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Classification Resources
 
Class   162PAPER MAKING AND FIBER LIBERATION
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[List of Pre Grant Publications for class 162 subclass 1][List of Patents for class 162 subclass 1]1 PROCESSES OF CHEMICAL LIBERATION, RECOVERY OR PURIFICATION OF NATURAL CELLULOSE OR FIBROUS MATERIAL
 [List of Pre Grant Publications for class 162 subclass 2][List of Patents for class 162 subclass 2]2 Subclass 2 indent level is 1 Animal fibers
 [List of Pre Grant Publications for class 162 subclass 3][List of Patents for class 162 subclass 3]3 Subclass 3 indent level is 1 Mineral fibers
[List of Pre Grant Publications for class 162 subclass 4][List of Patents for class 162 subclass 4]4 Subclass 4 indent level is 1 Waste paper or textile waste
 [List of Pre Grant Publications for class 162 subclass 9][List of Patents for class 162 subclass 9]9 Subclass 9 indent level is 1 With chemical or physical modification of liberated fiber
[List of Pre Grant Publications for class 162 subclass 10][List of Patents for class 162 subclass 10]10 Subclass 10 indent level is 1 With non-fiber material added to product
 [List of Pre Grant Publications for class 162 subclass 13][List of Patents for class 162 subclass 13]13 Subclass 13 indent level is 1 With formation of web or article
[List of Pre Grant Publications for class 162 subclass 14][List of Patents for class 162 subclass 14]14 Subclass 14 indent level is 1 Including recovery of organic by-product
[List of Pre Grant Publications for class 162 subclass 17][List of Patents for class 162 subclass 17]17 Subclass 17 indent level is 1 Continuous chemical treatment or continuous charging or discharging
 [List of Pre Grant Publications for class 162 subclass 20][List of Patents for class 162 subclass 20]20 Subclass 20 indent level is 1 With decortication or mechanical preparation of textile fibers
[List of Pre Grant Publications for class 162 subclass 21][List of Patents for class 162 subclass 21]21 Subclass 21 indent level is 1 Defibration by projection or explosion
 [List of Pre Grant Publications for class 162 subclass 23][List of Patents for class 162 subclass 23]23 Subclass 23 indent level is 1 Mechanical defibration in the presence of heated gas or gas under pressure
[List of Pre Grant Publications for class 162 subclass 24][List of Patents for class 162 subclass 24]24 Subclass 24 indent level is 1 Chemical treatment after start or completion of mechanical defibration
 [List of Pre Grant Publications for class 162 subclass 26][List of Patents for class 162 subclass 26]26 Subclass 26 indent level is 1 Simultaneous mechanical defibration and chemical treatment
 [List of Pre Grant Publications for class 162 subclass 27][List of Patents for class 162 subclass 27]27 Subclass 27 indent level is 1 Mechanical defibration of logs or blocks after chemical treatment
 [List of Pre Grant Publications for class 162 subclass 28][List of Patents for class 162 subclass 28]28 Subclass 28 indent level is 1 With plural or specified mechanical defibering step
[List of Pre Grant Publications for class 162 subclass 29][List of Patents for class 162 subclass 29]29 Subclass 29 indent level is 1 With regeneration, reclamation, reuse, recycling or destruction of digestion fluid
 [List of Pre Grant Publications for class 162 subclass 47][List of Patents for class 162 subclass 47]47 Subclass 47 indent level is 1 With heat recovery
 [List of Pre Grant Publications for class 162 subclass 48][List of Patents for class 162 subclass 48]48 Subclass 48 indent level is 1 With cleaning, preserving or conditioning of apparatus
 [List of Pre Grant Publications for class 162 subclass 49][List of Patents for class 162 subclass 49]49 Subclass 49 indent level is 1 With testing, sampling or analyzing
 [List of Pre Grant Publications for class 162 subclass 50][List of Patents for class 162 subclass 50]50 Subclass 50 indent level is 1 Utilizing electrical or radiant energy
 [List of Pre Grant Publications for class 162 subclass 51][List of Patents for class 162 subclass 51]51 Subclass 51 indent level is 1 Digestion odor control
 [List of Pre Grant Publications for class 162 subclass 52][List of Patents for class 162 subclass 52]52 Subclass 52 indent level is 1 Charging and/or discharging fibrous material
