ClassID:

39236

B21K1/18 - CPC Classification

Classification description:

Making machine elements pistons or plungers

Sub-classes:
Recent Application in this class:
#1
20200346278
2020-11-05

Production method, piston blank, piston and axial piston machine having said piston

#2
20200116101
2020-04-16

Forged piston with oriented grain flow

#3
20190076913
2019-03-14

PISTON PIN AND METHOD FOR MANUFACTURING PISTON PIN

#4
20180252181
2018-09-06

Method for producing a piston

#5
20180202387
2018-07-19

Reduced height piston

#6
20180172034
2018-06-21

PLUNGER MEMBER USED FOR BELT TYPE CONTINUOUSLY VARIABLE TRANSMISSION

#7
20180171441
2018-06-21

Aluminum alloy for insert ring, aluminum insert ring using the same, and piston manufacturing method using the same

#8
20180079007
2018-03-22

Methods of Manufacturing Engine System Components

#9
20170175836
2017-06-22

Piston manufacturing device, piston manufacturing method, piston and disc brake

#10
20160288275
2016-10-06

Method for producing a piston for an internal combustion engine and piston produced by said method

#11
20160281637
2016-09-29

Method for producing a piston for an internal combustion engine and piston produced by said method

#12
20160281635
2016-09-29

Robust, lightweight, low compression height piston and method of construction thereof

#13
20160207107
2016-07-21

Method for producing a sintered part with high radial precision, and set of parts comprising joining parts to be sintered

#14
20150322943
2015-11-12

Method for producing a pendulum of a pendulum slide cell pump

#15
20150020566
2015-01-22

Forging device for the production of a piston blank, and method for the production of the piston blank by means of said forging device

#16
20140326368
2014-11-06

Method for producing shaped article of aluminum alloy, shaped aluminum alloy article and production system

#17
20140202001
2014-07-24

Method for the production of a piston for an internal combustion engine

#18
20130333557
2013-12-19

Lightweight engine power cell assembly

#19
20130092024
2013-04-18

Method for simultaneously producing first and second piston parts

#20
20130036608
2013-02-14

Forging method for producing a piston or piston skirt

#21
20130000590
2013-01-03

METHOD FOR PRODUCING A PISTON FOR AN INTERNAL COMBUSTION ENGINE AND PISTON THAT CAN BE PRODUCED BY MEANS OF SAID METHOD

#22
20130000120
2013-01-03

METHOD FOR PRODUCING AN ALUMINUM PISTON FOR AN INTERNAL COMBUSTION ENGINE

#23
20120241055
2012-09-27

PROCESS FOR PRODUCING BRAKE PISTON

#24
20120100385
2012-04-26

PROCESS FOR PRODUCTION OF ROUGHLY SHAPED MATERIAL FOR ENGINE PISTON

#25
20110192023
2011-08-11

Method for the production of a piston for an internal combustion engine

#26
20110030214
2011-02-10

PISTON ASSEMBLY MULTIPLE STEP FORMING PROCESS

#27
20100037765
2010-02-18

METHOD FOR THE PRODUCTION OF A PISTON OF AN INTERNAL COMBUSTION ENGINE IN ORDER TO FORM A REINFORCEMENT OF A COMBUSTION CHAMBER CAVITY OF THE PISTON

#28
20100006192
2010-01-14

METHOD FOR PRODUCING ALUMINUM-ALLOY SHAPED PRODUCT, ALUMINUM-ALLOY SHAPED PRODUCT AND PRODUCTION SYSTEM

#29
20090301165
2009-12-10

Device for forging bush-shaped objects and a forged part produced therewith

#30
20090282885
2009-11-19

Method of forming spring washer blind-holes into a piston for an automobile transmission

#31
20090241769
2009-10-01

Cooling channel piston for an internal combustion engine and method for the production thereof

#32
20090013531
2009-01-15

Method, production line, and piston blank used for the production of a monolithic piston for combustion engines, and piston for combustion engines

#33
20080273936
2008-11-06

Method for Producing Rotationally Symmetrical, undercut Contours

#34
20080127818
2008-06-05

Piston produced from a single forged or cast piston blank

#35
20080010828
2008-01-17

Forged piston, internal combustion engine, transportation apparatus and method of making the forged piston

#36
20070199774
2007-08-30

Bottomed cylindrical piston and method of manufacturing bottomed cylindrical piston

#37
20070199442
2007-08-30

Piston pin with slide layer for connecting rod eye for internal combustion engines

#38
20070144629
2007-06-28

Method for producing shaped article of aluminum alloy, shaped aluminum alloy article and production system

#39
20060005701
2006-01-12

One-piece steel piston

#40
20060005700
2006-01-12

One-piece steel piston

#41
20060000087
2006-01-05

Method of producing a cooling channel piston for an internal combustion engine

#42
20050034598
2005-02-17

Multi-axially forged piston

#43
20050028364
2005-02-10

Method for producing a piston or piston head for an internal combusition engine