B21C37/083 - CPC Classification Index

ClassID:

38310 ⎘

B21C37/083 - 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 with welded or soldered seams Supply, or operations combined with supply, of strip material

Recent Application in this class:

20200238431

2020-07-30

Method for manufacturing electroseamed metal tube

20200009680

2020-01-09

Method for manufacturing electroseamed metal tube, and electroseamed metal tube

20190071833

2019-03-07

Foundation pile for a wind turbine and methods for manufacturing a foundation pile

20180354080

2018-12-13

Method of manufacturing a welded tube

20170307111

2017-10-26

STEEL STRIP FOR ELECTRIC-RESISTANCE-WELDED STEEL PIPE OR TUBE, ELECTRIC-RESISTANCE-WELDED STEEL PIPE OR TUBE, AND PROCESS FOR PRODUCING STEEL STRIP FOR ELECTRIC-RESISTANCE-WELDED STEEL PIPE OR TUBE

20170136513

2017-05-18

APPARATUS AND METHOD FOR PRODUCING A TAILORED SHEET METAL STRIP OR METAL PROFILE

20170072445

2017-03-16

Method and device for manufacturing a tubular lagging element from sheet metal

20160368034

2016-12-22

Method of manufacturing a welded tubular section using in-line notching and trimming initiated after roll-forming and welding

20150328675

2015-11-19

Metal strip

#10

20150174632

2015-06-25

DUAL SEAM ELECTRIC RESISTANCE WELDED TUBES

#11

20150048146

2015-02-19

Method for producing welded tubes from steel

#12

20150040375

2015-02-12

Metal cleaning and deposition process for coiled tubing using electro plasma

#13

20140348619

2014-11-27

Method for moving a packed section about a remote manufacturing yard

#14

20140345975

2014-11-27

Scaffolding assembly

#15

20140345504

2014-11-27

Assembly table for building air separation units remotely

#16

20140345352

2014-11-27

Trolley and method of using the trolley for vertical rolling

#17

20140345206

2014-11-27

Weather shelter for use in a remote manufacturing yard

#18

20140345115

2014-11-27

Remote manufacturing yard

#19

20140345114

2014-11-27

Yard leveling base and method of using the same

#20

20140345106

2014-11-27

Method for installing a condenser in a remote manufacturing yard

#21

20140345102

2014-11-27

Method of installing packing in a remote manufacturing yard

#22

20140238095

2014-08-28

Installation and method for continuously shaping longitudinally slotted pipes

#23

20130092279

2013-04-18

COILED TUBING WITH IMPROVED FATIGUE RESISTANCE AND METHOD OF MANUFACTURE

#24

20120145356

2012-06-14

Hybrid pin-fin micro heat pipe heat sink and method of fabrication

#25

20120118426

2012-05-17

COILED TUBING WITH IMPROVED FATIGUE RESISTANCE AND METHOD OF MANUFACTURE

#26

20110308660

2011-12-22

Dual seam electric resistance welded tubes

#27

20110023571

2011-02-03

Forming apparatus, shoe thereof and forming method

#28

20100059484

2010-03-11

Method and equipment for manufacturing electric resistance welded steel pipe

#29

20090242067

2009-10-01

PROCESSES FOR TEXTURED PIPE MANUFACTURER

#30

20090223935

2009-09-10

Method of manufacturing electric resistance welding pipe having excellent characterization of welded seam

#31

20080230586

2008-09-25

Method of manufacturing electric resistance welding pipes having excellent characterization of welded seams

#32

20080209715

2008-09-04

Manufacturing equipment for electric resistance welding pipes having excellent characterization for welded seam

#33

20070295490

2007-12-27

Flat Tube for a Heat Exchanger

#34

20070095001

2007-05-03

Continuous process of roll-forming pre-stamped varying shapes

#35

20070074556

2007-04-05

Continuous process of roll-forming stamped sheet

#36

20060289074

2006-12-28

Pipe with a canal in the pipe wall

#37

20060219393

2006-10-05

Aluminum heat exchanger

#38

20060201665

2006-09-14

Heat exchanger tube having strengthening deformations

#39

20060151074

2006-07-13

Steel plate and welded steel tube exhibiting low yield ratio, high strength and high toughness

#40

20060005598

2006-01-12

Weld box auto roll sensing and positioning system

#41

20050241357

2005-11-03

Method for producing a metal tube

#42

20050145677

2005-07-07

Metal tubular body and manufacturing method thereof

#43

20050145676

2005-07-07

Metal tubular body and manufacturing method thereof

#44

20050126241

2005-06-16

Metal tube and its production method

#45

20050013954

2005-01-20

Tailored tubular blanks and a method for the production thereof