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Class Information
Number: 202
Name: Distillation: apparatus >
Description: GENERAL STATEMENT OF CLASS SUBJECT MATTER










Class Number Class Name No. of Patents
202/81

Apparatus

14
202/270

Accessories and details

148
202/239

Elements

56
202/265

Agitating

46
202/269

Air and gas seals

140
202/241

Cleaning and decarbonizing

143
202/242

Closures

112
202/252

Bottom

30
202/253

Cooling or quenching

22
 

Dome ovens

 
202/246

Hinged

18
202/245

Removable

30
202/244

Tunnel heads and lids

25
202/243

Fluid cooled

7
202/247

Horizontal retort

21
202/248

Coke-oven type

164
202/249

Rotary retort

6
202/250

Top

14
202/251

Charging

33
202/266

Distilland supports and containers

90
202/268

Expansion provisions

53
202/262

Feeding and discharging

258
202/263

Smoke escapes

140
202/264

Foam control

25
202/267.1

Materials of construction

191
202/267.2

Corrugated walls

14
202/254

Offtakes

47
202/260

Cooled

9
202/255

Dip pipes and mains

15
202/256

Valved

15
202/259

Jacketed

7
202/257

Plural

7
202/261

Residue offtakes

22
202/258

Valved

17
202/82

Systems

22
202/91

Autothermic

8
202/93

Closed kiln

21
202/95

With residue quencher or cooler

15
202/94

With steam generator

4
202/92

Open kiln

1
202/83

Portably mounted

73
202/84

Separatory and thermolytic

24
202/152

Separatory

22
202/158

Column

409
202/160

Automatic temperature and/or pressure control

230
202/161

Partial reflux condenser

47
202/162

Vapor-element by-pass

14
202/159

With preheater

30
202/153

Still and column

88
202/154

Plural columns

103
202/155

Plural stills

88
202/156

Parallel

13
202/163

Still

21
202/206

Automatic heat control

156
202/172

Plural

108
202/173

Series

133
202/174

Multiple effect

108
202/164

Recovery from containers

12
202/168

Still and extractor

31
202/169

Continuous extraction

43
202/167

Still and feed-water heater

21
202/166

Still and stand boiler

10
202/165

Still and stove

4
202/170

Still extractor

101
202/205

Vacuum

323
202/175

With agitator

77
202/202

With condensate-treating devices

170
202/203

Aeration

20
202/204

Decanter

35
202/176

With distilland treating devices

273
202/181

Level control

172
202/177

Preheater

112
202/180

Condensing

123
202/179

Dephlegmating

10
202/178

Straining

6
202/182

With vapor-treating devices

202
202/201

Aerator

14
202/185.1

Condenser

132
202/185.3

Air condensers

97
202/185.4

Circulating coolant in cap or top closure

22
202/187

Concentric with still

38
202/185.2

Direct contact

61
202/185.6

Helical coil for coolant

44
202/185.5

Helical coil for vapor stream

53
202/186

Plural

102
202/195

Still feeding

11
202/196

Distilland-level control

34
202/189

Still supported

34
202/190

Cap (or closure)

27
202/191

Jacketed

5
202/192

Still feeding

3
202/193

Distilland-level control

25
202/194

Still feeding

7
202/188

Still supporting

19
202/198

Dephlegmator

26
202/199

Doubler

4
202/200

Filter

63
202/183

Still and absorber

35
202/184

Still absorber

16
202/197

With separator

187
202/85

Thermolytic and autothermic

16
202/88

Kiln and directly heated chamber

8
202/90

Chamber externally heated

5
202/89

Interchangeable

4
202/86

Retort and kiln

4
202/87

Retort heated by combustion

7
202/96

Thermolytic

55
202/99

Directly heated chamber

112
202/100

Rotary chamber

60
202/101

Dome ovens

0
202/102

Hearths

7
202/103

Distilland transferring

7
202/104

Vertical series

7
202/105

Retort

42
202/151

Combustion control devices

49
202/117

Conveying

122
202/119

Reciprocating

9
202/118

Screw

118
202/133

Horizontal

19
202/147

Gas bench

0
202/149

With fluid injection

0
202/148

With recuperator

1
202/135

Plural gas and/or air admission

13
202/136

Rotary

57
202/138

With flues

13
202/145

Horizontal

3
202/146

With regenerators

2
202/139

Vertical

32
202/140

With recuperators

6
202/141

With reversible regenerators

29
202/142

Alternatively poor and/or rich gas fuel

23
202/144

Regenerators reversing across the system

12
202/143

Regenerators reversing along the system

8
202/134

With fluid injection to retort

13
202/137

With heating chamber

21
202/128

Inclined

17
202/132

Gas bench

0
202/131

Rotary

44
202/129

With fluid injection

10
202/130

With regenerator or recuperator

1
202/113

Plural

33
202/115

Annularly arranged

4
202/114

Common heating furnace

6
202/116

Vertical and horizontal or inclined

10
202/150

Preheating

32
202/120

Vertical

27
202/121

With fluid injection

49
202/124

With heating chamber

19
202/125

Alternate reverse flow flues

4
202/127

Circumvallate flues

6
202/126

Vertical flues

14
202/122

With recuperator

3
202/123

With regenerator

2
202/109

With cyclic volatile circulation

16
202/107

With digester

0
202/108

With direct heating

41
202/110

With distilland pressure

11
202/112

With distillate fixing chamber

5
202/111

With recuperators and regenerators

6
202/106

With steam generation

17
202/97

Stalls

8
202/98

Tunnels

5
 

Types

 
 

Autothermic

 
202/215

Directly heated chamber

30
202/216

Rotary

48
202/210

Heap

4
202/211

Kiln

18
202/212

Arched

6
202/214

Bottom discharge

5
202/213

Partable and/or knockdown

2
202/227

Quencher

109
202/230

Conveyer type

37
202/228

Gas or vapor circulating

87
202/229

Submersible chamber

12
202/217

Retort

12
202/220

Flued

9
202/219

Molten bath

21
202/226

Residue treatment

21
202/218

Rotary and/or tilting

34
202/222

Structural features

28
202/225

Cores

0
202/224

Shields

5
202/223

Wall

21
202/221

Vertical

22
 

Separatory and thermolytic

 
202/208

Directly heated chamber

18
202/209

Still retort

8
202/207

Stump stills

0
 

Separatory

 
202/232

Still

2
202/233

Directly and indirectly heated

44
202/234

Directly heated

290
202/235

Indirectly heated

125
202/238

Rotary and/or tiltable

85
202/236

Spray forming and filming

247
202/237

Tubular

99
202/DIG.1

Scale problems digest

7
 
 
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