Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs (scaffolds, shutterings E04G; structures specially adapted for buildings for special purposes, general layout of buildings, e.g. modular co-ordination, E04H)

Child Classifications

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• E04B 1/0007 +1 CPC CPC only CPC only
• E04B 1/0023 CPC only CPC only
• E04B 1/003 +1 CPC CPC only CPC only
• E04B 1/0046 CPC only CPC only
• E04B 1/02 Structures consisting primarily of load-supporting, block-shaped, or slab-shaped elements (E04B1/32 - E04B1/36 take precedence) IPC+CPC Available in IPC and CPC
• E04B 1/16 Structures made from masses, e.g. of concrete, cast or similarly formed in situ with or without making use of additional elements, such as permanent forms, substructures to be coated with load-bearing material (E04B1/32 - E04B1/36 take precedence) +6 CPC IPC+CPC Available in IPC and CPC
• E04B 1/18 Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons (E04B1/32 - E04B1/36 take precedence; elongated load-supporting parts as elements, trusses, truss-like structures E04C3/00) +1 CPC IPC+CPC Available in IPC and CPC
• E04B 1/32 Arched structures; Vaulted structures; Folded structures ( vaulted roofs E04B7/08) +9 CPC IPC+CPC Available in IPC and CPC
• E04B 1/34 Extraordinary structures, e.g. with suspended or cantilever parts supported by masts or tower-like structures enclosing elevators or stairs; Features relating to the elastic stability (E04B1/342, E04B1/343, E04B1/348 take precedence; for floors E04B5/43; buildings for special purposes, e.g. withstanding earthquake, E04H) +3 CPC IPC+CPC Available in IPC and CPC
• E04B 1/342 Structures covering a large free area, whether open-sided or not, e.g. hangars, halls (roof trusses E04C3/00; non-structural features for specified purposes, see the relevant groups of E04H) IPC+CPC Available in IPC and CPC
• E04B 1/343 Structures characterised by movable, separable, or collapsible parts, e.g. for transport (movable roof parts E04B7/16; floatable buildings B63B; small prefabricated buildings, transportable as a whole, E04H1/12; small garages E04H6/02; tents or canopies, in general E04H15/00) +6 CPC IPC+CPC Available in IPC and CPC
• E04B 1/348 Structures composed of units comprising at least considerable parts of two sides of a room, e.g. box-like or cell-like units closed or in skeleton form +5 CPC IPC+CPC Available in IPC and CPC
• E04B 1/35 Extraordinary methods of construction, e.g. lift-slab, jack-block (E04B1/34 takes precedence; falsework, shuttering for shaping walls, floors, ceilings or roofs in situ E04G11/04; conveying or assembling of building materials E04G21/00; working measures on existing buildings E04G23/00) +14 CPC IPC+CPC Available in IPC and CPC
• E04B 1/36 Bearings or like supports allowing movement (for bridges E01D19/04; buildings with-standing earthquakes E04H9/02) IPC+CPC Available in IPC and CPC
• E04B 1/38 Connections for building structures in general +4 CPC IPC+CPC Available in IPC and CPC
• E04B 1/62 Insulation or other protection; Elements or use of specified material therefor (chemical compositions C01 - C11; implements for applying insulation or sealings E04F21/00; buildings to withstand, or to provide protection against, external undesired influences E04H9/00; sealing pipes in walls or partitions F16L5/02; shielding against dangerous radiation G21F) +1 CPC IPC+CPC Available in IPC and CPC
• E04B 1/99 Room acoustics, i.e. forms of, or arrangements in, rooms for influencing or directing sound (E04B1/82 takes precedence; acoustics in general G10K11/00; electric signal processing for producing a reverberation or echo sound G10K15/08) +1 CPC IPC+CPC Available in IPC and CPC
• E04B 2001/0053 2nd only +4 CPC CPC only CPC only