ClassID:

41173

B23B2251/44 - CPC Classification

Classification description:

Details of tools for drilling machines Margins, i.e. the narrow portion of the land which is not cut away to provide clearance on the circumferential surface

Sub-classes:
Recent Application in this class:
#1
20230219147
2023-07-13

Drill and method for producing a drill

#2
20230150039
2023-05-18

Drill

#3
20220241872
2022-08-04

Drill

#4
20210260670
2021-08-26

Single-edge drill for forming a deep hole

#5
20210039176
2021-02-11

Drill and method for producing a drill

#6
20200398350
2020-12-24

Drill

#7
20190351490
2019-11-21

Drill device and method of manufacturing the same

#8
20190193226
2019-06-27

METHOD TO PRODUCE A RADIAL RUN-OUT TOOL AS WELL AS A RADIAL RUN-OUT TOOL

#9
20180272440
2018-09-27

Drilling system and modular drilling head for deep hole drilling

#10
20180177054
2018-06-21

Drill bit for use in forming holes in printed circuit boards

#11
20170274460
2017-09-28

Drill

#12
20170106454
2017-04-20

Rotary cutting tool including polycrystalline diamond material

#13
20160129506
2016-05-12

Drill

#14
20150314378
2015-11-05

Twist drill

#15
20140291307
2014-10-02

Device and method for producing a guide bevel on a workpiece, in particular on a cutting tool

#16
20140154022
2014-06-05

Drill head for deep hole cutting

#17
20130319774
2013-12-05

Drill bit and cutting head for drill bit

#18
20120183367
2012-07-19

Drill

#19
20120082524
2012-04-05

Coolant-hole equipped drill

#20
20120009034
2012-01-12

Drilling tool

#21
20100260567
2010-10-14

Rotary tool, in particular a drill

#22
20100158627
2010-06-24

Drill bit for drilling holes in carboresin laminates

#23
20090277691
2009-11-12

DRILLING TOOL, IN PARTICULAR SPIRAL DRILL

#24
20090047084
2009-02-19

Helical multilevel cutting tool

#25
20080199268
2008-08-21

Drilling tool

#26
20080060478
2008-03-13

Two-flute twist drill

#27
20080019787
2008-01-24

Drill for machining fiber reinforced composite material

#28
20070237592
2007-10-11

Drill head for deep hole machining

#29
20070160437
2007-07-12

Drill for making flat bottom hole

#30
20070000700
2007-01-04

Twist bit for drilling mortar and for optimizing dissipation of heat and dust created by the drilling

#31
20050249562
2005-11-10

Drill and drill tip for chip removing machining

#32
20050053439
2005-03-10

Two-flute twist drill