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Class Information
Number: 175/432
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) > With support detail
Description: Structure in which significance is attributed to a structural feature of the backing or substructure portion.










Patents under this class:
1 2 3 4 5 6

Patent Number Title Of Patent Date Issued
8104551 Excavation tool Jan. 31, 2012
8091655 Rolling cutter Jan. 10, 2012
8079431 Drill bit having rotational cutting elements and method of drilling Dec. 20, 2011
8071173 Methods of fabricating a polycrystalline diamond compact including a pre-sintered polycrystalline diamond table having a thermally-stable region Dec. 6, 2011
8069937 Polycrystalline diamond compact including a cemented tungsten carbide substrate that is substantially free of tungsten carbide grains exhibiting abnormal grain growth and applications therefor Dec. 6, 2011
8066087 Thermally stable ultra-hard material compact constructions Nov. 29, 2011
8061457 Chamfered pointed enhanced diamond insert Nov. 22, 2011
8061452 Cutting element apparatuses, drill bits including same, methods of cutting, and methods of rotating a cutting element Nov. 22, 2011
8028773 Drill bit and cutter element having a fluted geometry Oct. 4, 2011
8025113 Detritus flow management features for drag bit cutters and bits so equipped Sep. 27, 2011
8020642 Polycrystalline diamond abrasive elements Sep. 20, 2011
7987931 Cutting element apparatuses, drill bits including same, methods of cutting, and methods of rotating a cutting element Aug. 2, 2011
7963617 Degradation assembly Jun. 21, 2011
7946363 Thermally stable polycrystalline diamond cutting elements and bits incorporating the same May. 24, 2011
7942218 Cutting element apparatuses and drill bits so equipped May. 17, 2011
7909121 Polycrystalline ultra-hard compact constructions Mar. 22, 2011
7901137 Bearing assembly, and bearing apparatus and motor assembly using same Mar. 8, 2011
7861808 Cutter for maintaining edge sharpness Jan. 4, 2011
7845436 Cutting element apparatuses, drill bits including same, methods of cutting, and methods of rotating a cutting element Dec. 7, 2010
7836981 Thermally stable polycrystalline diamond cutting elements and bits incorporating the same Nov. 23, 2010
7836980 Earth-boring tools having pockets for receiving cutting elements and methods for forming earth-boring tools including such pockets Nov. 23, 2010
7814997 Interchangeable bearing blocks for drill bits, and drill bits including same Oct. 19, 2010
7814998 Superabrasive cutting elements with enhanced durability and increased wear life, and drilling apparatus so equipped Oct. 19, 2010
7762359 Cutter assembly including rotatable cutting element and drill bit using same Jul. 27, 2010
7757785 Modified cutters and a method of drilling with modified cutters Jul. 20, 2010
7757789 Drill bit and insert having bladed interface between substrate and coating Jul. 20, 2010
7757790 Superabrasive compact with selected interface and rotary drill bit including same Jul. 20, 2010
7757793 Thermally stable polycrystalline ultra-hard constructions Jul. 20, 2010
7717199 Cutting elements and bits incorporating the same May. 18, 2010
7703560 Cutting element with canted interface surface and bit body incorporating the same Apr. 27, 2010
7703559 Rolling cutter Apr. 27, 2010
7644786 Diamond bit steel body cutter pocket protection Jan. 12, 2010
7641004 Drill bit Jan. 5, 2010
7628233 Carbide bolster Dec. 8, 2009
7621349 Drill bit with a fixed cutting structure Nov. 24, 2009
7604074 Cutting elements and bits incorporating the same Oct. 20, 2009
7604073 Cutting element apparatuses, drill bits including same, methods of cutting, and methods of rotating a cutting element Oct. 20, 2009
7600590 Low projection inserts for rock bits Oct. 13, 2009
7594554 Cutting element insert for backup cutters in rotary drill bits, rotary drill bits so equipped, and methods of manufacture therefor Sep. 29, 2009
7571782 Stiffened blade for shear-type drill bit Aug. 11, 2009
7537067 Rotary claw bit May. 26, 2009
7533740 Thermally stable polycrystalline diamond cutting elements and bits incorporating the same May. 19, 2009
7533739 Cutting element apparatuses and drill bits so equipped May. 19, 2009
7520345 Fixed cutter rotary drill bit including support elements affixed to the bit body at least partially defining cutter pocket recesses Apr. 21, 2009
7513320 Cemented carbide inserts for earth-boring bits Apr. 7, 2009
7493972 Superabrasive compact with selected interface and rotary drill bit including same Feb. 24, 2009
7475744 Superabrasive inserts including an arcuate peripheral surface Jan. 13, 2009
7469757 Drill bit with diamond impregnated cutter element Dec. 30, 2008
7395885 Cutting element with canted interface surface and bit body incorporating the same Jul. 8, 2008
7373998 Cutting element with improved cutter to blade transition May. 20, 2008

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