Canadian Patent Classifications

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

Other classification systems