ClassID:

44496

B24B7/17 - CPC Classification

Classification description:

Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor; Single-purpose machines or devices for grinding end-faces, e.g. of gauges, rollers, nuts, piston rings for simultaneously grinding opposite and parallel end faces, e.g. double disc grinders

Recent Application in this class:
#1
20230038909
2023-02-09

MACHINE TOOL FOR GRINDING DISCS

#2
20220258300
2022-08-18

Double-side or one-side machine tool

#3
20210316373
2021-10-14

AN APPARATUS FOR WORKING OPPOSITE ARRANGED SURFACES

#4
20210197336
2021-07-01

Assembly and method for loading parts to be treated in a single-side or double-side treatment machine

#5
20190224807
2019-07-25

Dual-surface polishing device and dual-surface polishing method

#6
20190202734
2019-07-04

Method for producing reinforced glass, reinforced glass and electronic device

#7
20190168357
2019-06-06

Flexible sanding device for cylinder rock specimen

#8
20190084122
2019-03-21

Carrier ring, grinding device, and grinding method

#9
20190047113
2019-02-14

Manufacturing method of carrier for double-side polishing apparatus and method of double-side polishing wafer

#10
20180257193
2018-09-13

Double disc surface grinding machine and grinding method

#11
20180243877
2018-08-30

DOUBLE-FACE POLISHING DEVICE AND METHOD CAPABLE OF CONTROLLING RIGIDITY OF POLISHING PAD THROUGH CLUSTER DYNAMIC MAGNETIC FIELD

#12
20170157740
2017-06-08

Grinding apparatus and grinding method

#13
20170136596
2017-05-18

Workpiece double-disc grinding method

#14
20160297047
2016-10-13

Method for grinding spring with high quality and high efficiency

#15
20160263728
2016-09-15

Manufacturing method of honeycomb structure, and grinding wheel

#16
20160207159
2016-07-21

Double disc surface grinding machine and grinding method

#17
20160074990
2016-03-17

Wafer polishing apparatus

#18
20150375363
2015-12-31

Method of producing carrier for use in double-side polishing apparatus and method of double-side polishing wafers

#19
20150352685
2015-12-10

Compression line spring grinding device

#20
20150330264
2015-11-19

Method for manufacturing a roller, adapted to equip a mechanical system forming a cam follower or a rocker arm

#21
20150298277
2015-10-22

Apparatus and method for grinding compression line spring

#22
20150147944
2015-05-28

Double-disc grinding apparatus and workpiece double-disc grinding method

#23
20150140908
2015-05-21

Horizontal double disc surface grinding machine

#24
20150017881
2015-01-15

Method of grinding spring ends and spring end grinding machine

#25
20140320867
2014-10-30

Method for processing wafer

#26
20140068933
2014-03-13

Connectors and methods for manufacturing connectors

#27
20130303058
2013-11-14

Grinding machine for the grinding of spring ends

#28
20130165019
2013-06-27

Computer numerical control machine tool for grinding two sides of a plane by shifting self-rotation and ultrasonic vibration

#29
20130084783
2013-04-04

GRINDING APPARATUS AND GRINDING METHOD

#30
20130065492
2013-03-14

Grinding wheel dressing system

#31
20130017765
2013-01-17

LAPPING CARRIER AND METHOD OF USING THE SAME

#32
20120293811
2012-11-22

Device and Method for Determining the Position of a Working Surface of a Working Disc

#33
20120156970
2012-06-21

Method for the simultaneous material-removing processing of both sides of at least three semiconductor wafers

#34
20120071064
2012-03-22

Fixed abrasive-grain processing device, method of fixed abrasive-grain processing, and method for producing semiconductor wafer

#35
20120052771
2012-03-01

Method For the Material-Removing Machining of Very Thin Work Pieces in a Double Sided Grinding Machine

#36
20120009852
2012-01-12

Work feeder for roller end face working machine, roller end face working machine and rollers for roller bearing

