ClassID:

38665

B21D31/00 - CPC Classification

Classification description:

Other methods for working sheet metal, metal tubes, metal profiles

Sub-classes:
Recent Application in this class:
#1
20240286191
2024-08-29

LOW THERMAL STRESS METAL STRUCTURES

#2
20240207920
2024-06-27

FORMING AND MANUFACTURING METHOD OF BICYCLE SHOCK-ABSORBING FRONT FORK CROWN

#3
20230339820
2023-10-26

LOW THERMAL STRESS ENGINEERED METAL STRUCTURES

#4
20230302521
2023-09-28

EDGE BAND FINE TRIMMING MECHANISM OF EDGE BANDING MACHINE

#5
20220048110
2022-02-17

Syntactic metal matrix materials and methods

#6
20210237799
2021-08-05

High-strength metal plate for vehicles

#7
20210220898
2021-07-22

MAGNESIUM ALLOY BUTTED TUBE DRAWING MECHANISM

#8
20210024774
2021-01-28

Coating compositions for packaging articles and methods of coating

#9
20200391326
2020-12-17

METHOD OF CREATING AN INTERIOR METAL FLOW OPENING IN A METAL SHEET DURING A FORMING OPERATION

#10
20200383778
2020-12-10

Stents for prosthetic heart valves and methods of making same

#11
20200331064
2020-10-22

Low thermal stress engineered metal structures

#12
20190366414
2019-12-05

Systems and methods for processing alloy ingots

#13
20190126349
2019-05-02

Low thermal stress metal structures

#14
20190015902
2019-01-17

Syntactic metal matrix materials and methods

#15
20180112102
2018-04-26

COATING COMPOSITIONS FOR PACKAGING ARTICLES AND METHODS OF COATING

#16
20180112101
2018-04-26

COATING COMPOSITIONS FOR PACKAGING ARTICLES AND METHODS OF COATING

#17
20180056378
2018-03-01

Localized torsional severe plastic deformation method for conical tube metals

#18
20180021846
2018-01-25

Circular hydraulic press and method for reforming and resizing a chamber opening in a combustion chamber housing

#19
20170362809
2017-12-21

Weir grate

#20
20170100242
2017-04-13

Stents for prosthetic heart valves and methods of making same

#21
20170087613
2017-03-30

Manufacturing method of metal strip coil for blades

#22
20170082195
2017-03-23

METHOD AND TOOL FOR MECHANICALLY ROUGHENING A CYLINDRICAL SURFACE

#23
20170051492
2017-02-23

Weir grate

#24
20170021404
2017-01-26

Apparatus for forming a steel workpiece

#25
20160319149
2016-11-03

Coating of a metal sheet or strip

#26
20160214162
2016-07-28

Method for manufacturing sheet metal blanks, in particular hybrid sheet metal blanks

#27
20160167100
2016-06-16

Systems and methods for processing alloy ingots

#28
20160160311
2016-06-09

Method for forming blank and method for determining preforming shape

#29
20160075903
2016-03-17

Coating of a metal sheet or strip

#30
20160031011
2016-02-04

Syntactic metal matrix materials and methods

#31
20150360279
2015-12-17

System for compression relief shaping

#32
20150024855
2015-01-22

TRIPOD CONSTANT VELOCITY JOINT AND METHOD OF PRODUCING THE SAME

#33
20150017479
2015-01-15

Production method for glassy carbon mold

#34
20140377485
2014-12-25

Stress Corrosion Cracking Resistant, Austenitic Steel Components and Weld Seams

#35
20140323240
2014-10-30

VARIABLE THICKNESS GOLF CLUB HEAD AND METHOD OF MANUFACTURING THE SAME

#36
20140283571
2014-09-25

Method to improve geometrical accuracy of an incrementally formed workpiece

#37
20140275865
2014-09-18

SHEATHED RIVET

#38
20140260482
2014-09-18

METHOD OF REDUCING OIL VOLUME IN A POLETYPE TRANSFORMER

#39
20140216125
2014-08-07

Spur toothing on a coupling element for transmitting torques

#40
20140193659
2014-07-10

METHOD OF MANUFACTURING A STURCTURAL ULTRA-THIN SHEET METAL PART WITH PATCH WELDED REINFORCEMENTS

#41
20140060143
2014-03-06

System for manufacturing membrane electrode assembly of fuel cell stack

#42
20140060136
2014-03-06

Method and device for caulking a caulking member

#43
20140020442
2014-01-23

Method for forming a workpiece

#44
20130327106
2013-12-12

METHOD FOR MANUFACTURING HIGH-STRENGTH STEEL SHEET PARTS SUBJECT IN USE TO FATIGUE STRESSES

#45
20130305800
2013-11-21

Stents for prosthetic heart valves and methods of making same

#46
20130280455
2013-10-24

Coating compositions for packaging articles and methods of coating

#47
20130259734
2013-10-03

HIGHLY FORMABLE HIGH-STRENGTH STEEL SHEET, WARM WORKING METHOD, AND WARM-WORKED AUTOMOBILE PART

#48
20130216421
2013-08-22

Method for forming a tubular medical device

#49
20130180305
2013-07-18

Method for producing a flat steel product which can be readily formed, flat steel product and method for producing a component from such a flat steel product

#50
20130136945
2013-05-30

Tailored Properties By Post Hot Forming Processing

#51
20130125607
2013-05-23

Method for producing a structural part from an iron-manganese steel sheet

#52
20130112321
2013-05-09

Rapid discharge forming process for amorphous metal

#53
20130098203
2013-04-25

Syntactic metal matrix materials and methods

#54
20130086971
2013-04-11

Surface-treated metal sheet and process for producing formed article from the surface-treated metal sheet

#55
20130076075
2013-03-28

Reinforcing structure for reinforcing a side wall structure for a motor vehicle in the region of a door cutout

#56
20130031898
2013-02-07

USING PHASE CHANGE EXPANSION OF A SUBSTANCE TO PERFORM WORK ON A WORKPIECE

#57
20120205603
2012-08-16

HIGHWAY GUARDRAIL POST

#58
20120024035
2012-02-02

Method of incrementally forming a workpiece

#59
20120024034
2012-02-02

Method to improve geometrical accuracy of an incrementally formed workpiece

#60
20120018362
2012-01-26

WEIR GRATE

#61
20120017663
2012-01-26

Method for the manufacture of a workpiece with defined surface

#62
20120011915
2012-01-19

Method of incremental forming with successive wrap surfaces

#63
20110214785
2011-09-08

Method for forming a tubular medical device

#64
20110195270
2011-08-11

Systems and methods for processing alloy ingots

#65
20110186795
2011-08-04

Highway Guardrail Post

#66
20100268324
2010-10-21

Stents for prosthetic heart valves and methods of making same

#67
20100147130
2010-06-17

FATIGUE-RESISTANCE SHEET SLITTING METHOD AND RESULTING SHEET

#68
20080156610
2008-07-03

Spur toothing on a coupling element for transmitting torques

#69
20070234871
2007-10-11

Method for making enhanced heat transfer surfaces

#70
20060277964
2006-12-14

Method for fabricating an exterior part of a camera

#71
20060230807
2006-10-19

Creep forming a work piece

#72
20060021413
2006-02-02

Fatigue-resistance sheet slitting method and resulting sheet

#73
20050145377
2005-07-07

Heat transfer tube including enhanced heat transfer surfaces

#74
17021231
2022-04-05

Pulling member

#75
15374408
2017-08-29

System and method for coldworking holes in a workpiece