WebCPC CPC COOPERATIVE PATENT CLASSIFICATION

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; {roof coverings E04D; coverings for walls or ceilings E04F 13/00; floorings E04F 15/00} structural elements specially designed for built-in conduit shafts E04F 17/00; {elements for buildings for particular purposes E04H 7/00}; special elements for building ovens or furnaces F24B, F27D)

E04C 1/24 ・Elements for building-up floors, ceilings, roofs, arches, or beams (E04C 1/39 to E04C 1/42 take precedence; flooring E04F 15/00)

E04C 1/34 ・・designed for use as filling elements

E04C 1/36 ・・・between joists or girders

E04C 1/38 ・・・in ribbed or cross-ribbed floors, ceilings, or roofs consisting of reinforced concrete

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 1/392 ・・{for ventilating, heating or cooling}

E04C 1/395 ・・{for claustra, fences, planting walls, e.g. sound-absorbing (pots for vertical horticulture A01G 9/022)}

E04C 1/397 ・・{serving for locating conduits (E04C 1/392 takes precedence)}

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 1/41 ・・composed of insulating material and load-bearing concrete, stone or stone-like material

E04C 1/42 ・of glass or other transparent material {(panels made of glass bricks E04C 2/546)}

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 subclasses, e.g. B27N, 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; {of cement and other mineral fibres}(E04C 2/26 takes precedence; material or manufacture B28, C04)

E04C 2/041 ・・・{composed of a number of smaller elements, e.g. bricks, also combined with a slab of hardenable material}

E04C 2/042 ・・・・{Apparatus for handling the smaller elements or the hardenable material; bricklaying machines for prefabricated panels (bricklaying machines in generalE04G 21/22)}

E04C 2/043 ・・・{of plaster (E04C 2/049 takes precedence)}

E04C 2/044 ・・・{of concrete (E04C 2/049 takes precedence)}

E04C 2/049 ・・・{completely or partially of insulating material, e.g. cellular concrete or foamed plaster}

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 2/049}, E04C 2/26 take precedence; {hydraulic cement and mineral fibres E04C 2/04})

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 2/205 ・・・・{of foamed plastics, or of plastics and foamed plastics, optionally reinforced}

E04C 2/22 ・・・・reinforced {E04C 2/205 takes precedence}

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 2/243 ・・・・{one at least of the material being insulating}

E04C 2/246 ・・・・{combinations of materials fully covered by E04C 2/16 and 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 the groups {(of cement and mineral fibres E04C 2/04)}

E04C 2/28 ・・・combinations of materials fully covered by groups E04C 2/04 and E04C 2/08

E04C 2/284 ・・・at least one of the materials being insulating

E04C 2/288 ・・・・composed of insulating material and concrete, stone or stone-like material

E04C 2/2885 ・・・・・{with the insulating material being completely surrounded by, or embedded in, a stone-like material, e.g. the insulating material being discontinuous}

E04C 2/292 ・・・・composed of insulating material and sheet metal

E04C 2/296 ・・・・composed of insulating material and non-metallic or unspecified sheet-material (E04C 2/288 takes precedence)

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 2/322 ・・・{with parallel corrugations}

E04C 2/324 ・・・{with incisions or reliefs in the surface (E04C 2/326 takes precedence)}

E04C 2/326 ・・・{with corrugations, incisions or reliefs in more than one direction of the element}

E04C 2/328 ・・・{slightly bowed or folded panels not otherwise provided for}

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 2/3405 ・・・{spaced apart by profiled spacer sheets}

E04C 2/36 ・・・spaced apart by transversely-placed strip material, e.g. honeycomb panels (honeycomb or other core members for layered products B32B)

E04C 2/365 ・・・・{by honeycomb structures}

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 2/382 ・・・{with a frame of concrete or other stone-like substance}

E04C 2/384 ・・・{with a metal frame}

E04C 2/386 ・・・{with a frame of unreconstituted or laminated wood}

E04C 2/388 ・・・{with a frame of other materials, e.g. fibres, plastics}

E04C 2/40 ・・composed of a number of smaller components rigidly or movably connected together, e.g. interlocking, hingedly connected {of particular shape, e.g. not rectangular of variable shape or size, e.g. flexible or telescopic panels (E04C 2/041 takes precedence)}

E04C 2/405 ・・・{composed of two or more hingedly connected parts}

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 2/421 ・・・{made of bar-like elements, e.g. bars discontinuous in one direction}

E04C 2/422 ・・・・{with continuous bars connecting at crossing points of the grid pattern}

