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Class Information
Number: 175/434
Name: Boring or penetrating the earth > Bit or bit element > Specific or diverse material > Diamond
Description: Apparatus in which the very hard, crystallized form of the element carbon, commonly called a "diamond" is included as a specific material in the structure of the bit.










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

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
8689912 Polycrystalline diamond constructions having optimized material composition Apr. 8, 2014
8672061 Polycrystalline ultra-hard compact constructions Mar. 18, 2014
8662210 Rotary drill bit including polycrystalline diamond cutting elements Mar. 4, 2014
8662209 Backfilled polycrystalline diamond cutter with high thermal conductivity Mar. 4, 2014
8662207 Rotary drag bits including abrasive-impregnated cutting structures 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
8631864 Durability of downhole tools Jan. 21, 2014
8622157 Polycrystalline diamond compact (PDC) cutting element having multiple catalytic elements Jan. 7, 2014
8617274 Pulsed electrical field assisted or spark plasma sintered polycrystalline ultra hard material and thermally stable ultra hard material cutting elements and compacts and methods of forming the Dec. 31, 2013
8616306 Polycrystalline diamond compacts, method of fabricating same, and various applications Dec. 31, 2013
8616307 Thermally stable diamond bonded materials and compacts Dec. 31, 2013
8608815 Methods of fabricating polycrystalline diamond compacts Dec. 17, 2013
8602132 Superabrasive materials and methods of manufacture Dec. 10, 2013
8596387 Polycrystalline diamond compact including a non-uniformly leached polycrystalline diamond table and applications therefor Dec. 3, 2013
8590646 Impregnated cutting elements with large abrasive cutting media and methods of making and using the same Nov. 26, 2013
8590643 Polycrystalline diamond structure Nov. 26, 2013
8590645 Impregnated drill bits and methods of manufacturing the same Nov. 26, 2013
8579053 Polycrystalline diamond material with high toughness and high wear resistance Nov. 12, 2013
8579052 Polycrystalline compacts including in-situ nucleated grains, earth-boring tools including such compacts, and methods of forming such compacts and tools Nov. 12, 2013
8573332 Methods of forming polycrystalline diamond cutting elements, cutting elements so formed and drill bits so equipped Nov. 5, 2013
8573330 Highly wear resistant diamond insert with improved transition structure Nov. 5, 2013
8573333 Methods for bonding preformed cutting tables to cutting element substrates and cutting elements formed by such processes Nov. 5, 2013
8567534 Thermally stable polycrystalline diamond cutting elements and bits incorporating the same Oct. 29, 2013
8567531 Cutting elements, methods for manufacturing such cutting elements, and tools incorporating such cutting elements Oct. 29, 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
8522900 High toughness thermally stable polycrystalline diamond Sep. 3, 2013
8517123 Milling cap for a polycrystalline diamond compact cutter Aug. 27, 2013
8517125 Impregnated material with variable erosion properties for rock drilling Aug. 27, 2013
8505654 Polycrystalline diamond Aug. 13, 2013
8499861 Ultra-hard composite constructions comprising high-density diamond surface Aug. 6, 2013
8501144 Polycrystalline diamond apparatuses and methods of manufacture Aug. 6, 2013
8496076 Polycrystalline compacts including nanoparticulate inclusions, cutting elements and earth-boring tools including such compacts, and methods of forming such compacts Jul. 30, 2013
8490721 Polycrystalline diamond Jul. 23, 2013
8485609 Impact tool Jul. 16, 2013
8485284 Method for producing a PCD compact Jul. 16, 2013
8469121 Polycrystalline diamond abrasive elements Jun. 25, 2013
8470060 Manufacture of thermally stable cutting elements Jun. 25, 2013
8464814 Systems for manufacturing downhole tools and downhole tool parts Jun. 18, 2013
8448727 Rotary drill bit employing polycrystalline diamond cutting elements May. 28, 2013
8434573 Degradation assembly May. 7, 2013
8419814 Polycrystalline abrasive compacts Apr. 16, 2013
8365845 High impact resistant tool Feb. 5, 2013
8365844 Diamond bonded construction with thermally stable region Feb. 5, 2013
8365846 Polycrystalline diamond cutter with high thermal conductivity Feb. 5, 2013
8361429 Polycrystalline diamond materials and related products Jan. 29, 2013
8353974 Superabrasive elements, methods of manufacturing, and drill bits including same Jan. 15, 2013
8342269 Polycrystalline diamond compact (PDC) cutting element having multiple catalytic elements Jan. 1, 2013

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