ClassID:

38329

B21C37/14 - 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 from double flat material

Recent Application in this class:
#1
20230182188
2023-06-15

Overlapping and progressive forming method for high-performance multi-element NiAl-based alloy tubular part

#2
20190184437
2019-06-20

Clad welded pipe or tube and method of producing same

#3
20180162205
2018-06-14

Bracket-integrated double-layer door impact beam, apparatus and method for manufacturing the same

#4
20150076215
2015-03-19

Method of manufacturing curvilineal closed structure parts without flange and apparatus for the same

#5
20150068020
2015-03-12

METHOD FOR PRODUCING MULTI-WALLED METALLIC TUBES

#6
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

#7
20130230735
2013-09-05

METHOD FOR PRODUCING A CHANNEL ARRANGEMENT, A CHANNEL ARRANGEMENT, USE OF A CHANNEL ARRANGEMENT AND A METAL PROFILE

#8
20130180694
2013-07-18

Solderable fluid channel for a heat exchanger of aluminum

#9
20130130084
2013-05-23

Battery block and method of manufacturing the same

#10
20120312517
2012-12-13

Process for producing heat exchanger tubes and heat exchanger tubes

#11
20120171506
2012-07-05

CURVED PARTS AND METHOD FOR MANUFACTURING THE SAME

#12
20110162825
2011-07-07

Heat exchanger for a motor vehicle, and method for manufacturing a cooling tube of a heat exchanger

#13
20100025027
2010-02-04

Heat exchanger with collecting tube, collecting tube, and method for producing the same

#14
20090133865
2009-05-28

Process for producing heat exchanger tubes and heat exchanger tubes

#15
20090120617
2009-05-14

Tube For Heat Exchanger

#16
20090019695
2009-01-22

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

#17
20090014165
2009-01-15

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

#18
20080314189
2008-12-25

Deformable element of a steering wheel spindle in the form of a corrugated tube

#19
20080105322
2008-05-08

Metal plate for producing flat tube, flat tube and process for producing the flat tube

#20
20080035628
2008-02-14

Production of Ihpf Components Having a Flange

#21
20080022526
2008-01-31

Undulating Pipe Manufacture