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Class Information
Number: 175
Name: Boring or penetrating the earth >
Description: A. This class relates to processes and means for initially forming or radially enlarging an elongated hole in the earth in situ by dislocating the solid material of the earth.










Class Number Class Name No. of Patents
175/202

Above-ground means for relatively moving below-ground tool elements

38
175/24

Automatic control

190
175/38

In response to drilling fluid circulation

128
175/27

Of advance or applied tool weight

163
175/26

Of boring means including a below-ground drive prime mover

161
175/25

Of fluid pressure below ground

98
175/293

Below-ground (1) hammer, or (2) impact members

72
175/294

Combined with safety joint

4
175/298

Continuous unidirectional rotary motion of one telescoping member effects consecutive impacts

28
175/296

Fluid-operated

273
175/297

Restricted orifice for initially delaying escape of restraining fluid

104
175/299

Resiliently biased

62
175/305

Telescoping members relatively rotatable

23
175/306

With means to couple members to prevent relative rotation

32
175/295

With noncutting portion forwardly of sleeve impact member having a cutting portion (e.g., reamer)

10
175/300

With releasable means to detachably retain telescoping members against axial reciprocation

31
175/302

Condition for release adjustable

11
175/303

Adjustable below ground

4
175/301

Frangible

6
175/304

Resiliently biased latch

30
175/319

Below-ground mechanical motion converting means relatively moving plural cutting edges

13
175/327

Bit or bit element

47
175/382

Adjustable cutter element

26
175/383

Adjustment presents different cutting edge

22
175/384

Radially adjustable

40
175/396

Axially parallel side wall with transverse cuttings retaining portion

8
175/385

Bit with leading portion (e.g., pilot) forming smaller diameter initial bore

157
175/389

Impact type

36
175/390

Plural larger diameter steps

11
175/388

Leading portion is a screw

19
175/387

Leading portion is core forming type

9
175/392

Leading portion is forked rotary type

6
175/386

Leading portion is separable starter

17
175/391

Plural larger diameter steps

75
175/402

Casing shoe type

48
175/403

Core forming type

111
175/405

Impact or percussion type

36
175/405.1

Includes diamond

59
175/404

With core-breaking means

52
175/379

Cutting edge self-renewable during operation

43
175/401

Cutting edges facing in opposite axial directions

21
175/381

Cutting edges relatively longitudinally movable during operation

27
175/397

Forked rotary nontracking

14
175/414

Impact or percussion type

93
175/415

Combined with rotary

185
175/420

Cruciform

20
175/420.1

Insert

173
175/420.2

Includes diamond

88
175/416

Noncircular bore cutter

8
175/417

With internal-fluid passage

87
175/419

Cruciform

11
175/418

Plural openings

75
175/328

Magnetized or with magnet

16
175/406

Noncutting portion forwardly of cutting portion (e.g., reamer)

144
175/407

Impact type

14
175/398

Nonsymmetrical bit

89
175/400

Nonsymmetrical arrangement of opening for cuttings or fluid

36
175/399

With bore wall engaging guide

51
175/412

Plural separable cutter elements

30
175/413

Independently attachable

99
175/331

Rolling cutter bit or rolling cutter bit element

98
175/342

Adjustable cutter element

10
175/354

Axle rotatable with cutter

29
175/334

Bit with leading cutter forming smaller diameter initial bore

32
175/335

Leading fixed cutter

18
175/355

Circumferentially displaced cutter axes

14
175/357

Detachable multiaxis support or spider

5
175/358

Mutually contacting cutter supports

1
175/359

With bearing or seal details

21
175/356

Stub axle only

12
175/332

Core forming-type bit

12
175/333

With core-breaking means

10
175/360

Cross axle with stub axle

1
175/361

Cross axle

11
175/364

Removable cross axle or bushing

19
175/363

Separable supports

9
175/362

Vertically disaligned cross axle sections

0
175/367

Detachable stub axle, bushing or bearing

17
175/368

Releasable cutter securing device

11
175/373

Disk cutter

35
175/378

Irregular tooth cutter row

71
175/350

Laterally offset cutter axis

9
175/353

Cone or frustum rolling cutter

34
175/351

Disk blade

11
175/352

Plural coaxial cutters

4
175/348

Longitudinal axis cutter

13
175/349

With transverse axis cutter

4
175/344

Noncutting portion forwardly of rolling cutter (e.g., reamer)

54
175/345

Longitudinal axis cutter

12
175/347

Removable axle or bushing

16
175/346

Separable support for cutter axle

18
175/376

Nonsymmetrical bit (e.g., nontracking)

