Patents-Review.com
ClassID:

41133 ⎘

B23B2251/043 - CPC Classification

Classification description:

Details of tools for drilling machines; Angles, e.g. cutting angles Helix angles

Sub-classes:
Recent Application in this class:
#1
20230302550
2023-09-28

STEP DRILL BIT

 #2
20230256524
2023-08-17

DRILL

 #3
20220184717
2022-06-16

Combination tool as well as drills for such a drilling/chamfering tool

 #4
20210316375
2021-10-14

Step drill bit

 #5
20210283696
2021-09-16

Twist drill and an exchangeable head for a twist drill

 #6
20210205900
2021-07-08

Drill

 #7
20210053128
2021-02-25

ROTARY CUTTING TOOL WITH ENHANCED COOLANT DELIVERY

 #8
20200376570
2020-12-03

Drilling tool

 #9
20200246881
2020-08-06

Drilling tool and method for producing a drilled hole

 #10
20200230714
2020-07-23

CUTTING END MILL

 #11
20200147701
2020-05-14

Vertical-edge double-step sawtooth cutter for preparing high-quality holes of composite material and hybrid stack structure thereof

 #12
20200114434
2020-04-16

Rotary tool

 #13
20200038968
2020-02-06

Conical countersink

 #14
20190388979
2019-12-26

Drill bit and method for making a drill bit

 #15
20190329331
2019-10-31

Step drill bit

 #16
20190283144
2019-09-19

Tool bit replaceable rotary cutting tool and rotary cutting method and tool bit mounting method thereof

 #17
20190270144
2019-09-05

Rotary tool and method for manufacturing machined product

 #18
20190151958
2019-05-23

Tapered drill bit and automated process

 #19
20190047060
2019-02-14

Rotary tool as well as carrier and cutting insert for such a rotary tool

 #20
20180369925
2018-12-27

CUTTING TOOL

 #21
20180281085
2018-10-04

Parabolic instrument

 #22
20180243841
2018-08-30

DRILL

 #23
20180185932
2018-07-05

Cutting tool for cutting and countersinking holes

 #24
20180177054
2018-06-21

Drill bit for use in forming holes in printed circuit boards

 #25
20180071836
2018-03-15

Drill

 #26
20170326653
2017-11-16

Drill

 #27
20170326652
2017-11-16

Drill and method of manufacturing machined product using the same

 #28
20170274461
2017-09-28

DRILL AND DRILL HEAD

 #29
20170203374
2017-07-20

Method for producing a rotary tool and rotary tool

 #30
20160311035
2016-10-27

Self-locking head-replaceable carbide drill

 #31
20150314378
2015-11-05

Twist drill

 #32
20150209874
2015-07-30

Miniature drill

 #33
20150183031
2015-07-02

Micro-drill and method for manufacturing the micro-drill

 #34
20150107415
2015-04-23

Drilling tool for machine tools and method for the production thereof

 #35
20140356088
2014-12-04

Drill bit

 #36
20140169898
2014-06-19

Twist drill and method of drilling composite materials, use and method regrinding and manufacturing thereof

 #37
20140140782
2014-05-22

Drill bit

 #38
20130058734
2013-03-07

COMBINED DRILL AND REAMER TOOL

 #39
20120269591
2012-10-25

DRILL FOR COMPOSITE MATERIAL AS WELL AS MACHINING METHOD USING SAME AND MACHINING APPARATUS USING SAME

 #40
20120039680
2012-02-16

Drill and method of cutting workpiece using the same

 #41
20110138622
2011-06-16

DRILL AND METHOD OF PRODUCING PRINTED WIRING BOARD

 #42
20100247255
2010-09-30

Drilling tool for machine tools and method for the production thereof

 #43
20100098505
2010-04-22

Shielded PCD or PCBN cutting tools

 #44
20090277691
2009-11-12

DRILLING TOOL, IN PARTICULAR SPIRAL DRILL

 #45
20090148250
2009-06-11

Drill Bit

 #46
20090067943
2009-03-12

Drill point for one-shot drilling of sandwich panels and similar

 #47
20080138164
2008-06-12

DRILLING PIN FOR MACHINING METAL SUBSTRATES

 #48
20080101879
2008-05-01

SPADE-TYPE BIT

 #49
20070237594
2007-10-11

Twist drill

 #50
20070227766
2007-10-04

Drill and method of producing printed circuit board

 #51
20060115338
2006-06-01

Method for making miniature tri-blade drill and structure of the same

 #52
20060056930
2006-03-16

Twist drill with a pilot tip

 #53
20060039767
2006-02-23

Carbide drill capable of drilling hole with reduced degree of work hardening

 #54
20060029477
2006-02-09

High speed metal drill bit

 #55
20050053438
2005-03-10

Self-centering drill bit with pilot tip