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Class Information
Number: 266
Name: Metallurgical apparatus >
Description: This class provides for apparatus for: a) enriching metal bearing ores, b) extracting metals from their source materials, c) refining, purifying or otherwise treating molten or liquefied metals where such treatment is not elsewhere provided for, d) melting metals and e) establishing desired physical or chemical properties in solid metal objects, and for subcombinations peculiar to such apparatus. This class also provides for methods of operating such apparatus where not elsewhere provided for.










Class Number Class Name No. of Patents
266/165

Ambulant vessel

52
266/904

Blowpipe cutting heads

8
266/902

Blowpipes specialized to transversely cut or notch blooms, billets or bars

6
266/160

Combined or convertible

90
266/142

Geographic or structural installation

86
266/143

Having refining vessel with travelling support

37
266/114

Having means for contacting a solid metalliferous material or metal object with a liquid

108
266/120

By immersing an article to be treated in bath of molten material, e.g., salt bath

36
266/134

By means contacting only selected areas of treated article with liquid

29
266/121

With heating means, e.g., flame contact

12
266/128

By electric heating means

9
266/129

Inductance type

128
266/123

By heating means adapted to be inserted into a hollow object

10
266/124

By means heating selected areas of an object

5
266/125

By means specialized to heat an article having an irregular contour (e.g., cams, gears)

