Canadian Patent Classes

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Class 92 Papermaking and fibre liberation
cpcdescription
92/1(1) Finishing
92/2(1) Finishing (2) Wrinkling
92/3(1) Finishing (3) Flexibility Imparting
92/4(1) Finishing (4) Calendars
92/5(1) Finishing (4) Calendars (5) Doctors and Guides
92/6(1) Finishing (4) Calendars (6) Pressure Regulators
92/7(7) Forming
92/8(7) Forming (8) Winding
92/9(7) Forming (8) Winding (9) Sheet and Board Forming
92/10(7) Forming (10) Web
92/10.1(7) Forming (10) Web (10.1) Special Work
92/11(7) Forming (10) Web (11) With Non-Cellulose Additives
92/11.1(7) Forming (10) Web (11) With Non-Cellulose Additives (11.1) Bonding or Reinforcing
92/11.2(7) Forming (10) Web (11) With Non-Cellulose Additives (11.2) Surface Treating or Impregnating
92/12(7) Forming (10) Web (12) Perforated or Patterned
92/13(7) Forming (10) Web (13) Cylinder Machines
92/13.1(7) Forming (10) Web (13) Cylinder Machines (13.1) Multiple Cylinder
92/13.2(7) Forming (10) Web (13) Cylinder Machines (13.2) Pulp Feed or Water Outlet Control
92/13.3(7) Forming (10) Web (13) Cylinder Machines (13.3) Cylinders Per Se
92/14(7) Forming (10) Web (14) Endless Screen Belt Machines
92/14.1(7) Forming (10) Web (14) Endless Screen Belt Machines (14.1) Multiple Belts
92/14.2(7) Forming (10) Web (14) Endless Screen Belt Machines (14.1) Multiple Belts (14.2) Vertical
92/15(7) Forming (10) Web (14) Endless Screen Belt Machines (15) Fourdrinier Machines
92/15.1(7) Forming (10) Web (14) Endless Screen Belt Machines (15) Fourdrinier Machines (15.1) With Elevating or Tilting Means
92/15.2(7) Forming (10) Web (14) Endless Screen Belt Machines (15) Fourdrinier Machines (15.2) Wire Tensioning Means
92/15.3(7) Forming (10) Web (14) Endless Screen Belt Machines (15) Fourdrinier Machines (15.3) Water Removal
92/15.4(7) Forming (10) Web (14) Endless Screen Belt Machines (15) Fourdrinier Machines (15.3) Water Removal (15.4) Foils
92/15.5(7) Forming (10) Web (14) Endless Screen Belt Machines (15) Fourdrinier Machines (15.3) Water Removal (15.5) Suction Means
92/15.6(7) Forming (10) Web (14) Endless Screen Belt Machines (15) Fourdrinier Machines (15.6) Screen Mounting or Removal
92/16(7) Forming (10) Web (14) Endless Screen Belt Machines (16) Shake Frames
92/17(7) Forming (10) Web (14) Endless Screen Belt Machines (15) Fourdrinier Machin
92/17.1(7) Forming (10) Web (14) Endless Screen Belt Machines (15) Fourdrinier Machines (15.6) Screen Mounting or Removal (17.1) Head Boxes
92/17.2(7) Forming (10) Web (14) Endless Screen Belt Machines (15) Fourdrinier Machines (15.6) Screen Mounting or Removal (17.1) Head Boxes (17.2) Delivery Control
92/17.3(7) Forming (10) Web (14) Endless Screen Belt Machines (15) Fourdrinier Machines (15.6) Screen Mounting or Removal (17.1) Head Boxes (17.2) Delivery Control (17.3) Flow Rectifiers
92/17.4(7) Forming (10) Web (14) Endless Screen Belt Machines (15) Fourdrinier Machines (15.6) Screen Mounting or Removal (17.1) Head Boxes (17.2) Delivery Control (17.3) Flow Rectifiers (17.4) With Rotary Member
92/17.5(7) Forming (10) Web (14) Endless Screen Belt Machines (15) Fourdrinier Machines (15.6) Screen Mounting or Removal (17.1) Head Boxes (17.2) Delivery Control (17.5) Slices
92/17.6(7) Forming (10) Web (14) Endless Screen Belt Machines (15) Fourdrinier Machines (15.6) Screen Mounting or Removal (17.1) Head Boxes (17.2) Delivery Control (17.5) Slices (17.6) Flexible or Pivoted
92/17.7(7) Forming (10) Web (17.7) Wires, Screens or Belts
92/17.8(7) Forming (10) Web (17.7) Wires, Screens or Belts (17.8) Seams
92/18(7) Forming (10) Web (18) Feed Regulators
92/19(7) Forming (10) Web (19) Couch Rolls
92/20(7) Forming (10) Web (20) Dandy Rolls and Water Marking Devices
92/21(7) Forming (10) Web (21) Presses and Felts
