ClassID:

38338

B21C37/158 - CPC Classification

Classification description:

Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes; Making tubes of special shape; Making tube fittings; Making tubes with wall irregularities Protrusions, e.g. dimples

Recent Application in this class:
#1
20230166317
2023-06-01

Method for producing a flat tube

#2
20190275576
2019-09-12

Structural member

#3
20190091745
2019-03-28

Method and tool for calibration of a hollow profile component produced by extrusion for automobile manufacturing

#4
20190039077
2019-02-07

Electrical dust filter manufacturing method and electrical dust filter manufactured thereby

#5
20180099320
2018-04-12

Rectangilar-Ribbed Profile Tubular Core and Method

#6
20160089623
2016-03-31

Method of manufacturing filter pipe for vehicle and filter pipe for vehicle

#7
20140150263
2014-06-05

Manufacturing method of thin heat pipe

#8
20140117069
2014-05-01

Apparatus and method for producing a tailored sheet metal strip or metal profile

#9
20130309023
2013-11-21

Depression-provided steel pipe and composite pile

#10
20130248158
2013-09-26

Method for manufacturing refrigerant guide tube of heat exchanger, refrigerant guide tube manufactured using the method and heat exchanger with the refrigerant guide tube

#11
20130180689
2013-07-18

Method for the production of a heat exchanger having a tubulator insert

#12
20120312517
2012-12-13

Process for producing heat exchanger tubes and heat exchanger tubes

#13
20120247600
2012-10-04

Rotary die forming process and apparatus for fabricating multi-port tubes

#14
20100012306
2010-01-21

Procedure For Manufacture Of A Tube For Conveyance Of A Fluid Of A Heat Exchanger, And Tube Obtained By Such Procedure

#15
20090242067
2009-10-01

PROCESSES FOR TEXTURED PIPE MANUFACTURER

#16
20090223656
2009-09-10

HEAT EXCHANGER TUBE

#17
20090133865
2009-05-28

Process for producing heat exchanger tubes and heat exchanger tubes

#18
20090071639
2009-03-19

HEAT EXCHANGER

#19
20090020278
2009-01-22

Flat tube, flat tube heat exchanger, and method of manufacturing same

#20
20090020277
2009-01-22

Flat tube, flat tube heat exchanger, and method of manufacturing same

#21
20090019696
2009-01-22

FLAT TUBE, FLAT TUBE HEAT EXCHANGER, AND METHOD OF MANUFACTURING SAME

#22
20090019695
2009-01-22

Flat tube, flat tube heat exchanger, and method of manufacturing same

#23
20090019694
2009-01-22

Flat tube, flat tube heat exchanger, and method of manufacturing same

#24
20090019689
2009-01-22

Flat tube, flat tube heat exchanger, and method of manufacturing same

#25
20090014165
2009-01-15

FLAT TUBE, FLAT TUBE HEAT EXCHANGER, AND METHOD OF MANUFACTURING SAME

#26
20080141872
2008-06-19

Pressing Method for Sealing Heat Pipe

#27
20070261821
2007-11-15

Radiator

#28
20070235163
2007-10-11

Indented tube for a heat exchanger

#29
20070163757
2007-07-19

Surface with reduced particle deposition and reduced ice formation

#30
20070089873
2007-04-26

3-D dimpled heat exchanger

#31
20060237976
2006-10-26

Crushable structure manufactured from mechanical expansion

#32
20060213346
2006-09-28

Tool for making enhanced heat transfer surfaces

#33
20060201665
2006-09-14

Heat exchanger tube having strengthening deformations

#34
20060076147
2006-04-13

Method of completing a well

#35
20050081379
2005-04-21

Heat exchangers comprising winglet tubes, winglet tubes and method for producing same

#36
20050067156
2005-03-31

Pressure containing heat transfer tube and method of making thereof

#37
17679254
2023-05-09

Method of manufacturing vehicle body structure component to include reinforced regions