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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 |
| 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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