89
175/365

Outwardly directed stub axle

21
175/341

Plural rolling cutters with intermeshing teeth

44
175/336

Rolling cutter bit with fixed cutter

55
175/366

Separable support for stub axle

18
175/374

Specific or diverse material

375
175/375

Welded

57
175/377

Spiral rib or tooth row

20
175/369

Stub axle cutter securing means

31
175/370

Released by antifriction bearing disassembly

10
175/371

With bearing or seal details

291
175/372

Antifriction type

103
175/339

With drilling fluid conduit details

104
175/340

Fluid conduit lining or element (e.g., slush tube or nozzle)

153
175/337

With drilling fluid supply to bearing

74
175/338

With rotary or endless carrier

8
175/343

Wobbling cutter

20
175/425

Specific or diverse material

201
175/434

Diamond

345
175/426

Insert

403
175/427

For a mine roof drill bit type

45
175/428

Preformed cutting element (e.g., compact) mounted on a distinct support (e.g., blank, stud, shank)

246
175/430

Having a noncircular or nonplanar cutting face

189
175/431

Having a particular orientation or location

278
175/433

Having a specified thermal property

70
175/429

Including a nozzle

41
175/432

With support detail

291
175/435

Welded, brazed, or soldered

89
175/421

Symmetrical forked rotary type (e.g., fishtail)

18
175/380

Unsupported abrading particle type (e.g., shot)

5
175/408

With bit guide or bore wall compacting device

117
175/393

With fluid conduit lining or element (e.g., slush tube)

276
175/394

With helical-conveying portion

208
175/395

Impact type

29
175/5

Boring a submerged formation

197
175/7

Boring from floating support with submerged independent anchored guide base

243
175/9

Boring from nonbuoyant support

54
175/8

Boring from submerged buoyant support

27
175/10

Boring with submersible vertically movable guide

18
175/6

Boring with underwater tool drive prime mover

33
175/54

Boring by below ground recirculation of unsupported elements (e.g., shot)

24
175/11

Boring by directly applying heat to fluidize or comminute

40
175/14

Combustion is confined chamber having restricted discharge orifice

22
175/12

Combustion of the formation material

12
175/16

Electrically produced heat

61
175/15

Rotating the heating tool

22
175/13

With introduction of slag forming flux

1
175/91

Boring means including a continuously rotating bit describing a noncircular cross-sectional bore

32
175/2

Boring with explosion in inaccessible hole

36
175/4.6

Concave-shaped charge

190
175/4.5

Directing successive projectiles or charges in same path

20
175/4

Driving core receiver by explosion or with receptacle collecting material in bore

20
175/3.5

Explosive charge carried by projectile

4
175/4.53

Firing chamber movable in bore relative to carrier or another firing chamber

15
175/4.56

Firing control mechanically actuated in bore

102
175/4.55

Independent firing of plural charges

59
175/4.57

Projectile forms bore

18
175/4.58

With means to initially restrain projectile for pressure build-up

5
175/4.59

With means to prevent preliminary bore fluid contact

5
175/3

Severing formed core by explosion

1
175/4.54

With bore condition firing control, or compensating means

99
175/4.51

With position orienting or indicating

76
175/4.52

With wall engaging packer or anchor

89
175/19

Boring without earth removal (i.e., compacting earth formation)

244
175/20

Combined with earth removal (e.g., removing sample)

194
175/22

Drive point detached from shaft to form cased bore or with installation of casing

62
175/23

Drive point retracted through shaft or casing

23
175/21

Fluid passage to exterior of drive point

72
175/315

Combined

27
175/108

Common drive or advancing means for concurrently boring along laterally spaced axes

20
175/87

Convertible

19
175/263

Cutter element laterally shiftable below ground (e.g., expansible)

57
175/273

Cutter element shifted by cam or gear axially rotatable relative to shaft

33
175/270

Cutter element shifted by dropped element

3
175/267

Cutter element shifted by fluid pressure

95
175/269

Fluid pressure acts against spring biased part

93
175/268

With dropped element

19
175/284

Cutter element shifted by longitudinally relatively movable parts

36
175/286

Cam or gear engaging cutter element

51
175/289

Cutter element spring biased to retracted position

21
175/288

Cutter element substantially longitudinally movable on shaft

11
175/287

With separate latch holding cutter element in shifted position

7
175/285

Toggle or linkage between movable parts

37
175/272

Cutter element shifted by relatively longitudinally movable threaded elements

12
175/292

Pivoted about substantially longitudinal axis

45
175/265

Plural cutter elements longitudinally relative movable into transverse alignment

26
175/266

Plural selectively shiftable cutter elements

25
175/291

Spring biased

18
175/271

With latch operated by fluid pressure or dropped element

10
175/290

With latch

4
175/264

With separable means holding tool collapsed above ground only

1
175/274

With shifting mechanism spring biased to operative position

9
175/279

Cam or gear means movable to shift cutter element

18
175/280

With forwardly extending noncutting portion

1
175/281

Cutter element substantially longitudinally movable on shaft

2
175/282

Plural elements expanded into single socket

0
175/283

With forwardly extending noncutting portion

3
175/275

With separate latch

2
175/276

Frangible or discardable element

6
175/277

Latch holds mechanism retracted

2
175/278

Latch return shifting mechanism to inoperative position

1
175/53

Enlargement of existing pilot throughbore requiring accessibility to existing opposite bore ends to insert and remove tool

