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Class Information
Number: 175/431
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 particular orientation or location
Description: Structure where significance is attributed to (1) the compact"s alignment or (2) the arrangement of both the compact and support.










Patents under this class:
1 2 3 4 5 6

Patent Number Title Of Patent Date Issued
8689908 Drill bit having enhanced stabilization features and method of use thereof Apr. 8, 2014
8689910 Impregnation bit with improved cutting structure and blade geometry Apr. 8, 2014
8678111 Hybrid drill bit and design method Mar. 25, 2014
8662207 Rotary drag bits including abrasive-impregnated cutting structures Mar. 4, 2014
8622155 Pointed diamond working ends on a shear bit Jan. 7, 2014
8608815 Methods of fabricating polycrystalline diamond compacts Dec. 17, 2013
8590645 Impregnated drill bits and methods of manufacturing the same Nov. 26, 2013
8589124 Methods for modeling wear of fixed cutter bits and for designing and optimizing fixed cutter bits Nov. 19, 2013
8567533 Rotational drill bits and drilling apparatuses including the same Oct. 29, 2013
8544568 Shoulder durability enhancement for a PDC drill bit using secondary and tertiary cutting elements Oct. 1, 2013
8522646 Expandable earth boring apparatus using impregnated and matrix materials for enlarging a borehole Sep. 3, 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
8499859 Drill bit having rotational cutting elements and method of drilling Aug. 6, 2013
8448726 Drill bits with bearing elements for reducing exposure of cutters May. 28, 2013
8439136 Drill bit for earth boring May. 14, 2013
8418785 Fixed cutter bit for directional drilling applications Apr. 16, 2013
8408338 Impregnated rotary drag bit with enhanced drill out capability Apr. 2, 2013
8353370 Polycrystalline diamond cutting element structure Jan. 15, 2013
8327956 Multi-set PDC drill bit and method Dec. 11, 2012
8327955 Non-parallel face polycrystalline diamond cutter and drilling tools so equipped Dec. 11, 2012
8327957 Downhole cutting tool having center beveled mill blade Dec. 11, 2012
8316968 Rolling cone drill bit having sharp cutting elements in a zone of interest Nov. 27, 2012
8286735 Drill bit having rotational cutting elements and method of drilling Oct. 16, 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
8245797 Cutting structures for casing component drillout and earth-boring drill bits including same Aug. 21, 2012
8191657 Rotary drag bits for cutting casing and drilling subterranean formations Jun. 5, 2012
8177001 Earth-boring tools including abrasive cutting structures and related methods May. 15, 2012
8172011 Cutting element May. 8, 2012
8141665 Drill bits with bearing elements for reducing exposure of cutters Mar. 27, 2012
8132633 Self positioning cutter and pocket Mar. 13, 2012
8127863 Drill bit having enhanced stabilization features and method of use thereof Mar. 6, 2012
8127869 Earth-boring tools, methods of making earth-boring tools and methods of drilling with earth-boring tools Mar. 6, 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
8112258 PDC drill bit using optimized side rake angle Feb. 7, 2012
8100202 Fixed cutter bit with backup cutter elements on secondary blades Jan. 24, 2012
8096373 Rotary drill bits and drilling tools having protective structures on longitudinally trailing surfaces Jan. 17, 2012
8079430 Drill bits and tools for subterranean drilling, methods of manufacturing such drill bits and tools and methods of off-center drilling Dec. 20, 2011
8079431 Drill bit having rotational cutting elements and method of drilling Dec. 20, 2011
8074741 Methods, systems, and bottom hole assemblies including reamer with varying effective back rake Dec. 13, 2011
8047309 Passive and active up-drill features on fixed cutter earth-boring tools and related systems and methods Nov. 1, 2011
8047307 Hybrid drill bit with secondary backup cutters positioned with high side rake angles Nov. 1, 2011
8020641 Drill bit with continuously sharp edge cutting elements Sep. 20, 2011
8020639 Cutting removal system for PDC drill bits Sep. 20, 2011
8020640 Impregnated drill bits and methods of manufacturing the same Sep. 20, 2011
8016056 Asymmetric graded composites for improved drill bits Sep. 13, 2011
8016059 Gage insert Sep. 13, 2011
7954571 Cutting structures for casing component drillout and earth-boring drill bits including same Jun. 7, 2011

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