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Class Information
Number: 299/101
Name: Mining or in situ disintegration of hard material > Cutter tooth or tooth head > Plural cutting edges on tooth, pick, or bit
Description: Cutter tooth or tooth head in which the element has more than one distinct contact point or line.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7611209 |
Reversible cutting tool with shield |
Nov. 3, 2009 |
| 7578080 |
Cutting tooth for a ground working implement |
Aug. 25, 2009 |
| 6918636 |
Coal and rock cutting pick |
Jul. 19, 2005 |
| 6663186 |
Cutting bit |
Dec. 16, 2003 |
| 6341823 |
Rotatable cutting tool with notched radial fins |
Jan. 29, 2002 |
| 6315365 |
Mining machine with core breakers |
Nov. 13, 2001 |
| 5632527 |
Tool and method for the removal of floor or wall surfacing |
May. 27, 1997 |
| 5407252 |
Method and apparatus for scaling mine roofs and ribs |
Apr. 18, 1995 |
| 5378049 |
Rotary cutter for extracting hard rock |
Jan. 3, 1995 |
| 5335976 |
Treatment disk of apparatus for roughening or treating surfaces |
Aug. 9, 1994 |
| 5285768 |
Two tier groove cutting circular saw blade with anti-undercut features |
Feb. 15, 1994 |
| 5158147 |
Auger cutter head |
Oct. 27, 1992 |
| 5106165 |
Fragmentation apparatus |
Apr. 21, 1992 |
| 5083839 |
Apparatus for grooving or grinding pavement |
Jan. 28, 1992 |
| 5028092 |
Impact kerfing rock cutter and method |
Jul. 2, 1991 |
| 4637659 |
Tool member for a rotary drilling tool |
Jan. 20, 1987 |
| 4502734 |
Scabbler bits |
Mar. 5, 1985 |
| 4461513 |
Rotary stone-cutting head |
Jul. 24, 1984 |
| 4451093 |
Tool for scarifying concrete |
May. 29, 1984 |
| 4383715 |
Wall brush |
May. 17, 1983 |
| 4320925 |
Dredge cutterhead tooth |
Mar. 23, 1982 |
| 4216999 |
Machine for mining tar sands having rearwardly directed exhaust related to conveyor trough |
Aug. 12, 1980 |
| 4193638 |
Multiple tip cutting bit for rotary drum-type cutter |
Mar. 18, 1980 |
| 4170267 |
Tooth for rotary drilling tool for drilling foundations |
Oct. 9, 1979 |
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