ClassID:

43570

B23P15/06 - CPC Classification

Classification description:

Making specific metal objects by operations not covered by a single other subclass or a group in this subclass piston rings from one piece

Sub-classes:
Recent Application in this class:
#1
20260049659
2026-02-19

PISTON RING AND METHOD FOR MANUFACTURING A PISTON RING

#2
20220333687
2022-10-20

PISTON RING AND METHOD FOR MANUFACTURING A PISTON RING

#3
20220145990
2022-05-12

Wire for piston ring, and manufacturing method of piston ring

#4
20200376571
2020-12-03

Magnetorheological support method for blisk processing

#5
20200141492
2020-05-07

Method for producing a piston ring

#6
20200080638
2020-03-12

Method for producing piston ring with recess

#7
20190264809
2019-08-29

Piston ring and method for manufacturing a piston ring

#8
20180283553
2018-10-04

Piston ring and method for manufacturing a piston ring

#9
20180195613
2018-07-12

PISTON COMPRESSION RINGS OF COPPER-BERYLLIUM ALLOYS

#10
20170335965
2017-11-23

Method for producing piston ring with recess

#11
20170218780
2017-08-03

Rotors and methods of making the same

#12
20170108122
2017-04-20

Inlaid ring with plated lateral side

#13
20170016537
2017-01-19

OIL SCRAPER PISTON RING AND METHOD FOR PRODUCING AN OIL SCRAPER PISTON RING

#14
20160363222
2016-12-15

Nitride coated piston ring

#15
20160238132
2016-08-18

Piston ring

#16
20160138714
2016-05-19

Low tension piston rings and method for manufacturing the same

#17
20160084094
2016-03-24

Method and fixture for airfoil array assembly

#18
20150354702
2015-12-10

Piston ring for internal combustion engines with increased fatigue strength, and method for producing same

#19
20150240943
2015-08-27

REDUCED FRICTION OIL CONTROL PISTON RINGS

#20
20150225836
2015-08-13

Piston ring

#21
20150130143
2015-05-14

Method for producing an oil scraper piston ring

#22
20140311437
2014-10-23

Piston ring for a piston of an internal combustion engine, and a method for producing same

#23
20140265148
2014-09-18

Low tension piston rings and method for manufacturing the same

#24
20140082940
2014-03-27

Method and fixture for airfoil array assembly

#25
20140008874
2014-01-09

Method for producing piston rings

#26
20130187341
2013-07-25

Method for producing a piston ring

#27
20130187340
2013-07-25

Method for producing a piston ring

#28
20130181411
2013-07-18

Method for producing a piston ring

#29
20130181410
2013-07-18

Internal combustion engine oil ring

#30
20130174419
2013-07-11

METHOD FOR PRODUCING A PISTON RING

#31
20130154196
2013-06-20

PISTON RING FORMED FROM RING BLANK

#32
20120319357
2012-12-20

Method for producing piston rings

#33
20120304854
2012-12-06

Piston having position rings and support rings

#34
20120205876
2012-08-16

PISTON RING