E04C 2/423 ・・・・・{with notches}

E04C 2/425 ・・・・・{made of perforated bars}

E04C 2/426 ・・・・{with continuous bars that remain unconnected at crossing points of the grid pattern, e.g. with undulating bars}

E04C 2/427 ・・・{Expanded metal or other monolithic gratings}

E04C 2/428 ・・・{Separate connecting means, e.g. connecting gratings to underlying structure}

E04C 2/44 ・characterised by the purpose

E04C 2/46 ・・specially adapted for making walls (E04C 2/52, E04C 2/54 take precedence; structure of slab-shaped elements E04B 1/02; walls of elements of relatively thin form E04B 2/72)

E04C 2/48 ・・as high as or higher than the room, i.e. having provisions concerning the connection with at least two floors (E04C 2/52 and E04C 2/54 take precedence)

E04C 2/50 ・・Self-supporting slabs specially adapted for making floors ceilings, or roofs, e.g. able to be loaded (E04C 2/52, E04C 2/54 take precedence; structures of slab-shaped elements E04B 1/02; floor structures E04B 5/00; {roofs consisting of self-supporting slabs E04B 7/20;} ceilings E04B 9/00; roof coverings E04D; floor coverings E04F 15/00)

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 2/521 ・・・{serving for locating conduits; for ventilating, heating or cooling}

E04C 2/523 ・・・・{for ventilating}

E04C 2/525 ・・・・{for heating or cooling (solar heat collectors F24J 2/04; heat storage F28D 20/00)}

E04C 2/526 ・・・{with adaptations not otherwise provided for, for connecting, transport; for making impervious or hermetic, e.g. sealings}

E04C 2/528 ・・・・{Impervious or hermetic panels not otherwise provided for}

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 2/543 ・・・{Hollow multi-walled panels with integrated webs}

E04C 2/546 ・・・{made of glass bricks}

E04C 3/00 Structural elongated elements designed for load-supporting (as building aids E04G)

E04C 3/005 ・{Girders or columns that are rollable, collapsible or otherwise adjustable in length or height (girders as supporting members for forms E04G 11/54)}

E04C 3/02 ・Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; {Braces}(E04C 3/38 takes precedence; for structures characterised by movable, separable, or collapsible parts E04B 1/343; {braced purlins E04B 7/024})

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){honeycomb girders E04C 3/083}

E04C 3/065 ・・・・{with special adaptations for the passage of cables or conduits through the web}

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 3/083 ・・・・{Honeycomb girders; Girders with apertured solid web}

E04C 3/086 ・・・・・{of the castellated type}

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 3/122 ・・・{Laminated }

E04C 3/125 ・・・{End caps therefor}

E04C 3/127 ・・・{with hollow cross section}

E04C 3/14 ・・・with substantially solid, i.e. unapertured, web ({E04C 3/127,}E04C 3/17, E04C 3/18 take precedence)

E04C 3/145 ・・・・{with special adaptations for the passage of cables or conduits through the web, e.g. reinforcements}

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 {or other} reinforcements or tensioning members

E04C 3/185 ・・・・{Synthetic reinforcements}

E04C 3/20 ・・of concrete or other stone-like material, e.g. with reinforcements or tensioning members (reinforcing elements E04C 5/00)

E04C 3/205 ・・・{with apertured web, e.g. frameworks, trusses (E04C 3/26 takes precedence)}

E04C 3/22 ・・・built-up by elements jointed 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 not covered by groups E04C 3/40 - E04C 3/44

E04C 3/285 ・・・{of glass}

E04C 3/29 ・・built-up from parts of different material, {i.e. composite structures}

E04C 3/291 ・・・{with apertured web}

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 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 not covered by groups E04C 3/40 - E04C 3/44; of a combination of two or more materials

E04C 3/38 ・Arched girders or portal frames (straight girders able to be bent E04C 3/02; inflatable 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 not covered by groups E04C 3/40 - E04C 3/44; of a combination of two or more materials

E04C 5/00 Reinforcing elements, e.g. for concrete; Auxiliary elements therefor ({methods or devices for making reinforcing materials B21D}; material composition {C04B}, C21, C22; arrangements of reinforcing elements, see the relevant subclasses)

E04C 5/01 ・Reinforcing elements of metal, e.g. with non-structural coatings {(E04C 5/08 takes precedence)}

E04C 5/012 ・・{Discrete reinforcing elements, e.g. fibres}

E04C 5/015 ・・{Anti-corrosion coatings or treating compositions, e.g. containing waterglass or based on another metal (coating of discrete reinforcing elements C04B 20/10)}

E04C 5/017 ・・・{Anti-corrosion coatings or treating compositions containing cement}

