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Class Information
Number: 175/428
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)
Description: Structure where the insert comprises an earth contacting portion that is fixed to a backing or substructure which is then placed in the bit aperture.










Sub-classes under this class:

Class Number Class Name Patents
175/430 Having a noncircular or nonplanar cutting face 189
175/431 Having a particular orientation or location 278
175/433 Having a specified thermal property 70
175/429 Including a nozzle 41
175/432 With support detail 291


Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
8689909 Inserts, polycrystalline diamond compact cutting elements, earth-boring bits comprising same, and methods of forming same Apr. 8, 2014
8689910 Impregnation bit with improved cutting structure and blade geometry Apr. 8, 2014
8689913 Polycrystalline diamond compact including a substrate having a raised interfacial surface bonded to a leached polycrystalline diamond table, and applications therefor Apr. 8, 2014
8684111 Core drill bit Apr. 1, 2014
8662208 Downhole cutting tool, cutting elements and method Mar. 4, 2014
8657183 Method of bonding poly-crystalline diamonds to wear surfaces Feb. 25, 2014
8651204 Metal-free supported polycrystalline diamond and method to form Feb. 18, 2014
8651203 Polycrystalline compacts including metallic alloy compositions in interstitial spaces between grains of hard material, cutting elements and earth-boring tools including such polycrystalline co Feb. 18, 2014
8627905 Non-planar interface construction Jan. 14, 2014
8627904 Thermally stable polycrystalline diamond material with gradient structure Jan. 14, 2014
8616306 Polycrystalline diamond compacts, method of fabricating same, and various applications Dec. 31, 2013
8608815 Methods of fabricating polycrystalline diamond compacts Dec. 17, 2013
8602132 Superabrasive materials and methods of manufacture Dec. 10, 2013
8579053 Polycrystalline diamond material with high toughness and high wear resistance Nov. 12, 2013
8573330 Highly wear resistant diamond insert with improved transition structure Nov. 5, 2013
8567534 Thermally stable polycrystalline diamond cutting elements and bits incorporating the same Oct. 29, 2013
8567533 Rotational drill bits and drilling apparatuses including the same Oct. 29, 2013
8567532 Cutting element attached to downhole fixed bladed bit at a positive rake angle Oct. 29, 2013
8561727 Superabrasive cutting elements and systems and methods for manufacturing the same Oct. 22, 2013
8561731 Hardmetal for use in oil and gas drilling applications Oct. 22, 2013
8540036 Ultrahard sintered carbide particles in hardfacing for earth-boring bit Sep. 24, 2013
8517124 PDC drill bit with flute design for better bit cleaning Aug. 27, 2013
8511405 Drill bit with tiered cutters Aug. 20, 2013
8479846 Earth-boring tools including an impact material and methods of drilling through casing Jul. 9, 2013
8464814 Systems for manufacturing downhole tools and downhole tool parts Jun. 18, 2013
8448725 Impact resistant PDC drill bit May. 28, 2013
8448727 Rotary drill bit employing polycrystalline diamond cutting elements May. 28, 2013
8434572 Cutting elements for downhole cutting tools May. 7, 2013
8408338 Impregnated rotary drag bit with enhanced drill out capability Apr. 2, 2013
8397841 Drill bit with cutting elements having functionally engineered wear surface Mar. 19, 2013
8381845 Infiltrated carbide matrix bodies using metallic flakes Feb. 26, 2013
8353371 Polycrystalline diamond compact including a substrate having a raised interfacial surface bonded to a leached polycrystalline diamond table, and applications therefor Jan. 15, 2013
8353370 Polycrystalline diamond cutting element structure Jan. 15, 2013
8327958 Abrasive compact of superhard material and chromium and cutting element including same Dec. 11, 2012
8323367 Superabrasive elements, methods of manufacturing, and drill bits including same Dec. 4, 2012
8316969 Superabrasive materials and methods of manufacture Nov. 27, 2012
8309050 Polycrystalline diamond materials having improved abrasion resistance, thermal stability and impact resistance Nov. 13, 2012
8297382 Polycrystalline diamond compacts, method of fabricating same, and various applications Oct. 30, 2012
8240405 Polycrystalline diamond abrasive elements Aug. 14, 2012
8236074 Superabrasive elements, methods of manufacturing, and drill bits including same Aug. 7, 2012
8206474 Abrasive compacts Jun. 26, 2012
8191657 Rotary drag bits for cutting casing and drilling subterranean formations Jun. 5, 2012
8191656 Auto adaptable cutting structure Jun. 5, 2012
8191658 Cutting elements having different interstitial materials in multi-layer diamond tables, earth-boring tools including such cutting elements, and methods of forming same Jun. 5, 2012
8172008 Drilling apparatus with reduced exposure of cutters and methods of drilling May. 8, 2012
8172011 Cutting element May. 8, 2012
8172012 Cutting tool insert and drill bit so equipped May. 8, 2012
8162082 Superabrasive compact including multiple superabrasive cutting portions, methods of making same, and applications therefor Apr. 24, 2012
8157029 Thermally stable polycrystalline diamond cutting elements and bits incorporating the same Apr. 17, 2012
8157028 Masonry drill bit Apr. 17, 2012

1 2 3 4 5










 
 
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