| Canadian Patent Classes | |
|---|---|
| class | description |
| 1 | Nailing and stapling |
| 2 | Human necessities: wearing |
| 3 | Artificial body members |
| 4 | Baths, closets, sinks and spittoons |
| 5 | Beds |
| 6 | Compositions, coating and plastic |
| 7 | Compound tools |
| 8 | Bleaching and dyeing: fluid treatment and chemical modification of textiles and fibres |
| 9 | Papermaking chemistry |
| 10 | Screw, bolt, rivet, nail, nut and washer making and misc |
| 11 | Book binding |
| 12 | Boot and shoe making |
| 13 | Metal stock |
| 14 | Bridges |
| 15 | Brushing, scrubbing and general cleaning |
| 16 | Miscellaneous hardware |
| 17 | Slaughtering and carcass preparation |
| 18 | Plastics |
| 19 | Short fiber preparation |
| 20 | Building |
| 21 | Sterilizing or disinfecting |
| 22 | Metal founding |
| 23 | Chemistry |
| 24 | Fasteners |
| 25 | Cement or ceramic plastic shaping |
| 26 | Assembling and miscellaneous manufacturing |
| 27 | Undertaking |
| 28 | Textiles |
| 29 | Metal working |
| 30 | Cutting: hand tools and implements |
| 31 | Compositions |
| 32 | Coating apparatus |
| 33 | Geometrical instruments |
| 34 | Drying |
| 35 | Education |
| 36 | Boots, shoes and leggings |
| 37 | Land surface material pushing |
| 38 | Solid metal heat treating apparatus |
| 39 | Metallurgical apparatus |
| 40 | Information display devices |
| 41 | Forms and surface finishes - ornamental |
| 42 | Chemical and miscellaneous data reproduction |
| 43 | Fishing, trapping and vermin destroying |
| 44 | Fuel and igniting devices |
| 45 | Cooling systems-air conditioning |
| 46 | Amusement devices: toys |
| 47 | Plant husbandry |
| 48 | Gas mixtures and hydro-acetylene generation |
| 49 | Glass |
| 50 | Material handling: fluid proportioning systems |
| 51 | Abrading |
| 52 | Explosive compositions |
| 53 | Metallurgy |
| 54 | Harness |
| 55 | Scattered article recovery |
| 56 | Harvesters |
| 57 | Abrasive compositions and device making |
| 58 | Horology |
| 59 | Chains and making of chains, horse shoes and staples |
| 60 | Power plants |
| 61 | Water and earth control and subsurface construction |
| 62 | Cooling systems |
| 63 | Jewelry and bracelets |
| 64 | Rotary shafting; rod or shaft couplings or joints |
| 65 | Cooking vessels, kitchen and table articles |
| 66 | Knitting |
| 67 | Igniting, signalling or illuminating burners |
| 68 | Fluid treatment of textiles |
| 69 | Leather manufacture |
| 70 | Security type key or combination controlled devices |
| 71 | Plant growth regulation chemistry |
| 72 | Building: masonry and concrete structures |
| 73 | Measuring |
| 74 | Machine elements and mechanisms |
| 75 | Metal compositions and powder metallurgy |
| 76 | Making of shaping, handling and driving tools |
| 77 | Boring and drilling |
| 78 | Metal forging and welding |
| 79 | Gyroscopes |
| 80 | Metal rolling |
| 81 | Hand tools: deforming, gripping and torque applying |
| 82 | Turning |
| 83 | Dentistry |
| 84 | Sound producing instruments |
| 85 | Driven, headed and screw threaded fasteners |
| 86 | Making of arms and explosive charges |
| 87 | Textiles, braiding, netting and lace making |
| 88 | Optics |
| 89 | Ordnance |
| 90 | Milling and planing |
| 91 | Fences and gates |
| 92 | Papermaking and fibre liberation |
| 93 | Article manufacture from sheet or tubular material |
| 94 | Roads and pathways |
| 95 | Photography |
| 96 | Light imaging |
| 97 | Earth working: agricultural |
| 98 | Ventilation |
| 99 | Foods and non-alcoholic beverages |
| 100 | Presses |
| 101 | Printing |
| 102 | Ammunition or explosives |
| 103 | Liquid pumps |
| 104 | Transportation vehicles and associated structures |
| 105 | Railway rolling stock |
| 106 | Bee culture |
| 107 | Bread, pastry and confection making |
| 108 | Building: doors, windows and associated structure |
| 109 | Safes, bank protection and related devices |
| 110 | Furnaces |
| 111 | Planting |
| 112 | Sewing |
| 113 | Sheet metal product making |
| 114 | Propelled and buoyant marine structures |
| 115 | Marine propulsion |
| 116 | Signals and indicators |
| 117 | Coating: process and miscellaneous products |
| 118 | Twisting |
| 119 | Care of live stock |
| 120 | Stationery |
| 121 | Static pressure combined gas motors, gas distributors and automatic speed regulators |
