Patents-Review.com
ClassID:

38551 ⎘

B21D19/046 - CPC Classification

Classification description:

Flanging or other edge treatment, e.g. of tubes by continuously-acting tools moving along the edge shaped as rollers for flanging edges of tubular products

Recent Application in this class:
#1
20250114836
2025-04-10

METHOD OF ASSEMBLING A PUMP HAVING A NONCIRCULAR JOINT

 #2
20250050406
2025-02-13

ELECTRIC PIPE EXPANDER

 #3
20240390968
2024-11-28

Device for flanging a tube end

 #4
20240139793
2024-05-02

MOBILE FLANGING MACHINE AND METHOD OF ASSEMBLING A MOBILE FLANGING MACHINE

 #5
20230294156
2023-09-21

Electric pipe expander

 #6
20230249238
2023-08-10

Seam forming apparatus for elbow duct

 #7
20230030153
2023-02-02

Apparatus for forming flange of circular duct

 #8
20220388050
2022-12-08

Spinning device and spinning method

 #9
20220176437
2022-06-09

Electric pipe expander, chuck structure for electric pipe expander, and control circuit for electric pipe expander

 #10
20220023927
2022-01-27

A FORMING DIE FOR FORMING AN END OF A TUBE AND A METHOD FOR FORMING AN END OF A TUBE

 #11
20210170469
2021-06-10

Roll-forming tool for creating a noncircular feature, method of creating a noncircular feature, and method of assembling a pump having a noncircular joint

 #12
20200238366
2020-07-30

Roll-forming methods for manufacturing roller bearing seal case

 #13
20200238364
2020-07-30

Gas-charging and flanging machine

 #14
20190375235
2019-12-12

Flanged inner ring optimized for orbital forming operation and associated tool

 #15
20190232355
2019-08-01

Joint flange using thickness-increased and cutting-processed pipe and method for manufacturing same

 #16
20190145562
2019-05-16

Pipe/fitting with modified crimp allowing for both pipe and flexible duct installation

 #17
20190111465
2019-04-18

Roll-forming methods for manufacturing roller bearing seal case

 #18
20170368588
2017-12-28

Method for machining outer circumference of metal end cross-section and method for joining metal component obtained by the machining method with another member

 #19
20170355006
2017-12-14

Flange Assembly for Heater Treaters and Other Vessels

 #20
20170320119
2017-11-09

Apparatus for manufacturing elbow-shaped duct

 #21
20160245437
2016-08-25

Method for forming fastening collar

 #22
20160084415
2016-03-24

Pipe/fitting with modified crimp allowing for both pipe and flexible duct installation

 #23
20160038988
2016-02-11

Crimper

 #24
20160001351
2016-01-07

HOLLOW DRIVE SHAFT WITH FLANGE AND METHOD FOR THE PRODUCTION THEREOF

 #25
20150367680
2015-12-24

Method of manufacturing hollow axle shaft for a vehicle

 #26
20150343511
2015-12-03

Apparatus for manufacturing long-neck flange by applying roller spinning and method therefor

 #27
20140259581
2014-09-18

Piping system

 #28
20140076017
2014-03-20

Device for flanging the end of a metal tube

 #29
20130133390
2013-05-30

Method and apparatus for making a collar to the end of a pipe

 #30
20120317814
2012-12-20

Method of manufacturing a roller bearing seal

 #31
20110296894
2011-12-08

FLANGE-FORMING SYSTEM FOR TUBE AND RELATED METHODS

 #32
20110296888
2011-12-08

Flange-forming system for tube and related methods

 #33
20100038902
2010-02-18

Tube coupling and related methods

 #34
20090085347
2009-04-02

Flange-forming system for tube and related methods

 #35
20090083962
2009-04-02

FLANGE-FORMING SYSTEM FOR TUBE AND RELATED METHODS

 #36
20080216539
2008-09-11

Method and device for the integral molding of a flange to the end of a round or oval pipe of thin-walled sheet metal and pipe produced by the method

 #37
20070245792
2007-10-25

Integrally formed flanged metal pipe and method of manufacturing thereof

 #38
20060162410
2006-07-27

Composite fabrication facility of steel tube and fabrication method of steel tube

 #39
20050275223
2005-12-15

Integrally formed flanged metal pipe and method of manufacturing thereof

 #40
18919780
2025-06-17

Processing device for flange

 #41
17526362
2023-10-10

Fabricating method for low cost liquid fueled rocket engines