 [List of Pre Grant Publications for class 162 subclass 53][List of Patents for class 162 subclass 53]53 Subclass 53 indent level is 1 Vacuum treatment
 [List of Pre Grant Publications for class 162 subclass 54][List of Patents for class 162 subclass 54]54 Subclass 54 indent level is 1 Freezing
 [List of Pre Grant Publications for class 162 subclass 55][List of Patents for class 162 subclass 55]55 Subclass 55 indent level is 1 With classifying, separating or screening of pulp (solids from solids)
 [List of Pre Grant Publications for class 162 subclass 56][List of Patents for class 162 subclass 56]56 Subclass 56 indent level is 1 With squeezing, compression, rubbing, kneading
[List of Pre Grant Publications for class 162 subclass 57][List of Patents for class 162 subclass 57]57 Subclass 57 indent level is 1 With agitation or forced circulation
 [List of Pre Grant Publications for class 162 subclass 60][List of Patents for class 162 subclass 60]60 Subclass 60 indent level is 1 With washing
[List of Pre Grant Publications for class 162 subclass 61][List of Patents for class 162 subclass 61]61 Subclass 61 indent level is 1 Regulatory
[List of Pre Grant Publications for class 162 subclass 63][List of Patents for class 162 subclass 63]63 Subclass 63 indent level is 1 Gas, vapor or mist contact
 [List of Pre Grant Publications for class 162 subclass 69][List of Patents for class 162 subclass 69]69 Subclass 69 indent level is 1 Non-continuous liquid phase
[List of Pre Grant Publications for class 162 subclass 70][List of Patents for class 162 subclass 70]70 Subclass 70 indent level is 1 Treatment with particular chemical
[List of Pre Grant Publications for class 162 subclass 91][List of Patents for class 162 subclass 91]91 Subclass 91 indent level is 1 Particular raw cellulosic materials
[List of Pre Grant Publications for class 162 subclass 100][List of Patents for class 162 subclass 100]100 PROCESSES AND PRODUCTS
 [List of Pre Grant Publications for class 162 subclass 101][List of Patents for class 162 subclass 101]101 Subclass 101 indent level is 1 Pore forming in situ (e.g., gas generation)
 [List of Pre Grant Publications for class 162 subclass 102][List of Patents for class 162 subclass 102]102 Subclass 102 indent level is 1 Utilizing non-aqueous suspending medium
[List of Pre Grant Publications for class 162 subclass 103][List of Patents for class 162 subclass 103]103 Subclass 103 indent level is 1 Including solid non-waterlaid preform
[List of Pre Grant Publications for class 162 subclass 109][List of Patents for class 162 subclass 109]109 Subclass 109 indent level is 1 Non-uniform, irregular or configured web or sheet
[List of Pre Grant Publications for class 162 subclass 118][List of Patents for class 162 subclass 118]118 Subclass 118 indent level is 1 With winding or roll forming
[List of Pre Grant Publications for class 162 subclass 123][List of Patents for class 162 subclass 123]123 Subclass 123 indent level is 1 Multi-layer waterlaid webs or sheets
 [List of Pre Grant Publications for class 162 subclass 134][List of Patents for class 162 subclass 134]134 Subclass 134 indent level is 1 With printing and/or variegated coloring
[List of Pre Grant Publications for class 162 subclass 135][List of Patents for class 162 subclass 135]135 Subclass 135 indent level is 1 With coating after drying
 [List of Pre Grant Publications for class 162 subclass 138][List of Patents for class 162 subclass 138]138 Subclass 138 indent level is 1 Electrical or magnetic product characteristic
 [List of Pre Grant Publications for class 162 subclass 139][List of Patents for class 162 subclass 139]139 Subclass 139 indent level is 1 Cigarette paper
 [List of Pre Grant Publications for class 162 subclass 140][List of Patents for class 162 subclass 140]140 Subclass 140 indent level is 1 Safety, identification and fraud preventing paper
[List of Pre Grant Publications for class 162 subclass 141][List of Patents for class 162 subclass 141]141 Subclass 141 indent level is 1 Plural fiber containing
 [List of Pre Grant Publications for class 162 subclass 150][List of Patents for class 162 subclass 150]150 Subclass 150 indent level is 1 Undigested cellulosic fiber
