E
SECTION E — FIXED CONSTRUCTIONS
  
BUILDING
 E04
BUILDING (layered materials, layered products in general B32B)
 E04C
STRUCTURAL ELEMENTS; BUILDING MATERIALS (for bridges E01D; specially designed for insulation or other protection E04B; elements used as building aids E04G; for mining E21; for tunnels E21D; structural elements with broader range of application than for building engineering F16, particularly F16S)
 E04C 1/00
Building elements of block or other shape for the construction of parts of buildings (of relatively thin form E04C 2/00; structural elongated elements designed for load-supporting E04C 3/00, e.g. columns or pillars E04C 3/30; manufacture or material of building bricks, stones, or the like B28, C03, C04; paving elements E01C; general building constructions E04B, e.g. walls E04B 2/00, floors E04B 5/00, roofs E04B 7/00, ceilings E04B 9/00; structural elements specially designed for built-in conduit shafts E04F; special elements for building ovens or furnaces F24B, F27D)  [5]
 E04C 1/04 - 
E04C 1/18
( transferred to E04C 3/30, E04B 2/02 )
 E04C 1/24 - 
E04C 1/38
( transferred to E04C 3/00, E04B 5/00, E04B 7/00 )
 E04C 1/39
·  characterised by special adaptations, e.g. serving for locating conduits, for forming soffits, cornices, or shelves, for fixing wall-plates or door-frames, for claustra
 E04C 1/40
·  built-up from parts of different materials, e.g. composed of layers of different materials or stones with filling material or with insulating inserts
 E04C 1/42
·  of glass or other transparent material
 E04C 2/00
Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels (materials or manufacture, see the relevant places, e.g. B27N, B29, D21J; made in situ E04B; specially designed for insulation or other protection E04B 1/62; load-carrying floor structures E04B 5/02, E04B 5/16; roofs consisting of self-supporting slabs E04B 7/20; roof- or like covering elements E04D 3/00; for lining or finishing E04F 13/00)
 E04C 2/02
·  characterised by specified materials (translucent E04C 2/54)
 E04C 2/04
·  ·  of concrete or other stone-like material; of asbestos cement (E04C 2/26 takes precedence; material or manufacture B28, C04)
 E04C 2/06
·  ·  ·  reinforced
 E04C 2/08
·  ·  of metal, e.g. sheet metal (E04C 2/26 takes precedence)
 E04C 2/10
·  ·  of wood, fibres, chips, vegetable stems, or the like; of plastics; of foamed products (E04C 2/26 takes precedence)
 E04C 2/12
·  ·  ·  of solid wood
 E04C 2/14
·  ·  ·  ·  reinforced
 E04C 2/16
·  ·  ·  of fibres, chips, vegetable stems, or the like
 E04C 2/18
·  ·  ·  ·  with binding wires, reinforcing bars, or the like
 E04C 2/20
·  ·  ·  of plastics
 E04C 2/22
·  ·  ·  ·  reinforced
 E04C 2/24
·  ·  ·  laminated and composed of materials covered by two or more of groups E04C 2/12, E04C 2/16, E04C 2/20
 E04C 2/26
·  ·  composed of materials covered by two or more of groups E04C 2/04, E04C 2/08, E04C 2/10, or of materials covered by one of these groups with a material not specified in one of these groups
 E04C 2/28
·  ·  ·  combinations of materials fully covered by groups E04C 2/04 and E04C 2/08 (reinforced concrete E04C 2/06)
 E04C 2/30
·  characterised by the shape or structure (translucent E04C 2/54)
 E04C 2/32
·  ·  formed of corrugated or otherwise indented sheet-like material; composed of such layers with or without layers of flat sheet-like material
 E04C 2/34
·  ·  composed of two or more spaced sheet-like parts (E04C 2/32 takes precedence; spacers for cavity walls E04B 2/44)
 E04C 2/36
·  ·  ·  spaced apart by transversely-placed strip material, e.g. honeycomb panels (honeycomb or other core members for layered products B32B)
 E04C 2/38
·  ·  with attached ribs, flanges, or the like, e.g. framed panels (concerned with attaching to other panels or elements to form a structure, see the places for the relevant structure, e.g. E04B 2/00)
 E04C 2/40
·  ·  composed of a number of smaller components rigidly or movably connected together, e.g. interlocking, hingedly connected
 E04C 2/42
·  ·  Gratings; Grid-like panels (reinforcing elements E04C 5/00; built-in gratings E04F 19/10; gratings in general F16S 3/00)
 E04C 2/44
( transferred to E04B 2/00,E04B 5/00-E04B 9/00 )
 E04C 2/46 - 
E04C 2/48
( transferred to E04B 2/00 )
 E04C 2/50
( transferred to E04B 5/02, E04B 5/16, E04B 7/20, E04B 9/04 )
 E04C 2/52
·  ·  with special adaptations for auxiliary purposes, e.g. serving for locating conduits (E04C 2/54 takes precedence; block-shaped elements therefor E04C 1/39; floor structures incorporating ducts E04B 5/48)
 E04C 2/54
·  Slab-like translucent elements (floors for transmitting light E04B 5/46; translucent or open-work ceilings E04B 9/32, E04B 9/34; translucent roof coverings E04D 3/06, E04D 3/28)
