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Class Information
Number: 175/430
Name: Boring or penetrating the earth > Bit or bit element > Specific or diverse material > Insert > Preformed cutting element (e.g., compact) mounted on a distinct support (e.g., blank, stud, shank) > Having a noncircular or nonplanar cutting face
Description: Structure in which the earth contacting portions either (1) defines a line or curve which is other than circular or (2) includes points which are not coplanar.










Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8684112 Cutting elements for earth-boring tools, earth-boring tools including such cutting elements and related methods Apr. 1, 2014
8627905 Non-planar interface construction Jan. 14, 2014
8607899 Rock bit and cutter teeth geometries Dec. 17, 2013
8590644 Downhole drill bit Nov. 26, 2013
8534392 Composite cutting/milling tool having differing cutting elements and method for making the same Sep. 17, 2013
8522646 Expandable earth boring apparatus using impregnated and matrix materials for enlarging a borehole Sep. 3, 2013
8511405 Drill bit with tiered cutters Aug. 20, 2013
8505634 Earth-boring tools having differing cutting elements on a blade and related methods Aug. 13, 2013
8505655 Superabrasive inserts including an arcuate peripheral surface Aug. 13, 2013
8459382 Rotary drill bits including bearing blocks Jun. 11, 2013
8448726 Drill bits with bearing elements for reducing exposure of cutters May. 28, 2013
8434572 Cutting elements for downhole cutting tools May. 7, 2013
8418785 Fixed cutter bit for directional drilling applications Apr. 16, 2013
8360175 Convex crested insert with deflected wedge surfaces Jan. 29, 2013
8327955 Non-parallel face polycrystalline diamond cutter and drilling tools so equipped Dec. 11, 2012
8281881 Rolling cone drill bit having cutting elements with improved orientations Oct. 9, 2012
8272459 Superabrasive inserts including an arcuate peripheral surface Sep. 25, 2012
8210288 Rotary drill bits with protected cutting elements and methods Jul. 3, 2012
8191656 Auto adaptable cutting structure Jun. 5, 2012
8186460 Hard material insert and core bit May. 29, 2012
8172011 Cutting element May. 8, 2012
8146688 Drill bit with prefabricated cuttings splitter and method of making Apr. 3, 2012
8141665 Drill bits with bearing elements for reducing exposure of cutters Mar. 27, 2012
8113303 Modified cutters and a method of drilling with modified cutters Feb. 14, 2012
8109346 Drill bit supporting multiple cutting elements with multiple cutter geometries and method of assembly Feb. 7, 2012
8096372 Cutter geometry for increased bit life and bits incorporating the same Jan. 17, 2012
8087478 Cutting elements including cutting tables with shaped faces configured to provide continuous effective positive back rake angles, drill bits so equipped and methods of drilling Jan. 3, 2012
8061456 Chamfered edge gage cutters and drill bits so equipped Nov. 22, 2011
8061457 Chamfered pointed enhanced diamond insert Nov. 22, 2011
8028773 Drill bit and cutter element having a fluted geometry Oct. 4, 2011
7954570 Cutting elements configured for casing component drillout and earth boring drill bits including same Jun. 7, 2011
7950476 Drill bit and cutter element having chisel crest with protruding pilot portion May. 31, 2011
7951213 Superabrasive compact, drill bit using same, and methods of fabricating same May. 31, 2011
7918293 Method and system for perceiving a boundary between a first region and a second region of a superabrasive volume Apr. 5, 2011
7836981 Thermally stable polycrystalline diamond cutting elements and bits incorporating the same Nov. 23, 2010
7814997 Interchangeable bearing blocks for drill bits, and drill bits including same Oct. 19, 2010
7798257 Shaped cutter surface Sep. 21, 2010
7798258 Drill bit with cutter element having crossing chisel crests Sep. 21, 2010
7757785 Modified cutters and a method of drilling with modified cutters Jul. 20, 2010
7726419 Drill bit, system, and method for drilling a borehole in an earth formation Jun. 1, 2010
7726420 Cutter having shaped working surface with varying edge chamfer Jun. 1, 2010
7703560 Cutting element with canted interface surface and bit body incorporating the same Apr. 27, 2010
7686106 Rock bit and inserts with wear relief grooves Mar. 30, 2010
7681673 Drill bit and cutting element having multiple cutting edges Mar. 23, 2010
7677333 Drill bit with multiple cutter geometries Mar. 16, 2010
7673709 Earth-boring bit with shear cutting elements Mar. 9, 2010
7669674 Degradation assembly Mar. 2, 2010
7631709 Drill bit and cutter element having chisel crest with protruding pilot portion Dec. 15, 2009
7624825 Drill bit and cutter element having aggressive leading side Dec. 1, 2009
7621349 Drill bit with a fixed cutting structure Nov. 24, 2009

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