 [List of Pre Grant Publications for class 162 subclass 151][List of Patents for class 162 subclass 151]151 Subclass 151 indent level is 1 Animal or proteinaceous fiber
[List of Pre Grant Publications for class 162 subclass 152][List of Patents for class 162 subclass 152]152 Subclass 152 indent level is 1 Mineral fiber
[List of Pre Grant Publications for class 162 subclass 157.1][List of Patents for class 162 subclass 157.1]157.1 Subclass 157.1 indent level is 1 Synthetic fiber (including chemically modified cellulose)
[List of Pre Grant Publications for class 162 subclass 158][List of Patents for class 162 subclass 158]158 Subclass 158 indent level is 1 Non-fiber additive
 [List of Pre Grant Publications for class 162 subclass 187][List of Patents for class 162 subclass 187]187 Subclass 187 indent level is 1 Hydration and/or gelatinization
 [List of Pre Grant Publications for class 162 subclass 188][List of Patents for class 162 subclass 188]188 Subclass 188 indent level is 1 Non-uniform internal structure
[List of Pre Grant Publications for class 162 subclass 189][List of Patents for class 162 subclass 189]189 Subclass 189 indent level is 1 Reclamation, salvage or reuse of materials
 [List of Pre Grant Publications for class 162 subclass 192][List of Patents for class 162 subclass 192]192 Subclass 192 indent level is 1 Utilizing electrical or wave energy
 [List of Pre Grant Publications for class 162 subclass 193][List of Patents for class 162 subclass 193]193 Subclass 193 indent level is 1 Lead strip forming and/or guiding
[List of Pre Grant Publications for class 162 subclass 194][List of Patents for class 162 subclass 194]194 Subclass 194 indent level is 1 With cutting and/or slitting
 [List of Pre Grant Publications for class 162 subclass 196][List of Patents for class 162 subclass 196]196 Subclass 196 indent level is 1 With folding or twisting (e.g., roving)
 [List of Pre Grant Publications for class 162 subclass 197][List of Patents for class 162 subclass 197]197 Subclass 197 indent level is 1 With stretching, tensioning, decurling, flexing or breaking
 [List of Pre Grant Publications for class 162 subclass 198][List of Patents for class 162 subclass 198]198 Subclass 198 indent level is 1 With measuring, inspecting and/or testing
[List of Pre Grant Publications for class 162 subclass 199][List of Patents for class 162 subclass 199]199 Subclass 199 indent level is 1 Conditioning, preparing or repairing of apparatus
 [List of Pre Grant Publications for class 162 subclass 201][List of Patents for class 162 subclass 201]201 Subclass 201 indent level is 1 Combined processes
[List of Pre Grant Publications for class 162 subclass 202][List of Patents for class 162 subclass 202]202 Subclass 202 indent level is 1 Running or indefinite length work forming and/or treating processes (e.g., web)
[List of Pre Grant Publications for class 162 subclass 218][List of Patents for class 162 subclass 218]218 Subclass 218 indent level is 1 Article forming processes (pulp molding)
 [List of Pre Grant Publications for class 162 subclass 231][List of Patents for class 162 subclass 231]231 Subclass 231 indent level is 1 Articles
[List of Pre Grant Publications for class 162 subclass 232][List of Patents for class 162 subclass 232]232 APPARATUS
[List of Pre Grant Publications for class 162 subclass 233][List of Patents for class 162 subclass 233]233 Subclass 233 indent level is 1 Digester
[List of Pre Grant Publications for class 162 subclass 252][List of Patents for class 162 subclass 252]252 Subclass 252 indent level is 1 Automatic control
 [List of Pre Grant Publications for class 162 subclass 261][List of Patents for class 162 subclass 261]261 Subclass 261 indent level is 1 With beating, refining, and/or disintegrating means
 [List of Pre Grant Publications for class 162 subclass 262][List of Patents for class 162 subclass 262]262 Subclass 262 indent level is 1 Electric controls or systems
 [List of Pre Grant Publications for class 162 subclass 263][List of Patents for class 162 subclass 263]263 Subclass 263 indent level is 1 Measuring, testing, inspecting, indicating or illuminating
 [List of Pre Grant Publications for class 162 subclass 264][List of Patents for class 162 subclass 264]264 Subclass 264 indent level is 1 White water or broke recovery, recirculation or treatment