#37
20110300785
2011-12-08

Apparatus for double-sided, grinding machining of flat workpieces

#38
20110244761
2011-10-06

Method of making conductive Group lll Nitride single crystal substrate

#39
20110233562
2011-09-29

Substrate composed of silicon carbide with thin film, semiconductor device, and method of manufacturing a semiconductor device

#40
20110195635
2011-08-11

Method and grinding machine for the complete grinding of short and/or rod-shaped workpieces

#41
20110189505
2011-08-04

METHOD FOR MANUFACTURING GLASS SUBSTRATE FOR MAGNETIC RECORDING MEDIUM

#42
20110101504
2011-05-05

Methods of grinding semiconductor wafers having improved nanotopology

#43
20100317259
2010-12-16

SURFACE GRINDING MACHINE AND METHOD FOR ADJUSTING A SURFACE GRINDING MACHINE

#44
20100306991
2010-12-09

Method for manufacturing spacers for spindle device

#45
20100167628
2010-07-01

Method of grinding bar-shaped workpieces, grinding machine for carrying out the method, and grinding cell in twin arrangement

#46
20100144248
2010-06-10

Double-side grinding apparatus for wafer and double-side grinding method

#47
20100130111
2010-05-27

Double side polishing method and apparatus

#48
20100099337
2010-04-22

Method for the simultaneous double-sided material removal processing of a plurality of semiconductor wafers

#49
20090311949
2009-12-17

METHOD FOR PRODUCING SEMICONDUCTOR WAFER

#50
20090311948
2009-12-17

METHOD FOR PRODUCING SEMICONDUCTOR WAFER

#51
20090311863
2009-12-17

METHOD FOR PRODUCING SEMICONDUCTOR WAFER

#52
20090298396
2009-12-03

Method of grinding semiconductor wafers, grinding surface plate, and grinding device

#53
20090275270
2009-11-05

Brake disk braking surface processing device

#54
20090203297
2009-08-13

Semiconductor wafer, apparatus and process for producing the semiconductor wafer

#55
20090011683
2009-01-08

Method for grinding semiconductor wafers

#56
20080304929
2008-12-11

Machining machine with means for acquiring machining parameters

#57
20080119117
2008-05-22

BRAKE ROTOR DEGLAZING TOOL

#58
20080108280
2008-05-08

Initial position setting method of grinding wheel in vertical double disc surface grinding machine

#59
20080051016
2008-02-28

Sintered rare earth magnetic alloy wafer surface grinding machine

#60
20080038989
2008-02-14

Two-side working machine

#61
20080020684
2008-01-24

Wafer clamping device for a double side grinder

#62
20070184764
2007-08-09

Method of processing antifriction bearing unit for wheel

#63
20070161334
2007-07-12

Two-sided surface grinding apparatus

#64
20070087671
2007-04-19

Method of adhering polishing pads and jig for adhering the same

#65
20070023395
2007-02-01

Production method for semiconductor wafer

#66
20070021041
2007-01-25

Dressing method in vertical duplex-head surface grinding machine

#67
20060237395
2006-10-26

Truing method for grinding wheel

#68
20060234608
2006-10-19

Method of processing antifriction bearing unit for wheel

#69
20060230888
2006-10-19

Method of machining a brake disc

#70
20060011268
2006-01-19

Sintered rare earth magnetic alloy wafer and wafer surface growing machine

#71
20060009125
2006-01-12

Both-side grinding method and both-side grinding machine for thin disc work

#72
20050173377
2005-08-11

Semiconductor wafer, apparatus and process for producing the semiconductor wafer

#73
20050164611
2005-07-28

Method of processing antifriction bearing unit for wheel

#74
20050164605
2005-07-28

Device and method for surface working

#75
20050148286
2005-07-07

Grinding method for vertical type of double disk surface grinding machine

#76
20050127034
2005-06-16

Method and apparatus for removing coatings applied to surfaces of a substrate

#77
20050064801
2005-03-24

Vertical type of double disc surface grinding machine