| |
 |
|
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:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7407525 |
Fracture and wear resistant compounds and down hole cutting tools |
Aug. 5, 2008 |
| 7384592 |
Methods for manufacturing ultrahard compacts |
Jun. 10, 2008 |
| 7373998 |
Cutting element with improved cutter to blade transition |
May. 20, 2008 |
| 7316279 |
Polycrystalline cutter with multiple cutting edges |
Jan. 8, 2008 |
| 7308957 |
Fixed-head bit with stabilizing features |
Dec. 18, 2007 |
| 7287610 |
Cutting elements and bits incorporating the same |
Oct. 30, 2007 |
| 7267187 |
Braze alloy and method of use for drilling applications |
Sep. 11, 2007 |
| 7258177 |
Fracture and wear resistant compounds and rock bits |
Aug. 21, 2007 |
| 7240746 |
Bit gage hardfacing |
Jul. 10, 2007 |
| 7108598 |
PDC interface incorporating a closed network of features |
Sep. 19, 2006 |
| 7096978 |
Drill bits with reduced exposure of cutters |
Aug. 29, 2006 |
| 7086489 |
Multi-lobed cutter element for drill bit |
Aug. 8, 2006 |
| 7070011 |
Steel body rotary drill bits including support elements affixed to the bit body at least partially defining cutter pocket recesses |
Jul. 4, 2006 |
| 7036614 |
Fracture and wear resistant compounds and rock bits |
May. 2, 2006 |
| 7000715 |
Rotary drill bits exhibiting cutting element placement for optimizing bit torque and cutter life |
Feb. 21, 2006 |
| 6935441 |
Drill bits with reduced exposure of cutters |
Aug. 30, 2005 |
| 6932172 |
Rotary contact structures and cutting elements |
Aug. 23, 2005 |
| 6904983 |
Low-contact area cutting element |
Jun. 14, 2005 |
| 6883624 |
Multi-lobed cutter element for drill bit |
Apr. 26, 2005 |
| 6843333 |
Impregnated rotary drag bit |
Jan. 18, 2005 |
| 6823952 |
Structure for polycrystalline diamond insert drill bit body |
Nov. 30, 2004 |
| 6779613 |
Drill bits with controlled exposure of cutters |
Aug. 24, 2004 |
| 6766870 |
Mechanically shaped hardfacing cutting/wear structures |
Jul. 27, 2004 |
| 6749033 |
Polycrystalline diamond partially depleted of catalyzing material |
Jun. 15, 2004 |
| 6733378 |
Abrasive body |
May. 11, 2004 |
| 6725953 |
Drill bit having diamond impregnated inserts primary cutting structure |
Apr. 27, 2004 |
| 6719074 |
Insert chip of oil-drilling tricone bit, manufacturing method thereof and oil-drilling tricone bit |
Apr. 13, 2004 |
| 6655478 |
Fracture and wear resistant rock bits |
Dec. 2, 2003 |
| 6604588 |
Gage trimmers and bit incorporating the same |
Aug. 12, 2003 |
| 6595304 |
Roller bit parallel inlayed compacts |
Jul. 22, 2003 |
| 6585064 |
Polycrystalline diamond partially depleted of catalyzing material |
Jul. 1, 2003 |
| 6571891 |
Web cutter |
Jun. 3, 2003 |
| 6564884 |
Wear protection on a rock bit |
May. 20, 2003 |
| 6530441 |
Cutting element geometry for roller cone drill bit |
Mar. 11, 2003 |
| 6510906 |
Impregnated bit with PDC cutters in cone area |
Jan. 28, 2003 |
| 6510910 |
Unplanar non-axisymmetric inserts |
Jan. 28, 2003 |
| 6499547 |
Multiple grade carbide for diamond capped insert |
Dec. 31, 2002 |
| 6488106 |
Superabrasive cutting element |
Dec. 3, 2002 |
| 6484826 |
Engineered enhanced inserts for rock drilling bits |
Nov. 26, 2002 |
| 6460631 |
Drill bits with reduced exposure of cutters |
Oct. 8, 2002 |
| 6460636 |
Drill bit inserts with variations in thickness of diamond coating |
Oct. 8, 2002 |
| 6458471 |
Reinforced abrasive-impregnated cutting elements, drill bits including same and methods |
Oct. 1, 2002 |
| 6454027 |
Polycrystalline diamond carbide composites |
Sep. 24, 2002 |
| 6446741 |
Rock drill |
Sep. 10, 2002 |
| 6443248 |
Drill bit inserts with interruption in gradient of properties |
Sep. 3, 2002 |
| 6419034 |
Engineered enhanced inserts for rock drilling bits |
Jul. 16, 2002 |
| 6405723 |
Suction tool |
Jun. 18, 2002 |
| 6401845 |
Cutting element with stress reduction |
Jun. 11, 2002 |
| 6394202 |
Drill bit having diamond impregnated inserts primary cutting structure |
May. 28, 2002 |
| 6394199 |
Non-circular gauge reaming row inserts |
May. 28, 2002 |
|
|
|
