| E01B |
Permanent waypermanent-way toolsmachines for making railways of all kinds |
| E01C |
Construction of, or surfaces for, roads, sports grounds, or the likemachines or auxiliary tools for construction or repair |
| E01D |
Bridges |
| E01F |
Additional work, such as equipping roads or the construction of platforms, helicopter landing stages, signs, snow fences, or the like |
| E01H |
Street cleaningcleaning of permanent wayscleaning beachescleaning landdispersing fog in general |
| E02B |
Hydraulic engineering |
| E02C |
Ship-lifting devices or mechanisms |
| E02D |
Foundationsexcavationsembankmentsunderground or underwater structures |
| E02F |
Dredgingsoil-shifting |
| E03B |
Installations or methods for obtaining, collecting, or distributing water |
| E03C |
Domestic plumbing installations for fresh water or waste watersinks |
| E03D |
Water-closets or urinals with flushing devicesflushing valves therefor |
| E03F |
Sewerscesspools |
| E04B |
General building constructionswalls, e.g. partitionsroofsfloorsceilingsinsulation or other protection of buildings |
| E04C |
Structural elementsbuilding materials |
| E04D |
Roof coveringssky-lightsguttersroof-working tools |
| E04F |
Finishing work on buildings, e.g. stairs, floors |
| E04G |
Scaffoldingformsshutteringbuilding implements or aids, or their usehandling building materials on the siterepairing, breaking-up or other work on existing buildings |
| E04H |
Buildings or like structures for particular purposesswimming or splash baths or poolsmastsfencingtents or canopies, in general |
| E05B |
Locksaccessories thereforhandcuffs |
| E05C |
Bolts or fastening devices for wings, specially for doors or windows |
| E05D |
Hinges or suspension devices for doors, windows or wings |
| E05F |
Devices for moving wings into open or closed positionchecks for wingswing fittings not otherwise provided for, concerned with the functioning of the wing |
| E05G |
Safes or strong-rooms for valuablesbank protection devicessafety transaction partitions |
| E06B |
Fixed or movable closures for openings in buildings, vehicles, fences, or like enclosures, in general, e.g. doors, windows, blinds, gates |
| E06C |
Ladders |
| E21B |
Earth or rock drillingobtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells |
| E21C |
Mining or quarrying |
| E21D |
Shaftstunnelsgallerieslarge underground chambers |
| E21F |
Safety devices, transport, filling-up, rescue, ventilation, or drainage in or of mines or tunnels |
| E99Z |
Subject matter not otherwise provided for in this section |