| E01B |
Permanent way; permanent-way tools; machines for making railways of all kinds |
| E01C |
Construction of, or surfaces for, roads, sports grounds, or the like; machines 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 cleaning; cleaning of permanent ways; cleaning beaches; cleaning land; dispersing fog in general |
| E02B |
Hydraulic engineering |
| E02C |
Ship-lifting devices or mechanisms |
| E02D |
Foundations; excavations; embankments; underground or underwater structures |
| E02F |
Dredging; soil-shifting |
| E03B |
Installations or methods for obtaining, collecting, or distributing water |
| E03C |
Domestic plumbing installations for fresh water or waste water; sinks |
| E03D |
Water-closets or urinals with flushing devices; flushing valves therefor |
| E03F |
Sewers; cesspools |
| E04B |
General building constructions; walls, e.g. partitions; roofs; floors; ceilings; insulation or other protection of buildings |
| E04C |
Structural elements; building materials |
| E04D |
Roof coverings; sky-lights; gutters; roof-working tools |
| E04F |
Finishing work on buildings, e.g. stairs, floors |
| E04G |
Scaffolding; forms; shuttering; building implements or aids, or their use; handling building materials on the site; repairing, breaking-up or other work on existing buildings |
| E04H |
Buildings or like structures for particular purposes; swimming or splash baths or pools; masts; fencing; tents or canopies, in general |
| E05B |
Locks; accessories therefor; handcuffs |
| 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 position; checks for wings; wing fittings not otherwise provided for, concerned with the functioning of the wing |
| E05G |
Safes or strong-rooms for valuables; bank protection devices; safety 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 drilling; obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells |
| E21C |
Mining or quarrying |
| E21D |
Shafts; tunnels; galleries; large 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 |