24
266/126

By heating means configured to fit between adjacent gear teeth

7
266/122

By means treating metalliferous materials, e.g., ores

7
266/130

Having bath for contacting the work with liquid

31
266/133

Having means to move work through bath

34
266/132

Having work introducing elevator

16
266/131

With means to agitate or control temperature of bath

24
266/127

Unitized heating and fluid contact means

23
266/115

With means changing the shape of a treated object, e.g., roller means

30
266/116

Spring shaping means

5
266/117

With means to prevent warping of treated object

36
266/118

Of a gear wheel

8
266/119

With heating of object

9
266/101

Having means for leaching and subsequently precipitating a metal

78
266/280

Linings

194
266/283

Having particular lining element shape

76
266/284

Having specific grain size

17
266/281

With making or repairing means

167
266/285

With means allowing for expansion

42
266/282

With metallic means to prevent lining abrasion

21
266/286

With specific lining enclosing structure

129
266/48

Means for cutting solid metal with heat, e.g., blowpipes

208
266/70

Circle cutter

39
266/66

Hand held, work riding torch

27
266/74

Having adjuvant material feed

22
266/75

Solid material

17
266/71

Having torch solely supported by workpiece

12
266/76

Having torch spacing means

37
266/50

Means for cutting continuously cast workpieces

58
266/51

Means for removing surface material, e.g., scarfing

72
266/52

Having means to simultaneously scarf multiple sides of a workpiece

3
266/53

Having workpiece-contacting cutting means spacer

5
266/72

With cantilevered arm torch support

17
266/73

Having carriage-supported cantilevered arm

22
266/54

With means for cutting tubular workpiece

28
266/56

Having means to circumrotate torch about workpiece

30
266/55

Having torch mount secured within workpiece

16
266/57

With means to rotate workpiece

30
266/58

With pattern control means

39
266/62

Having articulated arm supporting torch

11
266/63

With pantograph arm means

4
266/64

Having spaced, superposed templet

13
266/60

With automatic line-follower means

19
266/61

With means to rotate workpiece

15
266/59

With tape-control means

6
266/77

With torch mounting means

80
266/49

With waste entrapping fluid

58
266/67

With wheeled carriage torch mount

43
266/68

Having work contacting torch spacing means

17
266/69

With work-spanning torch mount

34
266/65

With work supporting grate means

29
266/161

Means for extracting and refining metal

18
266/162

With separate refining zone

21
266/164

With heated vertical extracting means

7
266/163

With rotating heating vessel

10
266/274

Means for holding or supporting work

90
266/279

Grate

7
266/275

Receptacle

287
266/278

Having corrugated wall

1
266/276

With means movably supporting receptacle

63
266/277

By bed of rollers

10
266/265

Means for introducing fluent into vessel, e.g., tuyere

148
266/269

Having drain means or cleaner insertion means, e.g., punch hole

28
266/267

Having means for simultaneously feeding diverse materials

51
266/268

Having plural outlets

96
266/270

Having means preventing damage to introducing means, e.g., wear linings, cooling

187
266/266

With flow control means or internal flow guide

83
266/200

Means for melting or vaporizing metal or treating liquefied metal

113
266/243

Bessemer-type treating vessel

26
266/244

By mounting vessel to revolve about its longitudinal axis

10
266/245

With means pivotally mounting vessel

51
266/246

Means mounting vessel to trunnion ring

47
266/247

Means mounting vessel to u-shaped trunnion support means

9
266/216

By means introducing treating material

187
266/217

Gaseous treating material

196
266/218

Having fluid inlet formed in vessel wall, e.g., tuyere

111
266/221

By means to introduce diverse material

27
266/222

Concentric flow paths

37
266/223

Having control means

11
266/219

Having intersecting streams converging on central axis of vertical furnace

17
266/220

Having porous outlet

136
266/224

Having tuyere formed in plug bottom

20
266/225

Lance

274
266/226

With manipulating means

79
266/203

By means specialized to puddle metal

0
266/207

By providing, treating or protecting environment, e.g., vacuum

88
266/208

By application of vacuum

84
266/209

By upward flow of metal within treating zone

24
266/210

Recirculating material to its source

23
266/211

Enclosed within casing

18
266/227

By separating metal in a molten mass from undesired material, e.g., slag

223
266/229

By baffle means

61
266/230

At discharge outlet

79
266/231

In discharge trough, e.g., runner

37
266/228

By skimming a material

33
266/232

Settling receptacle, e.g., slag pot

12
266/233

By stirring or mixing molten metal

83
266/235

Having impeller means

128
266/234

Induction stirring

57
266/215

Continuous refining

42
266/242

Heated melting pot

106
266/248

Horizontal, rotatable, cylindrical type

22
266/204

Means applying centrifugal force

25
266/206

Means for melting-type material, e.g., linotype

6
266/205

Means to melt and separate metal from mass of diverse constituents

59
266/212

Refining means with separate metal-melting zone

26
266/214

Reverberatory refining vessel, e.g., open hearth

20
266/213

Revolving drum-type furnace

37
266/201

Slag refining means

48
266/202

Spray refining means

95
266/241

With means to cool treating means

100
266/236

With means to discharge molten material

363
266/239

By changing ambient pressure on material surface, e.g., suction

121
266/237

Including electromagnetic means

76
