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Class Information
Number: 175/429
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) > Including a nozzle
Description: Structure which is combined with a fluid spraying means.










Patents under this class:

Patent Number Title Of Patent Date Issued
8100201 Rotary drill bit Jan. 24, 2012
8091654 Rock bit with vectored hydraulic nozzle retention sleeves Jan. 10, 2012
8020639 Cutting removal system for PDC drill bits Sep. 20, 2011
7954568 Drill bit nozzle assembly and insert assembly including a drill bit nozzle assembly Jun. 7, 2011
7735582 Insertable devices for retention systems, structures for attachment and methods of use Jun. 15, 2010
7481284 Converging diverging nozzle for earth-boring drill bits, method of substantially bifurcating a drilling fluid flowing therethrough, and drill bits so equipped Jan. 27, 2009
7114583 Tool and method for drilling, reaming, and cutting Oct. 3, 2006
6834733 Spiral wave bladed drag bit Dec. 28, 2004
6527065 Superabrasive cutting elements for rotary drag bits configured for scooping a formation Mar. 4, 2003
6253864 Percussive shearing drill bit Jul. 3, 2001
6065553 Split blade rotary drag type drill bits May. 23, 2000
6021858 Drill bit having trapezium-shaped blades Feb. 8, 2000
6006846 Cutting element, drill bit, system and method for drilling soft plastic formations Dec. 28, 1999
5924501 Predominantly diamond cutting structures for earth boring Jul. 20, 1999
5906245 Mechanically locked drill bit components May. 25, 1999
5678645 Mechanically locked cutters and nozzles Oct. 21, 1997
5595252 Fixed-cutter drill bit assembly and method Jan. 21, 1997
5582258 Earth boring drill bit with chip breaker Dec. 10, 1996
5363932 PDC drag bit with improved hydraulics Nov. 15, 1994
5316095 Drill bit cutting element with cooling channels May. 31, 1994
5131480 Rotary cone milled tooth bit with heel row cutter inserts Jul. 21, 1992
5115873 Method and appartus for directing drilling fluid to the cutting edge of a cutter May. 26, 1992
5103922 Fishtail expendable diamond drag bit Apr. 14, 1992
5027912 Drill bit having improved cutter configuration Jul. 2, 1991
4981184 Diamond drag bit for soft formations Jan. 1, 1991
4913244 Large compact cutter rotary drill bit utilizing directed hydraulics for each cutter Apr. 3, 1990
4902073 Cutter pick for mining using hydraulic stream Feb. 20, 1990
4883132 Drag bit for drilling in plastic formation with maximum chip clearance and hydraulic for direct chip impingement Nov. 28, 1989
4848489 Drag drill bit having improved arrangement of cutting elements Jul. 18, 1989
4846290 Underreamer with revolving diamond cutter elements Jul. 11, 1989
4794994 Drag drill bit having improved flow of drilling fluid Jan. 3, 1989
4776411 Fluid flow control for drag bits Oct. 11, 1988
4723612 Bit, nozzle, cutter combination Feb. 9, 1988
4676324 Drill bit and cutter therefor Jun. 30, 1987
4606418 Cutting means for drag drill bits Aug. 19, 1986
4574895 Solid head bit with tungsten carbide central core Mar. 11, 1986
RE32036 Drill bit Nov. 26, 1985
4527642 Earth-boring drill bit with rectangular nozzles Jul. 9, 1985
4360069 Diamond drill bits Nov. 23, 1982
4323130 Drill bit Apr. 6, 1982
4303136 Fluid passage formed by diamond insert studs for drag bits Dec. 1, 1981











 
 
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