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Class Information
Number: 175/426
Name: Boring or penetrating the earth > Bit or bit element > Specific or diverse material > Insert
Description: Apparatus in which the cutting edge of the bit is a relatively small element of abrasion resistant material which is at least partially enclosed within a slot or aperture in the bit and secured therein.










Sub-classes under this class:

Class Number Class Name Patents
175/427 For a mine roof drill bit type 45
175/428 Preformed cutting element (e.g., compact) mounted on a distinct support (e.g., blank, stud, shank) 246


Patents under this class:
1 2 3 4 5 6 7 8 9

Patent Number Title Of Patent Date Issued
8701798 Cutting element assembly including one or more superabrasive cutting elements and drill bit utilizing the same Apr. 22, 2014
8689909 Inserts, polycrystalline diamond compact cutting elements, earth-boring bits comprising same, and methods of forming same Apr. 8, 2014
8662207 Rotary drag bits including abrasive-impregnated cutting structures Mar. 4, 2014
8662209 Backfilled polycrystalline diamond cutter with high thermal conductivity Mar. 4, 2014
8622154 Diamond bonded construction with thermally stable region Jan. 7, 2014
8602130 Superabrasive elements having indicia and related apparatus and methods Dec. 10, 2013
8602132 Superabrasive materials and methods of manufacture Dec. 10, 2013
8590644 Downhole drill bit Nov. 26, 2013
8540037 Layered polycrystalline diamond Sep. 24, 2013
8534393 Diamond enhanced cutting elements, earth-boring tools employing diamond-enhanced cutting elements, and methods of making diamond-enhanced cutting elements Sep. 17, 2013
8534392 Composite cutting/milling tool having differing cutting elements and method for making the same Sep. 17, 2013
8534391 Cutting elements and earth-boring tools having grading features Sep. 17, 2013
8505655 Superabrasive inserts including an arcuate peripheral surface Aug. 13, 2013
8501144 Polycrystalline diamond apparatuses and methods of manufacture Aug. 6, 2013
8499860 Cutting elements having cutting edges with continuous varying radii and bits incorporating the same Aug. 6, 2013
8490721 Polycrystalline diamond Jul. 23, 2013
8479845 Cutting element assembly including one or more superabrasive cutting elements, drill bit utilizing the same, and methods of manufacture Jul. 9, 2013
8459382 Rotary drill bits including bearing blocks Jun. 11, 2013
8413746 Rolling cutter Apr. 9, 2013
8408338 Impregnated rotary drag bit with enhanced drill out capability Apr. 2, 2013
8393419 Superabrasive elements having indicia and related apparatus and methods Mar. 12, 2013
8365846 Polycrystalline diamond cutter with high thermal conductivity Feb. 5, 2013
8353974 Superabrasive elements, methods of manufacturing, and drill bits including same Jan. 15, 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
8336648 Mechanical attachment of thermally stable diamond to a substrate Dec. 25, 2012
8327958 Abrasive compact of superhard material and chromium and cutting element including same Dec. 11, 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
8292006 Diamond-enhanced cutting elements, earth-boring tools employing diamond-enhanced cutting elements, and methods of making diamond-enhanced cutting elements Oct. 23, 2012
8281882 Jack element for a drill bit Oct. 9, 2012
8281881 Rolling cone drill bit having cutting elements with improved orientations Oct. 9, 2012
8276691 Rotary drill bit including at least one superabrasive cutting element having a diamond-silicon carbide composite table Oct. 2, 2012
8272459 Superabrasive inserts including an arcuate peripheral surface Sep. 25, 2012
8240403 Earth-boring tools with improved retention of cutting elements installed within pockets Aug. 14, 2012
8230953 Polycrystalline diamond compacts and drill bits using same Jul. 31, 2012
8225890 Impregnated bit with increased binder percentage Jul. 24, 2012
8220567 Impregnated bit with improved grit protrusion Jul. 17, 2012
8205692 Rock bit and inserts with a chisel crest having a broadened region Jun. 26, 2012
8202335 Superabrasive elements, methods of manufacturing, and drill bits including same Jun. 19, 2012
8191445 Methods of forming fiber-containing diamond-impregnated cutting tools Jun. 5, 2012
8181723 Bits and cutting structures May. 22, 2012
8182778 Boron carbide and method for making same May. 22, 2012
8172011 Cutting element May. 8, 2012
8146686 Fiber-containing cutting tools Apr. 3, 2012
8146687 Polycrystalline diamond compact including at least one thermally-stable polycrystalline diamond body and applications therefor Apr. 3, 2012
8146688 Drill bit with prefabricated cuttings splitter and method of making Apr. 3, 2012
8147790 Methods of fabricating polycrystalline diamond by carbon pumping and polycrystalline diamond products Apr. 3, 2012
8118119 Impregnated rotary bit Feb. 21, 2012
8109350 Polycrystalline abrasive composite cutter Feb. 7, 2012
8100202 Fixed cutter bit with backup cutter elements on secondary blades Jan. 24, 2012

1 2 3 4 5 6 7 8 9










 
 
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