266/238

Means for removing residual material

9
266/240

With means to tilt heating means

49
266/168

Means for treating ores or for extracting metals

65
266/169

Amalgam-type extraction means

10
266/171

By means applying heat to work, e.g., furnace

58
266/172

Fluidized zone

147
266/173

Rotary drum-type furnace

77
266/197

Shaft-type furnace, e.g., blast furnace

120
266/198

Having external support

6
266/199

Having specific top structure

37
266/190

With cooling of heating means

33
266/192

By direct fluid contact

11
266/191

By means cooling material discharge means

16
266/193

By means embedded in heating means

95
266/194

Having means to facilitate removal of cooling means

31
266/195

With discharge means

53
266/196

With trough-shaped outlet, e.g., runner

60
266/186

With means for feeding fluids

52
266/188

With common outlet means to feed diverse fluids

11
266/187

With flow regulating means

12
266/189

With means to cool fluid feeding means

10
266/176

With means for moving solid material to or through heating zone

81
266/184

Bell and hopper type

25
266/182

By fluid current

72
266/177

By means for moving charge through zone

56
266/181

Means forming cascading array

3
266/178

Traveling grate

49
266/180

Train of grate elements

10
266/179

With seal means

20
266/183

By power-driven means conveying solid charge into zone

28
266/174

With safety device

2
266/175

With separate preheat chamber

31
266/185

With work supporting grate

6
266/170

By means precipitating metal from solution

97
266/271

Means sealing or opening aperture in vessel

155
266/272

By means plugging aperture

98
266/273

By means injecting plugging compound, e.g., mud gun

32
266/102

Means treating a continuum of work

49
266/103

With heating means

125
266/104

By joule effect

46
266/105

Discrete article continuum

16
266/107

In a molten material bath

22
266/108

In a muffle furnace

15
266/110

In specific environment, e.g., vacuum

29
266/106

Overlapped planar coil

45
266/109

With cooling by contact with solid heat sink

13
266/111

With fluid contact means

68
266/112

In liquid bath

62
266/113

In liquid spray

101
266/249

Means treating solid metal

120
266/251

By contact with gas

93
266/258

By contacting only selected areas of object

25
266/252

With heating means

231
266/253

Bottom feeding furnace

15
266/257

Having atmosphere generating means within treating zone

42
266/255

Having work contained in separate, noncommunicating chamber, e.g., muffle

30
266/256

Bell furnace

31
266/254

With indirect heat-exchange means for gas

29
266/259

By cooling of the solid

146
266/260

By contact with solid heat sink

13
266/261

By flame contact heating

22
266/262

Fluid tight heat transferring box shield or hood (e.g., annealing box)

23
266/263

Bell-type hood, or support for such hood

28
266/264

Having packing at hood lip

10
266/250

Having evacuated chamber

77
266/900

Metal melting furnaces, e.g., cupola type

109
266/287

Miscellaneous

130
266/44

Process

391
266/46

Cooling

86
266/45

Plugging or tapping

199
266/47

Tuyere operation

107
266/905

Refractory metal-extracting means

29
266/DIG.1

Repair or restoration of apparatus

27
266/903

Safety shields

12
266/901

Scrap metal preheating or melting

183
266/167

Thermit™ reaction vessel

16
266/166

Treating vessel with distinct molten material holding means, e.g., forehearth

20
266/135

With cleaning or lubricating means

51
266/136

Fluid injector cleaner

11
266/78

With control means responsive to sensed condition

112
266/79

By treated material sampling means

45
266/80

With analyzer or computation means

162
266/90

With means responsive to condition of treated material

95
266/92

By means sensing position of work

44
266/94

By means sensing level of molten liquid

53
266/95

By float means

8
266/93

By means sensing presence or absence of work

7
266/91

By means sensing weight or density of work

38
266/81

With means supplying a treating agent

74
266/86

By means positioning dispenser

8
266/82

Correlated flow of diverse fluents

23
266/83

With flow rate sensor

21
266/84

With means sensing moisture content

4
266/85

Individual control of diverse inputs

8
266/89

With pressure sensor

73
266/87

With temperature sensor

174
266/88

In a fluid

54
266/137

With means to comminute or disintegrate solids

32
266/138

With means to preheat gas

21
266/140

By heat generating means

17
266/141

By remote heat exchanger

19
266/139

Having heat storage means, e.g., checkers, stroves

16
266/144

With means treating or handling gases exhausted by treating means

122
266/148

By condensing and collecting a volatile constituent

48
266/151

By cascading material evolving the gas

1
266/152

By indirect liquid heat exchange means

6
266/150

Having molten metal splashing means

3
266/153

Having retort condenser

7
266/154

Vertical shaft furnace

15
266/149

Within evacuated chamber

42
266/146

By contacting gas with nonmetallic liquid

12
266/147

By liquid spraying

39
266/156

By means recycling exhaust gas

170
266/157

By separating particles from evolved gas

112
266/145

Having means to treat or handle gases evolving from rotary furnace

36
266/158

Hood

138
266/159

Offtake

64
266/155

With heat exchanger, e.g., waste heat boiler

77
266/96

With programmed, cyclic, or time responsive control means

33
266/97

By timer

4
266/98

Having driven disk or drum

3
266/99

With recording, indicating, inspection or measuring means

179
266/100

Having observation means

47
 
 
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