[List of Pre Grant Publications for class 162 subclass 265][List of Patents for class 162 subclass 265]265 Subclass 265 indent level is 1 With coating or impregnating means (including printing)
[List of Pre Grant Publications for class 162 subclass 267][List of Patents for class 162 subclass 267]267 Subclass 267 indent level is 1 Molding pulp and non-pulp insert or preform
 [List of Pre Grant Publications for class 162 subclass 269][List of Patents for class 162 subclass 269]269 Subclass 269 indent level is 1 With product stacking or piling means
[List of Pre Grant Publications for class 162 subclass 270][List of Patents for class 162 subclass 270]270 Subclass 270 indent level is 1 Flexing, bending, straightening or decurling means
[List of Pre Grant Publications for class 162 subclass 272][List of Patents for class 162 subclass 272]272 Subclass 272 indent level is 1 Apparatus repair, cleaning or conditioning
[List of Pre Grant Publications for class 162 subclass 280][List of Patents for class 162 subclass 280]280 Subclass 280 indent level is 1 Web creping or crinkling type
[List of Pre Grant Publications for class 162 subclass 283][List of Patents for class 162 subclass 283]283 Subclass 283 indent level is 1 With product winding or reeling means
 [List of Pre Grant Publications for class 162 subclass 286][List of Patents for class 162 subclass 286]286 Subclass 286 indent level is 1 With cutting, scoring, perforating or tearing
 [List of Pre Grant Publications for class 162 subclass 287][List of Patents for class 162 subclass 287]287 Subclass 287 indent level is 1 With folding, rolling or twisting means
 [List of Pre Grant Publications for class 162 subclass 288][List of Patents for class 162 subclass 288]288 Subclass 288 indent level is 1 Molding and burnishing means
[List of Pre Grant Publications for class 162 subclass 289][List of Patents for class 162 subclass 289]289 Subclass 289 indent level is 1 Running or indefinite length product forming and/or treating means
 [List of Pre Grant Publications for class 162 subclass 290][List of Patents for class 162 subclass 290]290 Subclass 290 indent level is 2 Molding and heat exchange means
 [List of Pre Grant Publications for class 162 subclass 291][List of Patents for class 162 subclass 291]291 Subclass 291 indent level is 2 Moving impermeable member applying stock to mold
 [List of Pre Grant Publications for class 162 subclass 292][List of Patents for class 162 subclass 292]292 Subclass 292 indent level is 2 Means flinging or projecting stock against mold
 [List of Pre Grant Publications for class 162 subclass 293][List of Patents for class 162 subclass 293]293 Subclass 293 indent level is 2 Product slides relative to molding surface (e.g., extrusion molding)
 [List of Pre Grant Publications for class 162 subclass 294][List of Patents for class 162 subclass 294]294 Subclass 294 indent level is 2 Mold intermittently moving relative to supply
 [List of Pre Grant Publications for class 162 subclass 295][List of Patents for class 162 subclass 295]295 Subclass 295 indent level is 2 Concave molding surface in longitudinal or transverse section
 [List of Pre Grant Publications for class 162 subclass 296][List of Patents for class 162 subclass 296]296 Subclass 296 indent level is 2 Irregular or configured molding surface (e.g., corrugated)
 [List of Pre Grant Publications for class 162 subclass 297][List of Patents for class 162 subclass 297]297 Subclass 297 indent level is 2 Pneumatic pressure or vacuum means acting directly on stock on mold surface
[List of Pre Grant Publications for class 162 subclass 298][List of Patents for class 162 subclass 298]298 Subclass 298 indent level is 2 Plural separate streams of stock applied to mold
[List of Pre Grant Publications for class 162 subclass 300][List of Patents for class 162 subclass 300]300 Subclass 300 indent level is 2 Plural molds or plural spaced areas of application on a single mold
 [List of Pre Grant Publications for class 162 subclass 305][List of Patents for class 162 subclass 305]305 Subclass 305 indent level is 2 Molds with subsequent separate pressing means
