Canadian Patent Classifications

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Class 319 Electro-chemical cells
cpcdescription
319/1(1) Fuel Cells
319/2(1) Fuel Cells (2) Systems
319/3(1) Fuel Cells (2) Systems (3) Thermo-Chemical Reaction
319/4(1) Fuel Cells (2) Systems (4) Combined With Production of Chemicals
319/5(1) Fuel Cells (2) Systems (5) Ancillary Devices
319/6(1) Fuel Cells (2) Systems (5) Ancillary Devices (6) Controls
319/7(1) Fuel Cells (2) Systems (5) Ancillary Devices (7) Purging and/or By-Product Removal
319/8(1) Fuel Cells (8) Assembly
319/9(1) Fuel Cells (8) Assembly (9) Combined Cells
319/10(1) Fuel Cells (8) Assembly (10) Manifold or Feeding Means for Fuel, Oxidant or Electrolyte
319/11(1) Fuel Cells (11) Biological
319/12(1) Fuel Cells (12) Diaphragms, Electrolyte Supports, Ion Exchange Membranes
319/13(1) Fuel Cells (13) Electrolytes
319/14(1) Fuel Cells (13) Electrolytes (14) Solid (including Pastes)
319/15(1) Fuel Cells (15) Current Collectors (Electrodes)
319/16(1) Fuel Cells (15) Current Collectors (Electrodes) (16) Composite Base
319/17(1) Fuel Cells (15) Current Collectors (Electrodes) (17) Metal or Metal alloy Base
319/18(1) Fuel Cells (15) Current Collectors (Electrodes) (17) Metal or Metal alloy Base (18) Nickel containing
319/19(1) Fuel Cells (15) Current Collectors (Electrodes) (19) Carbon Base
319/20(1) Fuel Cells (15) Current Collectors (Electrodes) (20) Unspecified Base (Coated or Impregnated)
319/21(1) Fuel Cells (15) Current Collectors (Electrodes) (21) Structure
319/22(1) Fuel Cells (15) Current Collectors (Electrodes) (21) Structure (22) Composite Layers
319/23(23) Fuels, Catalysts And Oxidants
319/24(24) Hybrid Cells
319/25(1) Fuel Cells (15) Curren
319/26(1) Fuel Cells (15) Current Collectors (Electrodes) (26) Addition of an External Constituent Required
319/27(25) Deferred Action Cells (27) Case or Electrode Movement
319/28(25) Deferred Action Cells (28) Heat Activated
319/29(25) Deferred Action Cells (29) Electrolyte Added by Pressure or Vacuum
319/30(25) Deferred Action Cells (30) Destructible Electrolyte Container
319/31(25) Deferred Action Cells (30) Destructible Electrolyte Container (31) Inertia or Acceleration
319/32(32) Cells
319/33(32) Cells (33) With Specific Electrodes and Electrolyte
319/34(32) Cells (33) With Specific Electrodes and Electrolyte (34) Organic Electrolyte or Organic Additive
319/35(32) Cells (33) With Specific Electrodes and Electrolyte (35) Inorganic Electrolyte
319/36(32) Cells (36) One Specific Electrode and Electrolyte
319/37(32) Cells (37) With Specific Electrodes
319/38(32) Cells (38) With Spill Prevention
319/39(32) Cells (39) Sealed
319/40(32) Cells (40) Stacked
319/41(32) Cells (40) Stacked (41) Plastic Enclosed
319/42(32) Cells (40) Stacked (42) Interconnected
319/43(32) Cells (43) Interconnected
319/44(32) Cells (44) Integrated Assembly
319/45(32) Cells (45) Gas Pressure Control
319/46(32) Cells (45) Gas Pressure Control (46) By Amount of Composition of Constituents
319/47(32) Cells (45) Gas Pressure Control (47) By Gas Space
319/48(32) Cells (45) Gas Pressure Control (48) By Vent
319/49(32) Cells (49) Diaphragms
319/50(32) Cells (49) Diaphragms (50) Ion Exchange Membranes
319/51(32) Cells (49) Diaphragms (51) Active Material Supports and Electrode Wrappers
319/52(32) Cells (49) Diaphragms (52) Electrolyte Supports
319/53(32) Cells (49) Diaphragms (53) Container Liners and Compression Members
319/54(32) Cells (49) Diaphragms (54) Structure
319/55(32) Cells (49) Diaphragms (54) Structure (55) Layered
319/56(32) Cells (49) Diaphragms (54) Structure (56) Ribbed
319/57(32) Cells (49) Diaphragms (54) Structure (56) Ribbed (57) Wood, Cellulose or Derivative
319/58(32) Cells (49) Diaphragms (54) Structure (58) Fibrous
319/59(32) Cells (49) Diaphragms (54) Structure (58) Fibrous (59) Wood, Cellulose or Derivative
319/60(32) Cells (49) Diaphragms (60) Of Specific Material
319/61(32) Cells (49) Diaphragms (60) Of Specific Material (61) Wood
319/62(32) Cells (49) Diaphragms (60) Of Specific Material (62) Cellulose or Derivative
319/63(32) Cells (49) Diaphragms (60) Of Specific Material (63) Resin
319/64(32) Cells (64) Electrolytes
319/65(32) Cells (64) Electrolytes (65) Organic or Organic Additive
319/66(32) Cells (64) Electrolytes (65) Organic or Organic Additive (66) Natural Substances (e.g., Sugar, Starch, Protein)
