E01D CONSTRUCTION OF BRIDGES, OR VIADUCTS; ASSEMBLY OF BRIDGES (bridges extending between terminal buildings and aircraft for embarking or disembarking passengers B64F1/305; )
Description
E01D covers the structural design, construction methods, and components of bridges for vehicular and pedestrian traffic. This includes bridge types such as beam bridges, arch bridges, suspension bridges, and cable-stayed structures, as well as foundations, piers, abutments, and deck systems. The classification encompasses materials selection, structural analysis, and assembly techniques applicable to bridges crossing water, valleys, or other obstacles. Related drainage, expansion joints, and bearing systems integral to bridge functionality are included, while temporary structures and scaffolding during construction are excluded.
12 direct subcodes
Child Classifications
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- E01D 1/00 Bridges in general (characterised by their structural type E01D4/00 - E01D15/00)
- E01D 11/00 Suspension or cable-stayed bridges
- E01D 12/00 Bridges characterised by a combination of structures not covered as a whole by a single one of groups E01D2/00 - E01D11/00
- E01D 15/00 Movable or portable bridges; Floating bridges
- E01D 18/00 Bridges specially adapted for particular applications or functions not provided for elsewhere, e.g. aqueducts, bridges for supporting pipe-lines
- E01D 19/00 Structural or constructional details of bridges
- E01D 2/00 Bridges characterised by the cross-section of their bearing spanning structure
- E01D 21/00 Methods or apparatus specially adapted for erecting or assembling bridges
- E01D 2101/00 Material constitution of bridges
- E01D 22/00 Methods or apparatus for repairing or strengthening existing bridges
- E01D 4/00 Arch-type bridges
- E01D 6/00 Truss-type bridges
Top Applicants
Top 10 applicants by patent filingsfor class E01, 2013–2023, worldwide · Source: EPO PATSTAT
- PLASSER & THEURER EXPORT VON BAHNBAUMASCHINEN AT 998
- CATERPILLAR PAVING PRODUCTS US 937
- CHINA RAILWAY SIYUAN SURVEY AND DESIGN GROUP COMPANY 869
- WIRTGEN DE 740
- CHINA RAILWAY MAJOR BRIDGE ENGINEERING GROUP COMPANY 685
- CHANG AN UNIVERSITY 615
- CREEC (CHINA RAILWAY ERYUAN ENGINEERING GROUP) 613
- SOUTHEAST UNIVERSITY 562
- TONGJI UNIVERSITY 500
- ROAD & BRIDGE INTERNATIONAL COMPANY 491