ClassID:

41167

B23B2251/408 - CPC Classification

Classification description:

Details of tools for drilling machines; Flutes, i.e. chip conveying grooves Spiral grooves

Recent Application in this class:
#1
20260061501
2026-03-05

DRILL

#2
20250242414
2025-07-31

CUTTING TOOL

#3
20250018480
2025-01-16

Rotary Tool and Method for Manufacturing Such a Rotary Tool

#4
20240375192
2024-11-14

DRILLING TOOL

#5
20240198436
2024-06-20

MULTI-GROOVE PAGODA DRILL BIT

#6
20240042530
2024-02-08

MODULAR DRILL WITH ENHANCED BUMP-OFF CAPABILITY

#7
20230390833
2023-12-07

ANNULAR HOLE CUTTER

#8
20230173593
2023-06-08

DRILL

#9
20220410285
2022-12-29

Modular drill with enhanced bump-off capability

#10
20220314341
2022-10-06

Cutting tool

#11
20220184845
2022-06-16

Auger

#12
20210362244
2021-11-25

Rotatable cutting head having torque transmission surfaces on a mounting protuberance and rotary cutting tool

#13
20210354210
2021-11-18

Cutting tool and method for producing a cutting tool

#14
20210331257
2021-10-28

Rotary cutting tool having chip space in proportion to feed-per-tooth

#15
20210316376
2021-10-14

Rotary cutting tool with enhanced coolant delivery

#16
20210053128
2021-02-25

ROTARY CUTTING TOOL WITH ENHANCED COOLANT DELIVERY

#17
20200398350
2020-12-24

Drill

#18
20200384552
2020-12-10

Rotary tool

#19
20200338784
2020-10-29

Auger

#20
20200331065
2020-10-22

Method for manufacturing sintered component, sintered component, and drill

#21
20200324347
2020-10-15

Step drill

#22
20200139458
2020-05-07

Drill body and drill

#23
20200139457
2020-05-07

Drill body and drill

#24
20200001376
2020-01-02

DRILLING TOOL

#25
20190381582
2019-12-19

Drill bit

#26
20190366451
2019-12-05

Drill Bit Having a Spiral-Tube-Shaped Drill Shaft and Method for Producing a Spiral-Tube-Shaped Drill Shaft for a Drill Bit

#27
20190291296
2019-09-26

Auger

#28
20190240744
2019-08-08

Drill structure

#29
20190224761
2019-07-25

Cutting tool

#30
20190193171
2019-06-27

Drill with grooved flute and method of making drill with grooved flute

#31
20190134719
2019-05-09

DRILL STRUCTURE

#32
20190001422
2019-01-03

DRILL BIT

#33
20180339348
2018-11-29

Cutting tool holder, cutting tool, and method of manufacturing machined product

#34
20180250756
2018-09-06

Drill and method for manufacturing cut product using same

#35
20180250755
2018-09-06

Twist drill with unequal flute spacing and unequal relief angles

#36
20180243841
2018-08-30

DRILL

#37
20180171721
2018-06-21

Drill Bit and Production Method

#38
20180147641
2018-05-31

Drill and method of manufacturing machined product

#39
20180071836
2018-03-15

Drill

#40
20180043441
2018-02-15

Drill

#41
20180021861
2018-01-25

DRILL STRUCTURE

#42
20170348760
2017-12-07

Twist drill and production method

#43
20170326653
2017-11-16

Drill

#44
20170326652
2017-11-16

Drill and method of manufacturing machined product using the same

#45
20170320136
2017-11-09

Method for manufacturing sintered component, sintered component, and drill

#46
20170312935
2017-11-02

MULTI-BLADE TYPE WOODWORKING BIT

#47
20170274460
2017-09-28

Drill

#48
20170129022
2017-05-11

Step drill bit with variable helical flute

#49
20170113283
2017-04-27

Drilling tool and method for producing drill holes

#50
20170100783
2017-04-13

Modular drill

#51
20170080534
2017-03-23

Rotary cutting tool having PCD cutting tip

#52
20160354846
2016-12-08

ANNULAR CUTTER

#53
20160256937
2016-09-08

ROTARY TOOL AND METHOD FOR PRODUCING A ROTARY TOOL

#54
20160243625
2016-08-25

Cutting tool and method for manufacturing cut product using same

#55
20160207122
2016-07-21

Blade fastening device having cuttign fluid guide grooves on a blade

#56
20160207119
2016-07-21

Drill

#57
20160158851
2016-06-09

Iron-Cutting Drill

#58
20160074944
2016-03-17

Drill and method for manufacturing cut product using same

#59
20160052069
2016-02-25

TWIST DRILL WITH CERAMIC INSERTS

#60
20160001380
2016-01-07

Safety drilling tool

#61
20150360302
2015-12-17

Rotary tool and method for manufacturing a rotary tool

#62
20150360301
2015-12-17

Drill bit

#63
20150321267
2015-11-12

Drill

#64
20150314378
2015-11-05

Twist drill

#65
20150298220
2015-10-22

Rotating tool, in particular drill, as well as a method for manufacturing a rotating tool of this type

#66
20150298219
2015-10-22

Drill bit structure

#67
20150283624
2015-10-08

Small-diameter drill

#68
20150266107
2015-09-24

Drill and Drill Head with Drill Margin

#69
20150209874
2015-07-30

Miniature drill

#70
20150183031
2015-07-02

Micro-drill and method for manufacturing the micro-drill

#71
20140363249
2014-12-11

Drill

#72
20140356088
2014-12-04

Drill bit

#73
20140348605
2014-11-27

DRILLING TOOL FOR COMPOSITE MATERIAL

#74
20140341667
2014-11-20

Drill body of indexable drill

#75
20140328641
2014-11-06

DRILL AND PRODUCTION METHOD FOR A DRILL

#76
20140294527
2014-10-02

Tool head and method for machining a metallic workpiece

#77
20140140782
2014-05-22

Drill bit

#78
20130302101
2013-11-14

Twist drill assembly, components for same and method for making same

#79
20120237305
2012-09-20

Multi-Functional Cutting Tool and Tool Holder Therefor

#80
20110318128
2011-12-29

Drill tip and drilling tool having a drill tip

#81
20110274509
2011-11-10

Cutting insert with helical geometry and holder therefor

#82
20110268518
2011-11-03

Rotary cutting tool having PCD cutting tip

#83
20100232898
2010-09-16

Only partly ground tool rod made of sintered material

#84
20100086371
2010-04-08

Twist drill having at least two cutting inserts at the tip each with its own J-shaped chip guiding flute and a method for the production thereof

#85
20090304468
2009-12-10

Drill Bit

#86
20090277691
2009-11-12

DRILLING TOOL, IN PARTICULAR SPIRAL DRILL

#87
20090185877
2009-07-23

Gundrill, and method of drilling with the same

#88
20070059110
2007-03-15

Tool holder assembly for multifunction machine and adapter for the same

#89
20070036623
2007-02-15

Cutting insert with helical geometry and holder therefor

#90
20060251482
2006-11-09

Blade edge structure for core drill

#91
20050135888
2005-06-23

Cutting insert with helical geometry and holder therefor