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Class Information
Number: 299/105
Name: Mining or in situ disintegration of hard material > Cutter tooth or tooth head > Wear resistant feature for tool body (e.g., hard facing)
Description: Cutter tooth or tooth head including a material; e.g., tungsten carbide, placed on the element or supporting means or both in order to abrade or erode before the element or supporting means due to the higher hardness.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7568770 |
Superhard composite material bonded to a steel body |
Aug. 4, 2009 |
| 7320505 |
Attack tool |
Jan. 22, 2008 |
| 7204560 |
Rotary cutting bit with material-deflecting ledge |
Apr. 17, 2007 |
| 7172256 |
Rotary cutting bit having spark suppression sleeve |
Feb. 6, 2007 |
| 6846045 |
Reverse taper cutting tip with a collar |
Jan. 25, 2005 |
| 6824225 |
Embossed washer |
Nov. 30, 2004 |
| 6758530 |
Hardened tip for cutting tools |
Jul. 6, 2004 |
| 6742735 |
Tool body and method of manufacture |
Jun. 1, 2004 |
| 6739327 |
Cutting tool with hardened tip having a tapered base |
May. 25, 2004 |
| 6428111 |
Round-shaft cutter |
Aug. 6, 2002 |
| 6170917 |
Pick-style tool with a cermet insert having a Co-Ni-Fe-binder |
Jan. 9, 2001 |
| 5551760 |
Tungsten carbide insert for a cutting tool |
Sep. 3, 1996 |
| 5484191 |
Insert for tungsten carbide tool |
Jan. 16, 1996 |
| 5417475 |
Tool comprised of a holder body and a hard insert and method of using same |
May. 23, 1995 |
| 5201569 |
Mounting for receiving a mining pick bit |
Apr. 13, 1993 |
| 5081774 |
Composite excavating tooth |
Jan. 21, 1992 |
| 4944559 |
Tool for a mine working machine comprising a diamond-charged abrasive component |
Jul. 31, 1990 |
| 4725098 |
Erosion resistant cutting bit with hardfacing |
Feb. 16, 1988 |
| 4711503 |
Replaceable tooth for a digging and breaking tool |
Dec. 8, 1987 |
| 4194791 |
Grooved earthworking bit and method of enhancing the life thereof |
Mar. 25, 1980 |
| 4091692 |
Bit holder |
May. 30, 1978 |
| 4083605 |
Ripper tooth |
Apr. 11, 1978 |
| 4005906 |
Impact or demolition tool |
Feb. 1, 1977 |
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