 E04C 3/00
Structural elongated elements designed for load-supporting (as building aids E04G)
 E04C 3/02
·  Joists; Girders, trusses, or truss-like structures, e.g. prefabricated; Lintels; Transoms (E04C 3/38 takes precedence; for structures characterised by movable, separable, or collapsible parts E04B 1/343)
 E04C 3/04
·  ·  of metal (E04C 3/29 takes precedence; as reinforcing elements E04C 5/06; manufacture B21)
 E04C 3/06
·  ·  ·  with substantially solid, i.e. unapertured, web (E04C 3/10, E04C 3/11 take precedence)
 E04C 3/07
·  ·  ·  ·  at least partly of bent or otherwise deformed strip- or sheet-like material
 E04C 3/08
·  ·  ·  with apertured web, e.g. with a web consisting of bar-like components; Honeycomb girders (E04C 3/10, E04C 3/11 take precedence)
 E04C 3/09
·  ·  ·  ·  at least partly of bent or otherwise deformed strip- or sheet-like material
 E04C 3/10
·  ·  ·  prestressed
 E04C 3/11
·  ·  ·  with non-parallel upper and lower edges, e.g. roof trusses (arched girders, portal frames E04C 3/38)
 E04C 3/12
·  ·  of wood, e.g. with reinforcements, with tensioning members (E04C 3/292 takes precedence)
 E04C 3/14
·  ·  ·  with substantially solid, i.e. unapertured, web (E04C 3/17, E04C 3/18 take precedence)
 E04C 3/16
·  ·  ·  with apertured web, e.g. trusses (E04C 3/17, E04C 3/18 take precedence)
 E04C 3/17
·  ·  ·  with non-parallel upper and lower edges, e.g. roof trusses
 E04C 3/18
·  ·  ·  with metal reinforcements or tensioning members
 E04C 3/20
·  ·  of concrete or other stone-like material, e.g. with reinforcements or tensioning members (reinforcing elements E04C 5/00)
 E04C 3/22
·  ·  ·  built-up by elements joined in line
 E04C 3/26
·  ·  ·  prestressed (E04C 3/22, E04C 3/29 take precedence; prestressing members E04C 5/08)
 E04C 3/28
·  ·  of other materials
 E04C 3/29
·  ·  built-up from parts of different materials
 E04C 3/292
·  ·  ·  the materials being wood and metal
 E04C 3/293
·  ·  ·  the materials being steel and concrete (concrete with internal reinforcements or tensioning members E04C 3/20)
 E04C 3/294
·  ·  ·  ·  of concrete combined with a girder-like structure extending laterally outside the element (light-weight girders used as reinforcement E04C 5/065; as part of a floor structure E04B 5/23)
 E04C 3/30
·  Columns; Pillars; Struts (not designed for end loading E04C 3/02; posts, masts, as independent structures E04H 12/00)
 E04C 3/32
·  ·  of metal (E04C 3/36 takes precedence)
 E04C 3/34
·  ·  of concrete or other stone-like material, with or without permanent form elements, with or without internal or external reinforcement, e.g. metal coverings (E04C 3/36 takes precedence)
 E04C 3/36
·  ·  of other materials
 E04C 3/38
·  Arched girders or portal frames (straight girders able to be bent E04C 3/02; inflatable tents or canopies, in general E04H 15/20)
 E04C 3/40
·  ·  of metal (E04C 3/46 takes precedence)
 E04C 3/42
·  ·  of wood, e.g. units for rafter roofs (E04C 3/46 takes precedence)
 E04C 3/44
·  ·  of concrete or other stone-like material, e.g. with reinforcements or tensioning members (E04C 3/46 takes precedence)
 E04C 3/46
·  ·  of other materials
 E04C 5/00
Reinforcing elements, e.g. for concrete; Auxiliary elements therefor (material composition C21, C22; arrangements of reinforcing elements, see the relevant classes)
 E04C 5/01
·  Reinforcing elements of metal, e.g. with non-structural coatings  [5]
 E04C 5/02
·  ·  of low bending resistance, i.e. of essentially one-or two-dimensional extent
 E04C 5/03
·  ·  ·  with indentations, projections, ribs, or the like, for augmenting the adherence to the concrete
 E04C 5/04
·  ·  ·  Mats (bases for plaster E04F 13/04)
 E04C 5/06
·  ·  of high bending resistance, i.e. of essentially three-dimensional extent, e.g. lattice girders
 E04C 5/065
·  ·  ·  Light-weight girders, e.g. with precast parts (light-weight girders in general E04C 3/08, E04C 3/294)
 E04C 5/07
·  Reinforcing elements of material other than metal, e.g. of glass, of plastics, or not exclusively made of metal (metal elements with non-structural coatings E04C 5/01)  [5]
 E04C 5/08
·  Members specially adapted to be used in prestressed constructions
 E04C 5/10
·  ·  Ducts
 E04C 5/12
·  Anchoring devices (tools or methods for tensioning E04G 21/12)  [5]
 E04C 5/16
·  Auxiliary parts for reinforcements, e.g. connectors, spacers, stirrups (tools for connecting reinforcing elements E04G 21/12)
 E04C 5/18
·  ·  of metal or substantially of metal
 E04C 5/20
·  ·  of other material than metal or with only additional metal parts, e.g. concrete or plastics spacers with metal binding wires