319/67(32) Cells (64) Electrolytes (67) Halogen Containing
319/68(32) Cells (64) Electrolytes (67) Halogen Containing (68) Halide
319/69(32) Cells (64) Electrolytes (69) Compounds
319/70(32) Cells (64) Electrolytes (69) Compounds (70) Acid Containing
319/71(32) Cells (71) Electrodes
319/72(32) Cells (71) Electrodes (72) Bipolar
319/73(32) Cells (71) Electrodes (73) With Specific Active Material
319/74(32) Cells (71) Electrodes (73) With Specific Active Material (74) Coated on Fibre or Filament
319/75(32) Cells (71) Electrodes (73) With Specific Active Material (75) Organic
319/76(32) Cells (71) Electrodes (73) With Specific Active Material (75) Organic (76) Vegetable or Animal Product
319/77(32) Cells (71) Electrodes (73) With Specific Active Material (75) Organic (76) Vegetable or Animal Product (77) Cellulose or Derivative
319/78(32) Cells (71) Electrodes (73) With Specific Active Material (75) Organic (78) Lead or Lead Compound Containing
319/79(32) Cells (71) Electrodes (73) With Specific Active Material (79) Lead or Lead Compound Containing
319/80(32) Cells (71) Electrodes (73) With Specific Active Material (80) Chemical Compound(s)
319/81(32) Cells (71) Electrodes (73) With Specific Active Material (80) Chemical Compound(s) (81) Oxide(s)
319/82(32) Cells (71) Electrodes (73) With Specific Active Material (82) Chemical Element(s) and Compound(s)
319/83(32) Cells (71) Electrodes (73) With Specific Active Material (83) Chemical Element(s)
319/84(32) Cells (71) Electrodes (84) With Current Collectors
319/85(32) Cells (71) Electrodes (84) With Current Collectors (85) Grid
319/86(32) Cells (71) Electrodes (84) With Current Collectors (85) Grid (86) Composition
319/87(32) Cells (71) Electrodes (84) With Current Collectors (85) Grid (86) Composition (87) Lead containing
319/88(32) Cells (71) Electrodes (84) With Current Collectors (85) Grid (88) Diagonal Member(s)
319/89(32) Cells (71) Electrodes (89) Pasted Grid or Plate
319/90(32) Cells (71) Electrodes (90) Coated
319/91(32) Cells (71) Electrodes (90) Coated (91) Organic Coating
319/92(32) Cells (71) Electrodes (90) Coated (92) Inorganic Coating
319/93(32) Cells (71) Electrodes (93) Structure
319/94(32) Cells (71) Electrodes (93) Structure (94) Expansion Means
319/95(32) Cells (71) Electrodes (93) Structure (95) Wrapped
319/96(32) Cells (71) Electrodes (93) Structure (95) Wrapped (96) Tube Type
319/97(32) Cells (71) Electrodes (93) Structure (95) Wrapped (96) Tube Type (97) Fibrous Envelope
319/98(32) Cells (71) Electrodes (93) Structure (95) Wrapped (98) Fibre, Screen or Wire
319/99(32) Cells (71) Electrodes (93) Structure (99) Perforated Plate
319/100(32) Cells (71) Electrodes (93) Structure (100) Container or Cup Shaped
319/101(32) Cells (71) Electrodes (93) Structure (101) Porous
319/102(32) Cells (71) Electrodes (93) Structure (101) Porous (102) Sintered
319/103(32) Cells (71) Electrodes (93) Structure (103) Specific Shape
319/104(32) Cells (71) Electrodes (93) Structure (103) Specific Shape (104) Spiral or Helix
319/105(32) Cells (71) Electrodes (93) Structure (105) Supports
319/106(32) Cells (106) Containers
319/107(32) Cells (106) Containers (107) Of Specific Material
319/108(32) Cells (106) Containers (108) For Plate or Grid Type Cells
319/109(32) Cells (109) Seals
319/110(32) Cells (109) Seals (110) Terminal
319/111(32) Cells (109) Seals (111) Intercell Connector
319/112(32) Cells (112) Covers
319/113(32) Cells (113) Connectors and Conductors
319/114(32) Cells (113) Connectors and Conductors (114) For Plate or Grid Type Cells
319/115(32) Cells (113) Connectors and Conductors (115) Intercell
319/116(32) Cells (116) Terminals
319/117(32) Cells (117) Protectors and Anti-Corrosion Devices
319/118(32) Cells (118) Testing and Indicating
319/119(32) Cells (119) Handles
319/120(32) Cells (120) Filling and Venting
319/121(32) Cells (120) Filling and Venting (121) Electrolyte Filling and Level Control
319/122(32) Cells (120) Filling and Venting (122) Vents
319/123(32) Cells (120) Filling and Venting (122) Vents (123) Valve Type
319/124(32) Cells (124) Charge Maintenance
319/125(32) Cells (125) Holding Devices
319/126(32) Cells (126) Storage and/or Carrying Cases
319/127(127) Miscellaneous

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