ClassID:

143791

F04C2230/231 - CPC Classification

Classification description:

Manufacture essentially without removing material by permanently joining parts together by welding

Recent Application in this class:
#1
20240271607
2024-08-15

HERMETIC TYPE COMPRESSOR

#2
20240167474
2024-05-23

Scroll compressor and refrigeration cycle apparatus

#3
20240011491
2024-01-11

COMPRESSOR INCLUDING REFRIGERANT INTRODUCTION TUBE

#4
20230383751
2023-11-30

COMPRESSOR

#5
20230235670
2023-07-27

Accumulator fixing device for compressor and compressor having the same

#6
20230204031
2023-06-29

Compressor and method for manufacturing compressor

#7
20230094593
2023-03-30

HORIZONTAL COMPRESSOR

#8
20220416451
2022-12-29

Fitting of an electrical terminal for a scroll compressor

#9
20220294280
2022-09-15

Compressor

#10
20220074412
2022-03-10

Scroll compressor including a baseplate having a mounting base and a cylindrical rim secured by a double-welded T-joint

#11
20220065251
2022-03-03

Compression mechanism housing for a compressor

#12
20220065250
2022-03-03

Scroll compressor and refrigeration apparatus including same

#13
20210310489
2021-10-07

Compressor having external temperature sensor and method of manufacturing compressor

#14
20210199112
2021-07-01

Oil pump and scroll compressor

#15
20210095666
2021-04-01

Scroll compressor

#16
20200284262
2020-09-10

Progressing cavity device with cutter disks

#17
20200158110
2020-05-21

Compressor having surface of scroll compressor defining boundary of inlet and surface guide defining boundary of vent facing each other and electronic device using the same

#18
20200032796
2020-01-30

Scroll compressor and method of manufacturing the scroll compressor

#19
20190271314
2019-09-05

Rotary compressor and assembly method thereof

#20
20180372101
2018-12-27

LOW INERTIA LAMINATED ROTOR

#21
20180320519
2018-11-08

Scroll compressor having a baseplate including first and second cylindrical rim portions

#22
20180238326
2018-08-23

A STATOR OF A ROTARY VANE-TYPE PUMP

#23
20180216856
2018-08-02

Rotary compressor and refrigeration cycle device

#24
20180119697
2018-05-03

Progressing cavity device with cutter disks

#25
20170276135
2017-09-28

Rotary compressor

#26
20170268506
2017-09-21

Method of coupling stator/rotor laminates

#27
20170101989
2017-04-13

METHODS FOR MAKING A LOW INERTIA LAMINATED ROTOR

#28
20160363122
2016-12-15

Ring weld blocker in discharge check valve

#29
20160348677
2016-12-01

Scroll compressor

#30
20160315517
2016-10-27

Compressor

#31
20160305430
2016-10-20

Scroll compressor having an insulated high-strength partition assembly

#32
20160003248
2016-01-07

Low inertia laminated rotor

#33
20150204325
2015-07-23

Internal gear pump

#34
20150183048
2015-07-02

Device and process for simultaneous shaping and welding of connector pipes for compressors

#35
20140369879
2014-12-18

Hollow gerotor

#36
20130251550
2013-09-26

Compressor baseplate with stiffening ribs for increased oil volume and rail mounting without spacers

#37
20130248022
2013-09-26

Suction duct with heat-staked screen

#38
20130000986
2013-01-03

Drilling motors with elastically deformable lobes

#39
20120308378
2012-12-06

Fluid machine provided with hermetic container that is subjected to pressure of working fluid

#40
20120189482
2012-07-26

Compressor and manufacturing method thereof

#41
20120156067
2012-06-21

Compressor

#42
20110200471
2011-08-18

Compressor and manufacturing method thereof

#43
20110129377
2011-06-02

Scroll Compressor and Method for Manufacturing the Same

#44
20110058930
2011-03-10

MOTOR/PUMP WITH SPIRAL WOUND STATOR TUBE

#45
20100229386
2010-09-16

Powder metal scrolls and sinter-brazing methods for making the same

#46
20100215533
2010-08-26

Scroll type compressor including a suction pipe having iron portion and copper portion

#47
20100196185
2010-08-05

Enclosed compressor

#48
20100172756
2010-07-08

Rotary compressor

#49
20090232679
2009-09-17

Compressor having compression element welded to closed container at three or more welding points and suction tube neither parallel nor perpendicular to a straight line connecting any two of the welding points

#50
20090120686
2009-05-14

Electric power terminal feed-through

#51
20090068046
2009-03-12

Compressor and manufacturing method thereof

#52
20090038150
2009-02-12

METHOD FOR PRODUCING COMPRESSOR, AND COMPRESSOR

#53
20080226483
2008-09-18

Compressor with oil separation and storage

#54
20080170958
2008-07-17

ROTOR ASSEMBLY AND METHOD OF FORMING

#55
20080075609
2008-03-27

Compressor

#56
20080008608
2008-01-10

Compressor, method for manufacturing the compressor, defroster of refrigerant circuit, and refrigerant unit

#57
20070140882
2007-06-21

Eccentric screw pump equipped with erosion-resistant rotor

#58
20070116589
2007-05-24

Method and apparatus for compressor re-manufacture

#59
20070065298
2007-03-22

Liquid ring pump

#60
20060168994
2006-08-03

Compressor, method for manufacturing the compressor, defroster of refrigerant circuit, and refrigerant unit

#61
20060127260
2006-06-15

Scroll compressor having frame fixing structure and frame fixing method thereof

#62
20060073061
2006-04-06

Sleeve for coupling a refrigerant pipe to a compressor container

#63
20060039814
2006-02-23

Working unit of a rotary combustion engine

#64
20050069440
2005-03-31

Multistage dry pump

#65
18907798
2025-08-12

Rotary compressor