ClassID:

38624

B21D26/051 - CPC Classification

Classification description:

Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces by applying fluid pressure; Deforming tubular bodies Deforming double-walled bodies

Recent Application in this class:
#1
20260042135
2026-02-12

INTERNAL HYDROFORMING METHOD FOR MANUFACTURING HEAT PIPE WICKS UTILIZING A HOLLOW MANDREL AND SHEATH

#2
20250229316
2025-07-17

JOINING METHOD, AND DEVICE FOR SUCH

#3
20240399440
2024-12-05

METHOD FOR MANUFACTURING A DOUBLE-WALL HEAT-EXCHANGER TUBE

#4
20230226587
2023-07-20

INTERNAL HYDROFORMING METHOD FOR MANUFACTURING HEAT PIPE WICKS UTILIZING A HOLLOW MANDREL AND SHEATH

#5
20210108862
2021-04-15

Double tube with petal shape and method of manufacturing the same

#6
20190275580
2019-09-12

Apparatus and method for manufacturing insulated pipe assembly

#7
20180313471
2018-11-01

COMPOSITE PIPE COMPRISED OF A CARRIER PIPE AND AT LEAST ONE PROTECTIVE PIPE, AND METHOD FOR THE PRODUCTION THEREOF

#8
20180038537
2018-02-08

Pipe joint device and method for manufacturing the same

#9
20160327188
2016-11-10

Dual walled titanium tubing and methods of manufacturing the tubing

#10
20160228997
2016-08-11

Dual walled titanium tubing and methods of manufacturing the tubing

#11
20150336154
2015-11-26

METHOD FOR MANUFACTURING HOLLOW HYDRO-FORMED PRODUCT using MULTI-TUBE ASSEMBLY

#12
20150114064
2015-04-30

Water pipe for which hydroforming is employed, and a production method therefor

#13
20150102128
2015-04-16

Forming a complexly curved metallic sandwich panel

#14
20140084628
2014-03-27

Method of fabricating a roll-over protection structure

#15
20120204992
2012-08-16

Water pipe for which hydroforming is employed, and a production method therefor

#16
20120180541
2012-07-19

Method and device for manufacturing bimetallic pipes

#17
20110206503
2011-08-25

Method for the manufacture of a circular revolution thermomechanical part including a titanium-based load-bearing substrate lined with steel or superalloy, a turbomachine compressor housing which is resistant to titanium fire obtained according to this method

#18
20110120585
2011-05-26

Multilayered tube and manufacturing method thereof based on high pressure tube hydroforming

#19
20110011144
2011-01-20

Method and device for manufacturing bimetallic pipes

#20
20060233979
2006-10-19

Method of fabricating tubular structure from hybrid material

#21
20060150389
2006-07-13

Method and device for securing components on peripherally closed hollow profiles

#22
20060108783
2006-05-25

Structural assembly for vehicles and method of making same

#23
20060005393
2006-01-12

Method of manufacturing a combined driveshaft tube and yoke assembly

#24
15604347
2019-12-31

Products manufactured by autofrettage

#25
13623259
2017-06-27

Methods for increasing cycle life of metal liners and products manufactured therefrom