Y10T29/49311 - CPC Classification Index

ClassID:

245360 ⎘

Y10T29/49311 - CPC Classification

Classification description:

Metal working; Method of mechanical manufacture; Prime mover or fluid pump making; Poppet or I.C. engine valve or valve seat making; Composite or hollow valve stem or head making including extruding

Recent Application in this class:

20160290178

2016-10-06

Ball plunger for use in a hydraulic lash adjuster and method of making same

20130047433

2013-02-28

METHOD OF PRODUCING A HOLLOW POPPET VALVE AND AN APPARATUS THEREFOR

20120234067

2012-09-20

Ball plunger for use in a hydraulic lash adjuster and method of making same

20120228538

2012-09-13

Method for manufacturing valve umbrella portion of hollow engine valve, press device of valve umbrella portion of hollow engine valve, and hollow engine valve

20120034117

2012-02-09

Method for forming a tube for use with a pump delivery system

20100071649

2010-03-25

BALL PLUNGER FOR USE IN A HYDRAULIC LASH ADJUSTER AND METHOD OF MAKING SAME