| 122 | Liquid heaters and vaporizers |
| 123 | Internal combustion engines |
| 124 | Projectile impelling devices: non-explosive type |
| 126 | Heating devices |
| 128 | Medical |
| 129 | Papers files and binders |
| 130 | Plant component separation |
| 131 | Tobacco |
| 132 | Hair, nail and skin care |
| 133 | Coin, token and currency actuated devices |
| 134 | Colloids, cleaners and related compositions |
| 135 | Tents, canopies, umbrellas and canes |
| 137 | Material handling: fluids |
| 138 | Hydraulic power |
| 139 | Weaving |
| 140 | Wire working |
| 141 | Washing |
| 142 | Mechanical control linkage and lever systems |
| 143 | Sawing |
| 144 | Woodworking |
| 145 | Woodworking tools |
| 146 | Forage and food cutting and comminuting |
| 147 | Wooden container making |
| 148 | Metal treatment |
| 149 | Etching |
| 150 | Chemical measuring, testing and indicating |
| 152 | Spring wheels and tires |
| 153 | Metal bending |
| 154 | Laminating |
| 155 | Chairs and seats |
| 156 | Packaging with container forming |
| 157 | Wheelwright machines |
| 158 | Liquid and gaseous fuel burners |
| 159 | Ironing and smoothing |
| 160 | Building: closures and panels, flexible |
| 161 | Concentrating evaporators and crystallizers |
| 162 | Gases-cold processing |
| 163 | Needle and pin making |
| 164 | Cutting |
| 165 | Gas/liquid contact |
| 166 | Wells, fluid recovery |
| 167 | Poisons, medicines and cosmetics |
| 168 | Farriery |
| 170 | Elastic fluid current motors and axial flow machines |
| 171 | Internal combustion engine structure |
| 172 | Internal combustion exhaust treatment and noise attenuating conveyors |
| 178 | Communication systems, general |
| 179 | Sound and audio systems |
| 180 | Motor vehicles |
| 181 | Acoustics and sound recording and reproduction |
| 182 | Liquid separation or purification |
| 183 | Gas separation |
| 184 | Lubrication |
| 185 | Mechanical motors |
| 186 | Material and article handling: article storage and retrieval |
| 187 | Elevators |
| 188 | Brakes |
| 189 | Pipes and tubular conduits |
| 190 | Containers |
| 192 | Mechanical clutches |
| 193 | Conveyors: chutes and rollerways |
| 195 | Microbiochemistry |
| 196 | Mineral oils |
| 197 | Typewriters and teleprinters |
| 198 | Material and article handling: conveyors |
| 199 | Type of setting |
| 200 | Dairy |
| 201 | Material and article handling |
| 202 | Distillation |
| 203 | Material and article handling: distribution systems |
| 204 | Chemistry, electrical and wave energy |
| 205 | Metal drawing and extruding |
| 206 | Containers: removable closures |
| 207 | Coating implements |
| 209 | Classifying, separating and assorting solids |
| 210 | Dispensing |
| 211 | Supports, racks |
| 212 | Material or article handling: crane hoists and draglines |
| 213 | Railway draft appliances |
| 214 | Material and article handling: mobile handlers |
| 215 | Luggage, handbags and wallets |
| 216 | Label or strip affixing and paper hanging |
| 217 | Containers: special |
| 218 | Setting of rivet, eyelet and button fasteners |
| 219 | Strip material and joined article dispensing |
| 220 | Containers, bags or sacks, envelopes and wrappers |
| 221 | Article dispensing |
| 222 | Fluent material dispensing |
| 223 | Apparel apparatus |
| 224 | Carriers: body attached or carried or vehicle attached |
| 225 | Selective cutting |
| 226 | Filling and closing portable receptacles |
| 227 | Fire escapes and safety harness |
| 228 | Ladders |
| 229 | Containers: folded from blanks |
| 230 | Air and gas pumps |
| 232 | Deposit and collection receptacles |
| 233 | Centrifugal separators |
| 234 | Recording |
| 235 | Data processing |
| 236 | Thermostatic valves, valve operators and thermostatic elements |
| 237 | Heating systems |
| 238 | Railroads: trackway elements |
| 239 | Severing by tearing or breaking |
| 240 | Illuminating and light signalling devices |
| 241 | Grain treatment and solid material comminution or disintegration |
| 242 | Winding and reeling |
| 243 | Conveyors - pneumatic dispatch |
| 244 | Aeronautics |
| 248 | Supports |
| 249 | Automatic weighers |
| 251 | Valves and valve actuation |
| 252 | Catalysts, sorbents, cross-linkers; compositions and art |
| 253 | Lubricating and hydraulic fluid compositions |
| 254 | Pushing and pulling |
| 255 | Earth and rock boring |