183
175/18

Ice boring

47
175/78

Means carried by housing insertable in inaccessible hole to advance side wall tool laterally

80
175/73

Means traveling with tool to constrain tool to bore along curved path

425
175/76

Axially spaced opposed bore wall engaging guides

161
175/75

Normally curved guide or shaft

99
175/74

Sectional guide or shaft having means to lock sections in angular relation while boring

149
175/424

Miscellaneous (e.g., earth-boring nozzle)

265
175/56

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

136
175/57

Processes

658
175/61

Boring curved or redirected bores

943
175/62

Boring horizontal bores

381
175/65

Boring with specific fluid

398
175/68

Anti-agglomeration treatment of gaseous drilling fluid

6
175/67

Boring by fluid erosion

278
175/69

Combined liquid and gaseous fluid

93
175/71

Gaseous fluid or under gas pressure

81
175/70

Plural distinguishable liquids

38
175/72

Prevention of lost circulation or caving

315
175/66

Treating spent or used fluid above ground

391
175/64

Chemical reaction with earth formation or drilling fluid constituent

102
175/58

Sampling of earth formations

248
175/59

Retaining fluid or taking separate fluid sample

120
175/60

Transporting sample to surface by fluid

24
175/77

Side wall tool fed laterally without rotation from inaccessible hole

37
175/55

Tool actuation by reaction of rotating eccentric mass

63
175/89

Tool element or continuously driven flexible or articulated endless member

14
175/90

Flexible or articulated member carried on support swingable or laterally movable relative to bore axis

12
175/257

Tool removable or insertable through or around driving or driven shaft or casing

84
175/258

Laterally shiftable cutter element movable through shaft

32
175/260

Cutter element engages torque transmitting abutment on shaft when expanded

15
175/261

With additional torque transmitting abutment on bit head and shaft

9
175/259

Plural cutter elements longitudinally relatively movable into transverse alignment

15
175/262

Tool movable exteriorly of shaft

19
175/79

Tool shaft advanced relative to guide insertable in inaccessible hole to change direction of advance

53
175/82

Guide carried by shaft to operative position

41
175/83

With clutch means acting between shaft and guide

8
175/80

Tool telescopes over guide having surface set at angle in hole

58
175/81

With anchor for guide engaging hole side wall

96
175/423

Wedging slip assembly for supporting a pipe or rod

104
175/84

With above-ground cleaner for boring means

45
175/220

With above-ground guide for relatively advancing tool

122
175/207

With above-ground means for handling drilling fluid or cutting

182
175/214

Fluid head on tool shaft having lateral port and axial passage with seal for means reciprocable in the head

44
175/209

Fluid or cuttings directing or receiving means engaging bore entrance

105
175/210

Anchored to bore wall

17
175/211

Axially supported by tool shaft

33
175/208

Fluid spray

5
175/212

Pressurized gas supply

24
175/216

Standpipe

6
175/217

With pump

52
175/213

With suction pump inlet communicating with bore bottom

85
175/215

With tool shaft having plural passages for drilling fluid

138
175/218

With valve

99
175/206

With above-ground means for preparing or separating drilling fluid constituents

280
175/203

With above-ground means to advance or retract boring means

175
175/162

With above-ground means to feed tool

210
175/135

With above-ground means to impact an earth-penetrating means

58
175/161

With above-ground means to move tool to a dumping location offset from bore

20
175/86

With below-ground personal accommodation

14
175/92

With below-ground tool drive prime mover

74
175/93

Below-ground (1) generation of motive fluid, or (2) storage of motivating energy

49
175/100

Discharge passage for motive fluid directed toward bore entrance

32
175/104

Electric

74
175/105

Reciprocating

9
175/107

Fluid rotary type

433
175/95

Plural below-ground drive prime movers

23
175/96

Plural cutter elements driven by individual prime movers

43
175/103

With above-ground means

36
175/102

With below-ground conveyer or impeller for removal of cuttings

27
175/94

With below-ground feed means

83
175/97

With means to anchor prime movers support to bore wall

17
175/98

Expansible anchor

31
175/99

Fluid-operated

96
175/106

With mechanical motion-converting means

97
175/101

With positive connection between tool and support shaft for rotary below ground motor

56
175/39

With bit wear signal generating

81
175/307

With cutting edge cover

8
175/230

With expansible bore wall anchor (e.g., packer)