E04C 5/02 ・・of low bending resistance

E04C 5/03 ・・・with indentations, projections, ribs, or the like, for augmenting the adherence to the concrete

E04C 5/04 ・・・Mats ({combined with reinforcing elements protruding out of the plane of the mat 5/06B; three-dimensional mats E04C 5/0636}; bases for plaster E04F 13/04)

E04C 5/06 ・・of high bending resistance, i.e. of essentially three-dimensional extent, e.g. lattice girders {(anchorage devices specially adapted for balconies E04B 1/0038; supporting devices for connector reinforcing rods for concrete walls E04G 21/125)}

E04C 5/0604 ・・・{Prismatic or cylindrical reinforcement cages composed of longitudinal bars and open or closed stirrup rods (E04C 5/0631 takes precedence)}

E04C 5/0609 ・・・・{Closed cages composed of two or more coacting cage parts, e.g. transversally hinged or nested parts}

E04C 5/0613 ・・・・{Closed cages made of one single bent reinforcement mat}

E04C 5/0618 ・・・・{Closed cages with spiral- or coil-shaped stirrup rod}

E04C 5/0622 ・・・・{Open cages, e.g. connecting stirrup baskets (E04C 5/0609 takes precedence)}

E04C 5/0627 ・・・{Three-dimensional reinforcements composed of a prefabricated reinforcing mat combined with reinforcing elements protruding out of the plane of the mat (E04C 5/0645 takes precedence)}

E04C 5/0631 ・・・・{Reinforcing mats combined with separate prefabricated reinforcement cages or girders (E04C 5/064 takes precedence)}

E04C 5/0636 ・・・{Three-dimensional reinforcing mats composed of reinforcing elements laying in two or more parallel planes and connected by separate reinforcing parts (E04C 5/0645 takes precedence)}

E04C 5/064 ・・・・{the reinforcing elements in each plane being formed by, or forming a, mat of longitunal and transverse bars}

E04C 5/0645 ・・・{Shear reinforcements, e.g. shearheads for floor slabs}

E04C 5/065 ・・・Light-weight girders, e.g. with precast parts (light-weight girders in general E04C 3/08, E04C 3/294)

E04C 5/0653 ・・・・{with precast parts}

E04C 5/0656 ・・・・・{with lost formwork}

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)

E04C 5/073 ・・{Discrete reinforcing elements, e.g. fibres}

E04C 5/076 ・・・{Specially adapted packagings therefor, e.g. for dosing}

E04C 5/08 ・Members specially adapted to be used in prestressed constructions {(production of reinforced objects in general B28B 23/00; prestressed structures produced in situ E04G 21/12)}

E04C 5/085 ・・{Tensile members made of fiber reinforced plastics}

E04C 5/10 ・・Ducts

E04C 5/12 ・・Anchoring devices (tools or methods for tensioning {in situ}E04G 21/12)

E04C 5/122 ・・・{the tensile members are anchored by wedge-action}

E04C 5/125 ・・・{the tensile members are profiled to ensure the anchorage, e.g. when provided with screw-thread, bulges, corrugations}

E04C 5/127 ・・・{The tensile members being made of fiber reinforced plastics}

E04C 5/16 ・Auxiliary parts for reinforcements, e.g. connectors, spacers, stirrups ({E04C 5/06 takes precedence;} tools connecting reinforcing elements E04G 21/12)

E04C 5/161 ・・{Protective caps for the ends of reinforcing bars}

E04C 5/162 ・・{Connectors or means for connecting parts for reinforcements (E04C 5/168 takes precedence)}

E04C 5/163 ・・・{the reinforcements running in one single direction}

E04C 5/165 ・・・・{Coaxial connection by means of sleeves}

E04C 5/166 ・・・{the reinforcements running in different directions}

E04C 5/167 ・・・・{Connection by means of clips or other resilient elements}

E04C 5/168 ・・{Spacers connecting parts for reinforcements and spacing the reinforcements from the form}

E04C 5/18 ・・{Spacers} of metal or substantially of metal {(E04C 5/168 takes precedence)}

E04C 5/20 ・・of material other than metal or with only additional metal parts, e.g. concrete or plastics spacers with metal binding wires {(E04C 5/168 takes precedence)}

E04C 5/201 ・・・{Spacer blocks with embedded separate holding wire or clips}

E04C 5/203 ・・・{Circular and spherical spacers}

E04C 5/205 ・・・{Ladder or strip spacers}

E04C 5/206 ・・・{Spacers having means to adapt the spacing distance}

E04C 5/208 ・・・{Spacers especially adapted for cylindrical reinforcing cages}

E04C 2002/00 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 subclasses, e.g. B27N, 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 2002/001 ・Mechanical features of panels

