatus of scroll compressor

#121
20050025651
2005-02-03

Method of correcting imbalance of a scroll compressor

#122
18850806
2026-01-20

Scroll compressor with shaft balancer and bushing balancer

#123
18602626
2025-03-18

Scroll compressors including ring-shaped counterweight assemblies

#124
17834858
2023-06-27

Drive shaft connector with counterweight and blades for cooling pump motor