ClassID:

38494

B21D9/04 - CPC Classification

Classification description:

Bending tubes using mandrels or the like the mandrel being rigid

Recent Application in this class:
#1
20250303457
2025-10-02

BENDING MANDRIL COMPRISING ULTRA HIGH MOLECULAR WEIGHT MATERIAL, RELATED BENDING MACHINES, SYSTEMS, AND METHODS

#2
20250242401
2025-07-31

METHOD AND APPARATUS FOR EXPANDING TUBE BLANKS

#3
20250214128
2025-07-03

BENDING MANDRIL COMPRISING ULTRA HIGH MOLECULAR WEIGHT MATERIAL, RELATED BENDING MACHINES, SYSTEMS, AND METHODS

#4
20250170632
2025-05-29

FAST CHANGE FOLD-A-WAY CROSS BOW SWING ARM MULTIPLE DIE TUBING BENDER

#5
20240165687
2024-05-23

BENDER

#6
20240082904
2024-03-14

APPARATUS AND METHOD FOR MANUFACTURING HEAT EXCHANGER

#7
20230278089
2023-09-07

Fast change fold-a-way cross bow swing arm multiple die tubing bender

#8
20230264247
2023-08-24

Shaping method and shaping device for double pipe

#9
20220161309
2022-05-26

Tube bending systems

#10
20220152681
2022-05-19

Manufacturing device for bent pipe and method of manufacturing bent pipe

#11
20210010619
2021-01-14

Long tubular pipe comprising a separating member and methods for mounting and bending such a pipe

#12
20200405020
2020-12-31

System and method for manufacturing hollow tubular jewellery

#13
20200306811
2020-10-01

Tube bending mandrel and system using the same

#14
20200263812
2020-08-20

HELICALLY WOUND TUBULAR STRUCTURES

#15
20190168281
2019-06-06

Method for producing a steering shaft part and steering shaft for a motor vehicle

#16
20190105695
2019-04-11

Method for producing pipe material

#17
20190015886
2019-01-17

Tube bending apparatus and method

#18
20180221931
2018-08-09

Forming tool for the production of a hollow component, and method for operating the forming tool

#19
20170350482
2017-12-07

Ball Screw Device, Steering System Using Ball Screw Device, and Method for Producing Retainer of Ball Screw Device

#20
20170239877
2017-08-24

Apparatus for induction heating and bending of thermoplastic composite tubes and a method for using same

#21
20170197237
2017-07-13

Manufacturing method for bent member and hot-bending apparatus for steel material

#22
20170008057
2017-01-12

Apparatus and method for ram bending of tube material

#23
20160089835
2016-03-31

System and method for positioning at least one spacer in a longitudinal pipe

#24
20150258595
2015-09-17

SUPPORT SYSTEM FOR MACHINE

#25
20110016941
2011-01-27

Arrangement for bending tubular workpieces

#26
20100011832
2010-01-21

Apparatus and method for ram bending of tube material

#27
20050160783
2005-07-28

Method of making pre-formed tubular members

#28
18057214
2023-10-24

Bender

#29
15585277
2018-08-21

Copper pipe bending tool