81
175/17

With heating or cooling (1) within the bore, or (2) drilling fluid

67
175/52

With magazine for successively moving unconnected, oriented tool or shaft sections to use position

202
175/88

With means carrying cuttings laterally of bore axis comprising (1) chute, (2) conveyer, or (3) vehicle

28
175/231

With means movable relative to tool below ground to control eccentric fluid emission

23
175/232

With means movable relative to tool below ground to stop flow toward bore bottom

29
175/238

Flow-stopping means includes relatively movable cutter element

5
175/236

In sample receiver removable through below-ground tool shaft

25
175/237

Means comprises dropped element

21
175/233

Movable to seal sample receiver at bore bottom pressure

13
175/243

Resiliently biased or composed of flexible material

24
175/241

Stops flow by movement about fixed pivot

5
175/242

Pivot transverse to tool axis

14
175/234

With longitudinally spaced valve seats

23
175/235

Seat engaged to stop upward flow

8
175/239

With undisturbed core receiver

11
175/240

Movable means adapted to underlie severed core

4
175/317

With means movable relative to tool or shaft to control below-ground passage

114
175/318

Valve prevents upward flow

82
175/244

With means movable relative to tool to receive, retain, or sever undisturbed core

46
175/245

Core bit closure relative upwardly movable by core

12
175/249

Core-retaining or severing means

76
175/251

Actuated upon relative movement between tool and tool shaft

16
175/252

Relative rotary movement

8
175/250

Fluid-actuated

32
175/254

Mounted on transverse pivot

7
175/255

Sliding wedge type (e.g., slips)

8
175/253

With element holding retaining or severing means inactive

13
175/246

Receiver removable through below-ground tool shaft

59
175/248

Core forming cutting edge or element on receiver

16
175/247

With fluid pressure-responsive means to remove receiver or operate latch

9
175/205

With means providing pressurized gas contact with drilling liquid

24
175/122

With means to feed drive

97
175/113

With means to simultaneously feed and rotate tool from a single mechanical element

70
175/114

Constant rotation rate permitted regardless of (1) release of feed force, or (2) change in feed rate

4
175/121

Rotary drive for relatively advancing feed screw

15
175/118

With feed anchor in earth wall being bored

5
175/313

With mechanical cleaner for bit or cutter element

25
175/85

With orienting or racking means for unconnected tools or sections of shaft or casing

339
175/219

With particular accommodation for personnel (e.g., seat or protector)

49
175/308

With receptacle

23
175/309

Removable or insertable through below-ground tool shaft

13
175/312

Sieve or strainer

17
175/311

Suspended below bit

4
175/310

With helical conveyer

13
175/316

With relatively movable parts to facilitate cleaning without disassembly

10
175/256

With releasable means normally holding jointed shaft sections in angular relation

38
175/226

With sample covering or coating means (1) dispensed into sample receiver, or (2) fluent

31
175/1

With seismic shock generating

48
175/51

With self-acting cyclic advance and retraction of tool or tool shaft

62
175/40

With signaling, indicating, testing or measuring

750
175/42

Indicating agent released in drilling fluid

31
175/50

Indicating, testing or measuring a condition of the formation

493
175/48

Measuring or indicating drilling fluid (1) pressure, or (2) rate of flow

277
175/44

Providing identifiable indication of core position in situ for core sample orientation

31
175/41

Ray energy detection or measuring

36
175/46

Signaling or indicating condition of cutting in cuttings retainer

26
175/45

Tool position direction or inclination measuring or indicating within the bore

676
175/49

Transparent inspection feature

10
175/227

With storage means for bit lubricant carried by bit or shaft

61
175/229

Rotation of bit actuates lubricant feed means

23
175/228

With fluid pressure-actuated feed means

121
175/170

With tool drive prime mover or above-ground mechanical motion converting drive means

86
175/189

Drive reciprocates tool

19
175/195

Rotary drive for a relatively advancing tool (e.g., rotary table)

134
175/173

With diversely operated shafts extending into bore

37
175/172

With endless flexible conveyer

4
175/171

With installing casing

251
175/320

With tool shaft detail

457
175/321

Axially telescoping shaft section

201
175/322

Telescoping motion related to relative axial rotation or oscillation

51
175/323

Helix or helically arranged structure

225
175/324

Means other than tool structure to induce fluent flow

140
175/325.1

Shaft carried guide or protector

92
175/325.2

Coupled between shaft sections or bit and shaft section

187
175/325.4

Having removable inserts

89
175/325.3

With bore wall engaging means rotatable relative to shaft section (e.g., with bearings)

125
175/326

Engaging means advances in adjacent hole

11
175/325.5

Surrounding existing shaft section

126
175/325.6

Held by a fastener parallel to shaft axis

23
175/325.7

Held by discrete fastening means tangential to shaft axis

21
175/314

With well-type screen

43
 
 
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