[List of Pre Grant Publications for class 162 subclass 306][List of Patents for class 162 subclass 306]306 Subclass 306 indent level is 2 Means removing web product from molding surface
[List of Pre Grant Publications for class 162 subclass 308][List of Patents for class 162 subclass 308]308 Subclass 308 indent level is 2 Means treating stock on molding surface
[List of Pre Grant Publications for class 162 subclass 315][List of Patents for class 162 subclass 315]315 Subclass 315 indent level is 2 Means directing stock into contact with molding surface
[List of Pre Grant Publications for class 162 subclass 348][List of Patents for class 162 subclass 348]348 Subclass 348 indent level is 2 Flexible endless band type mold (e.g., Fourdrinier)
 [List of Pre Grant Publications for class 162 subclass 357][List of Patents for class 162 subclass 357]357 Subclass 357 indent level is 2 Cylinder molds, per se
[List of Pre Grant Publications for class 162 subclass 358.1][List of Patents for class 162 subclass 358.1]358.1 Subclass 358.1 indent level is 2 Press and felt
[List of Pre Grant Publications for class 162 subclass 361][List of Patents for class 162 subclass 361]361 Subclass 361 indent level is 2 Solid means acting on formed web
[List of Pre Grant Publications for class 162 subclass 363][List of Patents for class 162 subclass 363]363 Subclass 363 indent level is 2 Suction devices
[List of Pre Grant Publications for class 162 subclass 375][List of Patents for class 162 subclass 375]375 Subclass 375 indent level is 1 With heat exchange means
 [List of Pre Grant Publications for class 162 subclass 380][List of Patents for class 162 subclass 380]380 Subclass 380 indent level is 1 Slurry supply conditioning or condition maintaining
 [List of Pre Grant Publications for class 162 subclass 381][List of Patents for class 162 subclass 381]381 Subclass 381 indent level is 1 Combined
[List of Pre Grant Publications for class 162 subclass 382][List of Patents for class 162 subclass 382]382 Subclass 382 indent level is 1 Foraminous forming mold for discrete articles (pulp molding)
[List of Pre Grant Publications for class 162 subclass 415][List of Patents for class 162 subclass 415]415 Subclass 415 indent level is 1 Compressor
 
CROSS-REFERENCE ART COLLECTIONS
 
 [List of Pre Grant Publications for class 162 subclass 900][List of Patents for class 162 subclass 900]900 PAPERMAKING PRESS FELTS
 [List of Pre Grant Publications for class 162 subclass 901][List of Patents for class 162 subclass 901]901 IMPERMEABLE BELTS FOR EXTENDED NIP PRESS
 [List of Pre Grant Publications for class 162 subclass 902][List of Patents for class 162 subclass 902]902 WOVEN FABRIC FOR PAPERMAKING DRIER SECTION
 [List of Pre Grant Publications for class 162 subclass 903][List of Patents for class 162 subclass 903]903 PAPER FORMING MEMBER (E.G., FOURDRINIER, SHEET FORMING MEMBER, ETC.)
 [List of Pre Grant Publications for class 162 subclass 904][List of Patents for class 162 subclass 904]904 WITH SPECIFIED SEAM STRUCTURE OF PAPERMAKING BELT
 
FOREIGN ART COLLECTIONS
 
      FOR000          CLASS-RELATED FOREIGN DOCUMENTS
 
DIGESTS
 
 [List of Pre Grant Publications for class 162 subclass DIG2][List of Patents for class 162 subclass DIG2] DIG2 CHIP SOAKING
 [List of Pre Grant Publications for class 162 subclass DIG3][List of Patents for class 162 subclass DIG3] DIG3 WETTING AGENT
 [List of Pre Grant Publications for class 162 subclass DIG4][List of Patents for class 162 subclass DIG4] DIG4 PITCH CONTROL
 [List of Pre Grant Publications for class 162 subclass DIG5][List of Patents for class 162 subclass DIG5] DIG5 ALPHA CELLULOSE
 [List of Pre Grant Publications for class 162 subclass DIG6][List of Patents for class 162 subclass DIG6] DIG6 MOISTURE AND BASIC WEIGHT
 [List of Pre Grant Publications for class 162 subclass DIG7][List of Patents for class 162 subclass DIG7] DIG7 WATER COLLECTORS (E.G., SAVE-ALLS)
 [List of Pre Grant Publications for class 162 subclass DIG8][List of Patents for class 162 subclass DIG8] DIG8 CHLORINE-CONTAINING LIQUID REGENERATION
[List of Pre Grant Publications for class 162 subclass DIG9][List of Patents for class 162 subclass DIG9] DIG9 USES FOR PAPER MAKING SLUDGE
 [List of Pre Grant Publications for class 162 subclass DIG12][List of Patents for class 162 subclass DIG12] DIG12 SEASONING