| 257 | Heat exchange |
| 258 | Article transfer to or from moving land or rail vehicles |
| 259 | Agitating |
| 260 | Chemistry, carbon compounds |
| 261 | Ceramic or inorganic settable ingredient containing compositions |
| 262 | Continuous bulk material recovery |
| 265 | Weighing scales |
| 267 | Spring devices, energy absorbers and vibration dampers |
| 268 | Closure operators |
| 269 | Workholders |
| 270 | Article stacking, feeding and transferring |
| 271 | Web feeding and web and sheet associating and folding |
| 272 | Amusement devices |
| 273 | Athletics |
| 275 | Scattering unloaders |
| 277 | Seals and packings |
| 278 | Land vehicles, animal draft appliances |
| 280 | Land vehicles |
| 281 | Books, strips, sheets |
| 282 | Manifolding |
| 283 | Printed matter |
| 284 | Valved pipe joints or couplings |
| 285 | Pipe joints or couplings |
| 289 | Tying cords or strands |
| 291 | Track sanders |
| 292 | Closure fasteners |
| 293 | Vehicle fenders |
| 294 | Lifting and manipulating implements |
| 295 | Railway wheel and axles |
| 296 | Land vehicles: body structure |
| 298 | Land vehicles: dumping |
| 299 | Fluid dispersing |
| 300 | Brush, broom and mop making |
| 301 | Land vehicles, wheel and axles |
| 302 | Conveyors: fluid current |
| 303 | Fluid pressure brake system |
| 304 | Supports, scaffolds |
| 305 | Land vehicles: non-wheel supported |
| 306 | Electricity, circuit makers and breakers |
| 307 | Electric melting furnaces |
| 308 | Bearings |
| 309 | Electric heating devices |
| 310 | Electrical generator or motor structure |
| 311 | Supports, tables |
| 312 | Supports, cabinet structure |
| 313 | Electric lamp and discharge devices |
| 314 | Electrical recording and electrophotography |
| 315 | Electrical light producing systems |
| 316 | Electric lamps and discharge devices, manufacturing, repairing and testing |
| 318 | Electrical control or supply circuits for electric motors |
| 319 | Electro-chemical cells |
| 320 | Electricity, battery and condenser charging and discharging |
| 321 | Electrical conversion systems |
| 322 | Electricity, generator systems |
| 323 | Electrical power modifying systems |
| 324 | Electricity, measuring and testing |
| 325 | Modulated carrier wave communication systems |
| 326 | Electricity, pathalogical treatment |
| 327 | Electric heating |
| 328 | Miscellaneous signal processing and wave generation |
| 329 | Demodulators and detectors |
| 330 | Amplifiers |
| 331 | Free running oscillators |
| 332 | Wave modulators |
| 333 | Wave transmission systems and devices |
| 334 | Capacitors |
| 335 | Electricity, transmission to vehicles |
| 336 | Inductor devices |
| 337 | Electrical conductors and insulators |
| 338 | Resistor assemblies |
| 339 | Electrical connectors |
| 340 | Communications, electrical |
| 341 | Closed-loop condition responsive operating systems, electrical |
| 342 | Open-loop operating systems, electrical |
| 343 | Radar and navigation systems, electrical |
| 344 | Communications, path selection systems |
| 345 | Electrical optical devices |
| 346 | Railway switches and signals |
| 347 | Electrical enclosures, supports and assemblies |
| 348 | Electrical circuit making and breaking systems |
| 349 | Compressional wave communications |
| 350 | Communications, facsimile by remote electrical transmission |
| 351 | Antennas and antenna systems |
| 352 | Information storage |
| 353 | Discharge device: wave transmission systems |
| 354 | Information processing and computing systems |
| 355 | Control or supply circuits for discharge devices |
| 356 | Solid state devices |
| 358 | Radiant energy systems and devices |
| 359 | Nuclear reactions and systems |
| 360 | Bed, chair and seat springs, matresses and cushions |
| 361 | Foam separation |
| 362 | Chemical purification or separation of liquids |
| 363 | Multiplex communication systems |
| 364 | Electrical control, supply or signalling systems for cable type hoisting or elevating apparatus |
| 365 | Tuners and tuner systems |
| 375 | Electrical display systems |
| 379 | Two-way telephone |
| 400 | Synthetic macromolecule compositions ii |
| 402 | Synthetic macromolecules |
| 403 | Synthetic macromolecule compositions |
| 530 | Peptides ; proteins |
| 999 | Miscellaneous patents |
Other classification systems