Patents-Review.com
ClassID:

38792 ⎘

B21D51/06 - CPC Classification

Classification description:

Making hollow objects characterised by the structure of the objects folded objects

Recent Application in this class:
#1
20250100042
2025-03-27

APPARATUS AND METHOD FOR CLOSING DUCT SEAMS AND FOR INSERTING ANGLE PLATES AND CLOSING DUCT SEAMS

 #2
20220105556
2022-04-07

FRAME MANUFACTURING METHOD

 #3
20210164686
2021-06-03

METHOD AND APPARATUS FOR MANIPULATING METAL WORKPIECES

 #4
20210071812
2021-03-11

Process of producing a boom part as well as a boom and a boom part or boom produced therewith

 #5
20200116384
2020-04-16

METHOD AND APPARATUS FOR MANIPULATING METAL WORKPIECES

 #6
20190176429
2019-06-13

Rigid sheet blank and method for producing same

 #7
20180328266
2018-11-15

Apparatus for increasing flow rate in engine pipe and processing method therefor

 #8
20180142916
2018-05-24

Method and apparatus for manipulating metal workpieces

 #9
20120324705
2012-12-27

Generating channel letters using profiles

 #10
20120211496
2012-08-23

Tanks and methods of constructing tanks

 #11
20120204993
2012-08-16

Curvilineal closed structure parts and method for manufacturing the same

 #12
20110174409
2011-07-21

Closed structure parts, method and press forming apparatus for manufacturing the same

 #13
20110146665
2011-06-23

Solar Water Heater

 #14
20100300015
2010-12-02

METHOD FOR MANUFACTURING A SIDE-FOLDED TYPE ELEVATED FLOOR AND A SYSTEM THEREOF

 #15
20100288136
2010-11-18

REINFORCED BAKING TRAY

 #16
20100224348
2010-09-09

Method for the manufacture of an ejector nozzle tube

 #17
20100223974
2010-09-09

Suspension system for a vehicle and method

 #18
20100045017
2010-02-25

TANKS AND METHODS OF CONTSTRUCTING TANKS

 #19
20090194089
2009-08-06

HIGH-STRENGTH THREE-DIMENSIONAL STRUCTURE AND METHOD OF MANUFACTURE