Patents-Review.com
ClassID:

38326 ⎘

B21C37/126 - 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 or metal hoses with helically arranged seams Supply, or operations combined with supply, of strip material

Recent Application in this class:
#1
20230249236
2023-08-10

Tapered structure construction

 #2
20220297175
2022-09-22

Control system and method for tapered structure construction

 #3
20220055091
2022-02-24

A Tool, a Method and an Apparatus for Mounting Rods Around a Central Core

 #4
20210213506
2021-07-15

Air conduit spirally wound and provided with a plurality of holes, related manufacturing machine and method and related strip

 #5
20210213501
2021-07-15

Tapered structure construction

 #6
20210101196
2021-04-08

Armoured cable and its manufacture

 #7
20200324329
2020-10-15

Cylindrical tube formation

 #8
20200282440
2020-09-10

Methods for making layered tubular structures

 #9
20190119344
2019-04-25

Control system and method for tapered structure construction

 #10
20190099797
2019-04-04

Hydroforming tool and method to augment a ram forming machine

 #11
20190076901
2019-03-14

Cylindrical tube formation

 #12
20180299039
2018-10-18

Elongate tape element and method

 #13
20180193893
2018-07-12

Cylindrical tube formation

 #14
20180133769
2018-05-17

Tapered structure construction

 #15
20180021827
2018-01-25

Method of manufacturing boron coated straws for neutron detection through spiral winding and welding

 #16
20160107213
2016-04-21

Tapered structure construction

 #17
20160069486
2016-03-10

Elongate tape element and method

 #18
20160069485
2016-03-10

Elongate tape element and method

 #19
20150273552
2015-10-01

Method and apparatus for cutting openings in sidewall of spiral pipe

 #20
20150273550
2015-10-01

Control system and method for tapered structure construction

 #21
20150252920
2015-09-10

Flexible pipe carcass for controlling flow induced vibration in a riser

 #22
20150048146
2015-02-19

Method for producing welded tubes from steel

 #23
20150040633
2015-02-12

Systems and methods for forming a pipe carcass using multiple strips of material

 #24
20140238094
2014-08-28

Flexible pipe carcass forming apparatus

 #25
20140190236
2014-07-10

Supply device, and method for supplying band-like member

 #26
20140047696
2014-02-20

Tower production method

 #27
20130319722
2013-12-05

Flexible tube, manufacturing method and apparatus

 #28
20130074564
2013-03-28

Tapered structure construction

 #29
20120291956
2012-11-22

Apparatus for and method of manufacturing helically wound structures

 #30
20120273556
2012-11-01

TOWER PRODUCTION METHOD

 #31
20120042705
2012-02-23

APPARATUS FOR AND METHOD OF MANUFACTURING A HELICALLY WOUND TUBULAR STRUCTURE

 #32
20120036910
2012-02-16

WINDING APPARATUS FOR AND METHOD OF MANUFACTURING A HELICALLY WOUND TUBULAR STRUCTURES

 #33
20110277525
2011-11-17

APPARATUS FOR AND METHOD OF MANUFACTURING A HELICALLY WOUND TUBULAR STRUCTURE

 #34
20110271730
2011-11-10

APPARATUS FOR AND METHOD OF MANUFACTURING A HELICALLY WOUND TUBULAR STRUCTURE

 #35
20110072875
2011-03-31

Manufacturing apparatus and method of spiral duct including elbow

 #36
20110030834
2011-02-10

MULTI-LAYERED CORRUGATED TUBULAR ARTICLE

 #37
20090235506
2009-09-24

Machine to produce expanded metal spirally lock-seamed tubing from solid coil stock

 #38
20090165518
2009-07-02

Apparatus for and Method of Manufacturing Helically Wound Structures

 #39
20080222869
2008-09-18

Machine to produce expanded metal spirally lock-seamed tubing from solid coil stock

 #40
20070245789
2007-10-25

Method of producing helically corrugated metal pipe and related pipe construction

 #41
20060156775
2006-07-20

Mobile pipe mill

 #42
20050089637
2005-04-28

Method for making a plated steel armouring wire for a flexible tubular pipe transporting hydrocarbons, and armoured pipe

 #43
20050035094
2005-02-17

Method and apparatus for making welded large pipes