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![[Search a list of Patent Appplications for class 175]](../as.gif) Class 175 | BORING OR PENETRATING THE EARTH |
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![[List of Patents for class 175 subclass 1]](../ps.gif) | 1 | WITH SEISMIC SHOCK GENERATING |
| | 2 | BORING WITH EXPLOSION IN INACCESSIBLE HOLE |
| | 3 |  Severing formed core by explosion |
| | 3.5 | Explosive charge carried by projectile |
| | 4 | Driving core receiver by explosion or with receptacle collecting material in bore |
| | 4.5 | Directing successive projectiles or charges in same path |
| | 4.51 | With position orienting or indicating |
| | 4.52 | With wall engaging packer or anchor |
| | 4.53 | Firing chamber movable in bore relative to carrier or another firing chamber |
| | 4.54 | With bore condition firing control, or compensating means |
| | 4.55 | Independent firing of plural charges |
| | 4.56 | Firing control mechanically actuated in bore |
| | 4.57 | Projectile forms bore |
| | 4.58 |  With means to initially restrain projectile for pressure build-up |
| | 4.59 | With means to prevent preliminary bore fluid contact |
| | 4.6 | Concave-shaped charge |
| | 5 | BORING A SUBMERGED FORMATION |
| | 6 | Boring with underwater tool drive prime mover |
| | 7 | Boring from floating support with submerged independent anchored guide base |
| | 8 | Boring from submerged buoyant support |
| | 9 | Boring from nonbuoyant support |
| | 10 | Boring with submersible vertically movable guide |
| | 11 | BORING BY DIRECTLY APPLYING HEAT TO FLUIDIZE OR COMMINUTE |
| | 12 | Combustion of the formation material |
| | 13 | With introduction of slag forming flux |
| | 14 | Combustion is confined chamber having restricted discharge orifice |
| | 15 | Rotating the heating tool |
| | 16 | Electrically produced heat |
| | 17 | WITH HEATING OR COOLING (1) WITHIN THE BORE, OR (2) DRILLING FLUID |
| | 18 | ICE BORING |
| | 19 | BORING WITHOUT EARTH REMOVAL (I.E., COMPACTING EARTH FORMATION) |
| | 20 | Combined with earth removal (e.g., removing sample) |
| | 21 | Fluid passage to exterior of drive point |
| | 22 | Drive point detached from shaft to form cased bore or with installation of casing |
| | 24 | AUTOMATIC CONTROL |
| | 25 | Of fluid pressure below ground |
| | 26 | Of boring means including a below-ground drive prime mover |
| | 27 | Of advance or applied tool weight |
| | 38 | In response to drilling fluid circulation |
| | 39 | WITH BIT WEAR SIGNAL GENERATING |
| | 40 | WITH SIGNALING, INDICATING, TESTING OR MEASURING |
| | 41 | Ray energy detection or measuring |
| | 42 | Indicating agent released in drilling fluid |
| | 44 | Providing identifiable indication of core position in situ for core sample orientation |
| | 45 | Tool position direction or inclination measuring or indicating within the bore |
| | 46 | Signaling or indicating condition of cutting in cuttings retainer |
| | 48 | Measuring or indicating drilling fluid (1) pressure, or (2) rate of flow |
| | 49 | Transparent inspection feature |
| | 50 | Indicating, testing or measuring a condition of the formation |
| | 51 | WITH SELF-ACTING CYCLIC ADVANCE AND RETRACTION OF TOOL OR TOOL SHAFT |
| | 52 | WITH MAGAZINE FOR SUCCESSIVELY MOVING UNCONNECTED, ORIENTED TOOL OR SHAFT SECTIONS TO USE POSITION |
| | 53 | ENLARGEMENT OF EXISTING PILOT THROUGHBORE REQUIRING ACCESSIBILITY TO EXISTING OPPOSITE BORE ENDS TO INSERT AND REMOVE TOOL |
