Y10T29/49307 - CPC Classification Index

ClassID:

245358 ⎘

Y10T29/49307 - 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

Sub-classes:

Y10T29/49309 » including forging 8
Y10T29/49311 » including extruding 6
Y10T29/49313 » including casting 6

Recent Application in this class:

20170276031

2017-09-28

Method for supplying inert gas into poppet valve intermediate and apparatus for supplying inert gas into poppet valve intermediate

20160279746

2016-09-29

Method of charging a hollow valve with metallic sodium

20140360452

2014-12-11

Method for producing a built hollow valve

20140033532

2014-02-06

Method for production of valve head portion of hollow engine valve and hollow engine valve

20130313463

2013-11-28

Method for production of valve head portion of hollow engine valve and hollow engine valve

20130042473

2013-02-21

Injector nozzle sleeve replacer and method

20130019474

2013-01-24

Method for producing engine valve in which sodium metal is sealed

20120304464

2012-12-06

METHOD FOR MANUFACTURING HOLLOW ENGINE VALVE

20120255175

2012-10-11

Method for producing hollow engine valve

#10

20120246934

2012-10-04

Method for producing metallic-sodium-filled engine valve

#11

20110186000

2011-08-04

Hollow poppet valve and method of manufacturing the same

#12

20110174259

2011-07-21

Method for production of valve head portion of hollow engine valve and hollow engine valve

#13

20090266314

2009-10-29

COOLANT-CONTAINING HOLLOW POPPET VALVE AND PROCESS FOR PRODUCING THE SAME

#14

20090159043

2009-06-25

Throttle body and method of manufacturing the same

#15

20090094830

2009-04-16

Valve for Controlling Gas Exchange, Especially in Internal Combustion Engines

#16

20090050106

2009-02-26

Butterfly-type throttle valve

#17

20080029060

2008-02-07

Throttle body, method of adjusting opening of opener, and method of manufacturing throttle body

#18

20080006793

2008-01-10

Valve for Controlling Gas Exchange, Especially in Internal Combustion Engines

#19

20070277769

2007-12-06

Valve structure for internal combustion

#20

20070245561

2007-10-25

Method of manufacturing throttle body, and throttle body

#21

20070125976

2007-06-07

Method of manufacturing a lightweight valve

#22

20060254553

2006-11-16

Multipart composite valve for an internal combustion engine

#23

20060048388

2006-03-09

Method for manufacturing a throttle valve unit

#24

20050198823

2005-09-15

Method for production of a throttle valve in a continuous throttle valve connector

#25

20050120556

2005-06-09

Forming method of throttle apparatus for internal combustion engine

#26

20050097745

2005-05-12

Forming method of throttle apparatus for internal combustion engine

#27

20050097744

2005-05-12

Forming method of throttle apparatus for internal combustion engine

#28

20050097743

2005-05-12

Forming method of throttle apparatus for internal combustion engine

#29

20050022365

2005-02-03

Simultaneous forming method of throttle body and throttle valve