E04C 2002/002 ・・Panels with integrated lifting means, e.g. with hoisting lugs

E04C 2002/004 ・・Panels with profiled edges, e.g. stepped, serrated

E04C 2002/005 ・Appearance of panels

E04C 2002/007 ・・Panels with the appearance of a brick wall

E04C 2002/008 ・・Panels with the appearance of a natural stone wall

E04C 2002/02 ・characterised by specified materials (translucent E04C 2/54)

E04C 2002/04 ・・of concrete or other stone-like material; of asbestos cement; {of cement and other mineral fibres}(E04C 2/26 takes precedence; material or manufacture B28, C04)

E04C 2002/044 ・・・{of concrete (E04C 2/049 takes precedence)}

E04C 2002/045 ・・・・with two parallel leaves connected by tie anchors

E04C 2002/046 ・・・・・Flat anchors

E04C 2002/047 ・・・・・Pin or rod shaped anchors

E04C 2002/048 ・・・・・Bent wire anchors

E04C 2002/30 ・characterised by the shape or structure (translucent E04C 2/54)

E04C 2002/34 ・・composed of two or more spaced sheet-like parts (E04C 2/32 takes precedence; spacers for cavity walls E04B 2/44)

E04C 2002/3405 ・・・{spaced apart by profiled spacer sheets}

E04C 2002/3411 ・・・・Dimpled spacer sheets

E04C 2002/3416 ・・・・・with cylindrical dimples

E04C 2002/3422 ・・・・・with polygonal dimples

E04C 2002/3427 ・・・・・with conical dimples

E04C 2002/3433 ・・・・・with dimples extending from both sides of the spacer sheet

E04C 2002/3438 ・・・・・・with saddle-shaped dimples, e.g. eggcrate type spacer sheets

E04C 2002/3444 ・・・・Corrugated sheets

E04C 2002/345 ・・・・・with triangular corrugations

E04C 2002/3455 ・・・・・with trapezoidal corrugations

E04C 2002/3461 ・・・・・with rectangular corrugations

E04C 2002/3466 ・・・・・with sinusoidal corrugations

E04C 2002/3472 ・・・・with multiple layers of profiled spacer sheets

E04C 2002/3477 ・・・spaced apart by tubular elements parallel to the sheets

E04C 2002/3483 ・・・spaced apart by spacers stamped from the sheets

E04C 2002/3488 ・・・spaced apart by frame like structures

E04C 2002/3494 ・・・Apparatus for making profiled spacer sheets

E04C 2003/00 Structural elongated elements designed for load-supporting (as building aids E04G)

E04C 2003/02 ・Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; {Braces}(E04C 3/38 takes precedence; for structures characterised by movable, separable, or collapsible parts E04B 1/343; {braced purlins E04B 7/024})

E04C 2003/023 ・・Lintels

E04C 2003/026 ・・Braces

E04C 2003/04 ・・of metal (E04C 3/29 takes precedence; as reinforcing elements E04C 5/06; manufacture B21)

E04C 2003/0404 ・・・beams, girders, or joists characterised by cross-sectional aspects

E04C 2003/0408 ・・・・characterised by assembly or the cross-section

E04C 2003/0413 ・・・・・being built up from several parts

E04C 2003/0417 ・・・・・・demountable

E04C 2003/0421 ・・・・・comprising one single unitary part

E04C 2003/0426 ・・・・characterised by material distribution in cross section

E04C 2003/043 ・・・・・the hollow cross-section comprising at least one enclosed cavity

E04C 2003/0434 ・・・・・the open cross-section free of enclosed cavities

E04C 2003/0439 ・・・・・the cross-section comprising open parts and hollow parts

E04C 2003/0443 ・・・・characterised by substantial shape of the cross-section

E04C 2003/0447 ・・・・・circular- or oval-shaped

E04C 2003/0452 ・・・・・H- or I-shaped

E04C 2003/0456 ・・・・・・{hollow flanged, i.e. "dogbone" metal beams}

E04C 2003/046 ・・・・・L- or T-shaped

E04C 2003/0465 ・・・・・square- or rectangular-shaped

E04C 2003/0469 ・・・・・triangular-shaped

E04C 2003/0473 ・・・・・U- or C-shaped

E04C 2003/0478 ・・・・・X-shaped

E04C 2003/0482 ・・・・・Z- or S-shaped

E04C 2003/0486 ・・・Truss like structures composed of separate truss elements

E04C 2003/0491 ・・・・the truss elements being located in one single surface or in several parallel surfaces

E04C 2003/0495 ・・・・the truss elements being located in several non-parallel surfaces