ClassID:

41181

B23B2251/54 - CPC Classification

Classification description:

Recent Application in this class:
#1
20210031279
2021-02-04

Ring-saw assemblies and processes

#2
20190059911
2019-02-28

SYSTEM, APPARATUS, AND METHOD FOR GRAFTING TISSUE

#3
20190022771
2019-01-24

Adjustable diameter hole cutter

#4
20170281198
2017-10-05

System, apparatus, and method for grafting tissue

#5
20170173707
2017-06-22

Method for deburring the edges of intersecting boreholes, and tool for implementing the method

#6
20170157682
2017-06-08

Adjustable diameter hole cutter

#7
20170080501
2017-03-23

Drilling system and methods for deep hole drilling

#8
20160288219
2016-10-06

DRILL HEAD

#9
20160089734
2016-03-31

Power tool having rotary input control

#10
20150174670
2015-06-25

Adjustable diameter hole cutter

#11
20150033929
2015-02-05

Rotary burring tool

#12
20140301795
2014-10-09

Tool cassette for insertion in a cassette seat and tool having a cassette seat for a tool cassette of this type

#13
20140023445
2014-01-23

Power tool accessory

#14
20130136552
2013-05-30

Drill and method of manufacturing machined product

#15
20130039708
2013-02-14

Adjustable hole cutters

#16
20130028677
2013-01-31

Drill bit and method for manufacturing

#17
20120183366
2012-07-19

COMBINATION HOLE SAW ARBOR AND ADJUSTABLE HOLE CUTTER SHAFT

#18
20110243675
2011-10-06

HOLE SAW

#19
20110211924
2011-09-01

Drill

#20
20110138622
2011-06-16

DRILL AND METHOD OF PRODUCING PRINTED WIRING BOARD

#21
20100178121
2010-07-15

Small-diameter deep hole drill and a micro deep hole drilling method

#22
20100158625
2010-06-24

Drill head for rock drills

#23
20090169317
2009-07-02

Hole Saw Holder

#24
20080298915
2008-12-04

Core drill

#25
20080279646
2008-11-13

Core Cutter

#26
20080080940
2008-04-03

Drilling tool, a method for drilling a hole and a use of a drilling tool

#27
20080029311
2008-02-07

UNIBIT WITH REPLACEMENT BLADE

#28
20080014048
2008-01-17

ANCHORING DRILL BIT, SYSTEM AND METHOD OF ANCHORING

#29
20070264094
2007-11-15

Unibit with replacement blade

#30
20070235228
2007-10-11

Drill, wall protector and drilling method

#31
20070227766
2007-10-04

Drill and method of producing printed circuit board

#32
20060032675
2006-02-16

Drill

#33
20050272004
2005-12-08

Non-landed endodontic instrument and methods of making such endodontic instruments

#34
20050098358
2005-05-12

Anchoring drill bit, system and method of anchoring

#35
20050025593
2005-02-03

Sheet metal hole cutter

#36
20050019115
2005-01-27

Tool and method for forming a valve stem hole

#37
14474557
2015-05-05

Micrometer case mouth chamfer tool