B23P15/065 - CPC Classification Index

ClassID:

43571 ⎘

B23P15/065 - 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 from metal strip

Recent Application in this class:

20200080638

2020-03-12

Method for producing piston ring with recess

20170335965

2017-11-23

Method for producing piston ring with recess

20160138714

2016-05-19

Low tension piston rings and method for manufacturing the same

20140265148

2014-09-18

Low tension piston rings and method for manufacturing the same

20140102599

2014-04-17

Chemical vapor deposition of wear resistant coatings onto piston ring running face, side face, and inner diameter in one coating run

20120205876

2012-08-16

PISTON RING

20100181731

2010-07-22

Wire for I-shape oil rings and producing method of the same