ClassID:

38256

B21C23/217 - CPC Classification

Classification description:

Extruding metal; Impact extrusion; Presses specially adapted for extruding metal Tube extrusion presses

Recent Application in this class:
#1
20230088412
2023-03-23

Functionally Graded Coatings and Claddings

#2
20220226874
2022-07-21

EXTRUSION PRESS SYSTEMS AND METHODS

#3
20220203419
2022-06-30

EXTRUSION PRESS SYSTEMS AND METHODS

#4
20210069765
2021-03-11

Method of manufacturing two tubes simultaneously and machine for use therein

#5
20210023596
2021-01-28

Shear assisted extrusion process

#6
20200056870
2020-02-20

Long cartridge case

#7
20200047233
2020-02-13

Extrusion press systems and methods

#8
20200047232
2020-02-13

Extrusion press systems and methods

#9
20190099792
2019-04-04

Extruder and tube extruder or metal extrusion press

#10
20180259309
2018-09-13

Long cartridge case

#11
20180250727
2018-09-06

Functionally graded coatings and claddings

#12
20180001364
2018-01-04

Method of manufacturing a tube and a machine for use therein

#13
20170368585
2017-12-28

Method of manufacturing a tube and a machine for use therein

#14
20170361367
2017-12-21

Method of manufacturing a tube and a machine for use therein

#15
20170297069
2017-10-19

Direct or indirect metal pipe extrusion process, mandrel for extruding metal pipes, metal pipe extruder and extruded metal pipe

#16
20170100758
2017-04-13

Extrusion method for extruded material

#17
20170080468
2017-03-23

Extrusion press systems and methods

#18
20160303629
2016-10-20

Direct double-action extrusion press

#19
20150290690
2015-10-15

Extruder and tube extruder or metal extrusion press

#20
20150283593
2015-10-08

Double action extrusion press

#21
20150260019
2015-09-17

Expandable tubular and method of making same

#22
20150202672
2015-07-23

Double-action extrusion press

#23
20150174630
2015-06-25

DIRECT OR INDIRECT METAL PIPE EXTRUSION PROCESS, MANDREL FOR EXTRUDING METAL PIPES, METAL PIPE EXTRUDER AND EXTRUDED METAL PIPE

#24
20150040635
2015-02-12

Method for producing metal extrusion press products, and extrusion and tube press

#25
20140324213
2014-10-30

Extrusion press systems and methods

#26
20140295206
2014-10-02

SUBSTRATE FOR PHOTOSENSITIVE DRUM

#27
20100064756
2010-03-18

Micro-channel tubes and apparatus and method for forming micro-channel tubes

#28
20080245125
2008-10-09

Method of controlling mandrel in a tube-extruding press

#29
20060175487
2006-08-10

Extruded monolithic aluminum trailer landing gear foot and method of making same

#30
20050247097
2005-11-10

Oval cross section metal tube producing device and producing method