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Class Information
Number: 299/83.1
Name: Mining or in situ disintegration of hard material > Cutter tooth or tooth head > Endless-chain type head > Plural teeth on single link
Description: Endless-chain type head in which one of the series carries at least two cutting elements.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7578080 |
Cutting tooth for a ground working implement |
Aug. 25, 2009 |
| 6684538 |
Cutting tooth for a trencher chain |
Feb. 3, 2004 |
| 5248188 |
Chain for trencher apparatus |
Sep. 28, 1993 |
| 4775189 |
Bushing plate cutter |
Oct. 4, 1988 |
| 4394882 |
Continuous chain bit with downhole cycling capability |
Jul. 26, 1983 |
| 4273169 |
Cable saw for tree harvesting apparatus |
Jun. 16, 1981 |
| 4244625 |
Apparatus for cutting hard earth formations |
Jan. 13, 1981 |
| 4225186 |
Horizontal mining machine and method of slot mining |
Sep. 30, 1980 |
| 4089561 |
Cutter chains having picks and to picks therefor |
May. 16, 1978 |
| 3968995 |
Continuous mining machine with a chain drive for the cutting head |
Jul. 13, 1976 |
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