92/21.1(7) Forming (10) Web (21) Presses and Felts (21.1) Pick Up End
92/21.2(7) Forming (10) Web (21) Presses and Felts (21.2) Heated
92/21.3(7) Forming (10) Web (21) Presses and Felts (21.3) Reverse Press
92/21.4(7) Forming (10) Web (21) Presses and Felts (21.4) Dual Press
92/21.5(7) Forming (10) Web (21) Presses and Felts (21.5) Rolls Per Se
92/21.6(7) Forming (10) Web (21) Presses and Felts (21.6) Felts Per Se
92/22(7) Forming (10) Web (22) Felt and Wire Cleaners
92/22.1(7) Forming (10) Web (22.1) Felt and Wire Guides
92/23(7) Forming (10) Web (23) Suction Boxes
92/24(7) Forming (10) Web (23) Suction Boxes (24) Cylindrical
92/25(7) Forming (10) Web (25) Attachments
92/26(7) Forming (26) Moulding
92/27(7) Forming (26) Moulding (27) By Submerging
92/27.1(7) Forming (26) Moulding (27) By Submerging (27.1) With Compressing
92/27.2(7) Forming (26) Moulding (27) By Submerging (27.1) With Compressing (27.2) Transfer or Discharge of Moulded Articles
92/27.3(7) Forming (26) Moulding (27) By Submerging (27.1) With Compressing (27.2) Transfer or Discharge of Moulded Articles (27.3) Using Endless Conveyor
92/27.4(7) Forming (26) Moulding (27) By Submerging (27.1) With Compressing (27.4) Drying of Moulded Articles
92/28(7) Forming (26) Moulding (28) Depositing in Moulds or Dies
92/28.1(7) Forming (26) Moulding (28) Depositing in Moulds or Dies (28.1) Using Mating Moulds or Dies
92/28.2(7) Forming (26) Moulding (28) Depositing in Moulds or Dies (28.2) Compound Moulds or Dies
92/29(7) Forming (26) Moulding (29) Submerged Foraminous Mould
92/30(7) Forming (26) Moulding (30) Centrifugal Action
92/31(7) Forming (26) Moulding (31) Compressors
92/32(7) Forming (26) Moulding (31) Compressors (32) Elastic Diaphragm
92/33(7) Forming (26) Moulding (31) Compressors (33) Sheet and Board Forming
92/34(34) Stuff Working
92/37(34) Stuff Working (37) Beating Engines
92/38(34) Stuff Working (37) Beating Engines (38) Screen attachment
92/39(34) Stuff Working (37) Beating Engines (39) Horizontal Course
92/40(34) Stuff Working (37) Beating Engines (40) Vertical Course
92/41(34) Stuff Working (41) Refining Engines
92/42(34) Stuff Working (41) Refining Engines (42) Cone and Shell
92/43(34) Stuff Working (41) Refining Engines (43) Opposed Disc
92/51(34) Stuff Working (51) Stuff Chests
92/52(52) Stock Treatment
92/53(52) Stock Treatment (53) Combined Grinding and Digesting
92/54(52) Stock Treatment (54) Mechanical Disintegration
92/55(52) Stock Treatment (54) Mechanical Disintegration (55) Wood Grinders
92/55.1(52) Stock Treatment (54) Mechanical Disintegration (55) Wood Grinders (55.1) Feeding
92/55.2(52) Stock Treatment (54) Mechanical Disintegration (55) Wood Grinders (55.1) Feeding (55.2) Endless Chain Type Feeders
92/55.3(52) Stock Treatment (54) Mechanical Disintegration (55) Wood Grinders (55.1) Feeding (55.3) Plunger Type Feeders
92/56(52) Stock Treatment (56) Digestive
92/57(52) Stock Treatment (56) Digestive (57) Systems
92/57.1(52) Stock Treatment (56) Digestive (57) Systems (57.1) Circulating
92/57.2(52) Stock Treatment (56) Digestive (57) Systems (57.2) Charging and Discharging
92/57.3(52) Stock Treatment (56) Digestive (57) Systems (57.3) With Generation, Supply or Recovery of Steam
92/57.4(52) Stock Treatment (56) Digestive (57.4) Structure of Shell Type Units
92/58(52) Stock Treatment (56) Digestive (57.4) Structure of Shell Type Units (58) Linings
92/59(52) Stock Treatment (56) Digestive (59) Continuous Digestion
92/60(52) Stock Treatment (56) Digestive (60) Pulp Washing
92/60.1(52) Stock Treatment (56) Digestive (60.1) Pulp Bleaching Apparatus
92/62(62) Products
92/63(62) Products (63) Synthetic or With Synthetic Additives
92/64(62) Products (64) Embossed, Ribbed or Corrugated
92/65(62) Products (65) Absorbent
92/66(62) Products (66) Wood Chips or Wafers