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![[Search a list of Patent Appplications for class 299]](../as.gif) Class 299 | MINING OR IN SITU DISINTEGRATION OF HARD MATERIAL |
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![[List of Patents for class 299 subclass 1.05]](../ps.gif) | 1.05 | AUTOMATIC CONTROL; SIGNALING OR INDICATING |
| | 1.1 |  Ore/rock interface determination during cutting |
| | 1.3 | Of tunneling apparatus having a wall temporary support |
| | 1.4 | Of hard material disintegrating machines |
| | 1.5 |  Floor working |
| | 1.6 | Sidewall working (e.g., longwall-type) |
| | 1.8 | Of rotary cutter with advance direction coincident or parallel to rotary axis |
| | 1.9 | Of material handling means |
| | 2 | TUNNEL RECOVERY OF FLUID MATERIAL |
| | 3 | IN SITU CONVERSION OF SOLID TO FLUID |
| | 7 | WITH SEPARATION OF MATERIALS |
| | 10 | PROCESSES |
| | 11 | Stabilizing underground structure |
| | 12 | Mine safety |
| | 13 | Explosive |
| | 14 | Directly applying heat or vibration |
| | 15 | Forming blocks (e.g., quarrying) |
| | 16 | Breaking down by direct contact with fluid |
| | 18 | With material-handling |
| | 19 | MINE LAYOUTS |
| | 20 | EXPANSIBLE BREAKING-DOWN DEVICES |
| | 24 | ICE-WORKING DEVICES |
| | 29 | HARD MATERIAL DISINTEGRATING MACHINES |
| | 30 | Remote control |
| | 31 | Stepper-type advance-causing means |
| | 33 | With mine roof-supporting means |
| | 63 | Cutting kerfs to form block |
| | 34.01 | Cutter attached to endless chain or cable (e.g., planer type) |
| | 34.02 | With auxiliary cutter |
| | 34.04 | Planer, plow, or knife details |
| | 34.07 | Drive details |
| | 34.08 | Vertical height adjustment of entire installation |
| | 34.09 | Chain features and connected to miner |
| | 34.1 | Guide, associated with conveyor, for chain or supply lines |
| | 34.11 | Guide for adjustment of cutter |
| | 34.12 | Pivoting cutter body |
| | 35 | Wire saw-type cutter |
| | 36.1 | Floor-working |
| | 37.1 | Reciprocating or oscillating cutter |
| | 37.3 | Impact or hammering type cutter |
| | 39.1 | Rotary cutter |
| | 39.2 |  With material handling |
| | 39.3 | Slot-type cutter; e.g., pavement saw |
| | 39.4 | Drum-type |
| | 39.5 |  Shiftable horizontally |
| | 39.6 | Height adjustment |
| | 39.7 | Yieldably mounted cutter |
| | 39.8 | Specific mount for fixed projecting cutters |
| | 39.9 | And having rotatable cutting element |
| | 40.1 | Freely rolling cutter |
| | 41.1 | Vertical cutter axis |
| | 42 | Sidewall-working (e.g., longwall cutter) |
| | 43 | With material-handling means |
| | 44 | Undercutting, dislodging and conveying |
| | 45 | Material handler enters cut with cutter |
| | 46 | Rotary impeller |
| | 47 | Driven flexible member causes advance |
| | 51 | Horizontal cutter tooth orbit |
| | 53 | Vertical cutter tooth orbit |
| | 55 | Rotary cutter head with advance direction coincident or parallel to rotary axis |
| | 64 | With material-handling means |
| | 65 | Undercutting, dislodging and conveying |
| | 67 | Material handler enters cut with cutter |
| | 68 | Rotary impeller |
| | 69 | Percussive-type cutter |
| | 71 | Relatively shiftable cutters |
| | 72 | Shiftable to operate in vertical or horizontal cutter tooth orbit |
| | 73 | Cutter shiftable horizontally |
| | 76 | Cutter shiftable vertically |
| | 77 &nb |