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Class Information
Number: 299/79.1
Name: Mining or in situ disintegration of hard material > Cutter tooth or tooth head
Description: Apparatus comprising (1) an element which is disclosed as specifically adapted to mechanically contact and selectively break up, scarify, or dislocate hard material, such hard material being described as in situ relative to the earth or (2) the immediate supporting means for such element.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7547074 |
Overlapping pedestals for supporting a block secured to a rotating drum |
Jun. 16, 2009 |
| 7469971 |
Lubricated pick |
Dec. 30, 2008 |
| 7387345 |
Lubricating drum |
Jun. 17, 2008 |
| 7384104 |
Oscillating disc cutter with speed controlling bearings |
Jun. 10, 2008 |
| 7036890 |
Core breaker for an earth strata cutting assembly |
May. 2, 2006 |
| 7017683 |
Cutter for tunnel boring machine |
Mar. 28, 2006 |
| 6890037 |
Cutting drum web deflector |
May. 10, 2005 |
| 6764140 |
Drum mounting plate for cutting tool holder block |
Jul. 20, 2004 |
| 6739327 |
Cutting tool with hardened tip having a tapered base |
May. 25, 2004 |
| 6546977 |
Stump grinding apparatus |
Apr. 15, 2003 |
| 6481803 |
Universal bit holder block connection surface |
Nov. 19, 2002 |
| 6431656 |
Processing tool for a road surface processing machine |
Aug. 13, 2002 |
| 6386641 |
Weld joint design for corners |
May. 14, 2002 |
| 6382732 |
Cutter head, tunnel excavating machine, and cutter replacing method |
May. 7, 2002 |
| 6343842 |
Roller bit for tunnel-driving machines with segmented cutting rings |
Feb. 5, 2002 |
| 6341823 |
Rotatable cutting tool with notched radial fins |
Jan. 29, 2002 |
| 6331035 |
Cutting tool holder assembly with press fit |
Dec. 18, 2001 |
| 6315365 |
Mining machine with core breakers |
Nov. 13, 2001 |
| 6244665 |
Cutting toolholder with recessed groove for cutting tool removal |
Jun. 12, 2001 |
| 6224163 |
Milling roller module for a surface miner |
May. 1, 2001 |
| 6199956 |
Round-shank bit for a coal cutting machine |
Mar. 13, 2001 |
| 6193444 |
In-situ blending and transferring of earth materials |
Feb. 27, 2001 |
| 6183170 |
Cylindrical cutting device |
Feb. 6, 2001 |
| 6176552 |
Cutting bit support member with undercut flange for removal |
Jan. 23, 2001 |
| 6129422 |
Cutting tool holder retention system |
Oct. 10, 2000 |
| 6099081 |
Point attack tooling system for mineral winning |
Aug. 8, 2000 |
| 5992405 |
Tool mounting for a cutting tool |
Nov. 30, 1999 |
| 5924222 |
Trench wall cutter |
Jul. 20, 1999 |
| 5844160 |
Land mine clearing tool |
Dec. 1, 1998 |
| 5722789 |
Multi-width cutter |
Mar. 3, 1998 |
| 5662387 |
Cutter head and method for mining hard rock |
Sep. 2, 1997 |
| 4303277 |
Triangular shaped cutting head for use with a longwall mining machine |
Dec. 1, 1981 |
| 4294183 |
Cutter configuration for efficient ice disaggregation and clearing |
Oct. 13, 1981 |
| 4001798 |
Self-contained sensor |
Jan. 4, 1977 |
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