ClassID:

135202

E21B10/006 - CPC Classification

Classification description:

Drill bits providing a cutting edge which is self-renewable during drilling

Recent Application in this class:
#1
20200032589
2020-01-30

Cutting elements configured to reduce impact damage and mitigate polycrystalline, superabrasive material failure earth-boring tools including such cutting elements, and related methods

#2
20190055790
2019-02-21

METHODS OF FORMING EARTH-BORING TOOLS INCLUDING REPLACEABLE CUTTING STRUCTURES

#3
20150345230
2015-12-03

Methods of forming and repairing earth-boring tools including replaceable cutting structures

#4
20140360103
2014-12-11

Cutting elements including polycrystalline diamond compacts for earth-boring tools

#5
20130248259
2013-09-26

Self-sharpening cutting elements, earth-boring tools including such cutting elements, and methods of forming such cutting elements

#6
20120199395
2012-08-09

Cutting elements having a pre-formed fracture plane for use in cutting tools

#7
20120125695
2012-05-24

Earth-boring tools including replaceable cutting structures and related methods

#8
20110315448
2011-12-29

Cutting elements for cutting tools

#9
20110284293
2011-11-24

Rolling cutter bit design

#10
20110266059
2011-11-03

Polycrystalline diamond compacts, cutting elements and earth-boring tools including such compacts, and methods of forming such compacts and earth-boring tools

#11
20100108402
2010-05-06

DOWNHOLE CUTTING TOOL AND METHOD OF MAKING

#12
20100089664
2010-04-15

Drill bit with continuously sharp edge cutting elements

#13
20100078226
2010-04-01

Self sharpening steel tooth cutting structure

#14
20090152016
2009-06-18

CUTTING ELEMENTS AND BITS INCORPORATING THE SAME

#15
20070175672
2007-08-02

Cutting elements and bits incorporating the same

#16
20050077091
2005-04-14

Cutting element structure for roller cone bit