| | 54 | BORING BY BELOW GROUND RECIRCULATION OF UNSUPPORTED ELEMENTS (E.G., SHOT) |
| | 55 | TOOL ACTUATION BY REACTION OF ROTATING ECCENTRIC MASS |
| | 56 | NATURAL VIBRATION CHARACTERISTIC OF AN ELEMENT OF BORING MEANS RELATED (1) TO NATURAL VIBRATION CHARACTERISTIC OF ANOTHER ELEMENT, OR (2) TO FREQUENCY OF AN IMPOSED MOTION |
| | 57 | PROCESSES |
| | 58 | Sampling of earth formations |
| | 61 | Boring curved or redirected bores |
| | 62 | Boring horizontal bores |
| | 64 | Chemical reaction with earth formation or drilling fluid constituent |
| | 65 | Boring with specific fluid |
| | 73 | MEANS TRAVELING WITH TOOL TO CONSTRAIN TOOL TO BORE ALONG CURVED PATH |
| | 74 | Sectional guide or shaft having means to lock sections in angular relation while boring |
| | 75 | Normally curved guide or shaft |
| | 76 | Axially spaced opposed bore wall engaging guides |
| | 77 | SIDE WALL TOOL FED LATERALLY WITHOUT ROTATION FROM INACCESSIBLE HOLE |
| | 78 | MEANS CARRIED BY HOUSING INSERTABLE IN INACCESSIBLE HOLE TO ADVANCE SIDE WALL TOOL LATERALLY |
| | 79 | TOOL SHAFT ADVANCED RELATIVE TO GUIDE INSERTABLE IN INACCESSIBLE HOLE TO CHANGE DIRECTION OF ADVANCE |
| | 80 | Tool telescopes over guide having surface set at angle in hole |
| | 81 | With anchor for guide engaging hole side wall |
| | 82 | Guide carried by shaft to operative position |
| | 84 | WITH ABOVE-GROUND CLEANER FOR BORING MEANS |
| | 85 | WITH ORIENTING OR RACKING MEANS FOR UNCONNECTED TOOLS OR SECTIONS OF SHAFT OR CASING |
| | 86 | WITH BELOW-GROUND PERSONAL ACCOMMODATION |
| | 87 | CONVERTIBLE |
| | 88 | WITH MEANS CARRYING CUTTINGS LATERALLY OF BORE AXIS COMPRISING (1) CHUTE, (2) CONVEYER, OR (3) VEHICLE |
| | 89 | TOOL ELEMENT OR CONTINUOUSLY DRIVEN FLEXIBLE OR ARTICULATED ENDLESS MEMBER |
| | 90 | Flexible or articulated member carried on support swingable or laterally movable relative to bore axis |
| | 91 | BORING MEANS INCLUDING A CONTINUOUSLY ROTATING BIT DESCRIBING A NONCIRCULAR CROSS-SECTIONAL BORE |
| | 92 | WITH BELOW-GROUND TOOL DRIVE PRIME MOVER |
| | 93 | Below-ground (1) generation of motive fluid, or (2) storage of motivating energy |
| | 94 | With below-ground feed means |
| | 95 | Plural below-ground drive prime movers |
| | 97 | With means to anchor prime movers support to bore wall |
| | 100 | Discharge passage for motive fluid directed toward bore entrance |
| | 101 | With positive connection between tool and support shaft for rotary below ground motor |
| | 102 | With below-ground conveyer or impeller for removal of cuttings |
| | 103 | With above-ground means |
| | 104 | Electric |
| | 106 | With mechanical motion-converting means |
| | 107 | Fluid rotary type |
| | 108 | COMMON DRIVE OR ADVANCING MEANS FOR CONCURRENTLY BORING ALONG LATERALLY SPACED AXES |
| | 113 | WITH MEANS TO SIMULTANEOUSLY FEED AND ROTATE TOOL FROM A SINGLE MECHANICAL ELEMENT |
| | 114 | Constant rotation rate permitted regardless of (1) release of feed force, or (2) change in feed rate |
| | 118 | With feed anchor in earth wall being bored |
| | 121 | Rotary drive for relatively advancing feed screw |
| | 122 | WITH MEANS TO FEED DRIVE |
| | 135 | WITH ABOVE-GROUND MEANS TO IMPACT AN EARTH-PENETRATING MEANS |
| | 161 | WITH ABOVE-GROUND MEANS TO MOVE TOOL TO A DUMPING LOCATION OFFSET FROM BORE |
| | 162 | WITH ABOVE-GROUND MEANS TO FEED TOOL |
