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CPC Subclass Not Allocatable
E01C

CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR (forming roads or like surfaces by compacting or grading snow or ice E01H)

Description

E01C encompasses technologies for constructing and maintaining road surfaces, athletic facilities, and similar ground-level structures, together with the machinery and tools required for their installation and repair. This includes materials and methods for creating durable wearing surfaces, drainage systems, and foundation layers, as well as mechanical equipment such as pavers, compactors, and resurfacing machines. The classification extends to sports grounds, parking areas, and other trafficked surfaces where similar construction principles apply. Adjacent subclass E01B covers railway construction, while E01D addresses bridges and similar structures.

Filing statistics

CPC subclass E01C recorded 56,740 patent applications worldwide between 2013 and 2023. Annual filings grew from 2,651 in 2013 to 5,473 in 2023 (+106%), peaking at 7,531 applications in 2020. The most active applicants in class E01 are PLASSER & THEURER EXPORT VON BAHNBAUMASCHINEN (998 applications), CATERPILLAR PAVING PRODUCTS (937 applications) and CHINA RAILWAY SIYUAN SURVEY AND DESIGN GROUP COMPANY (869 applications).

Source: EPO PATSTAT, worldwide filings

14 direct subcodes

Child Classifications

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  • E01C 15/00 Pavings specially adapted for footpaths, sidewalks or cycle tracks
  • E01C 17/00 Pavement lights, i.e. translucent constructions forming part of the surface (blocks specially designed for marking roads E01F9/524)

Top Applicants

Top 10 applicants by patent filingsfor class E01, 2013–2023, worldwide · Source: EPO PATSTAT

  1. PLASSER & THEURER EXPORT VON BAHNBAUMASCHINEN AT 998
  2. CATERPILLAR PAVING PRODUCTS US 937
  3. CHINA RAILWAY SIYUAN SURVEY AND DESIGN GROUP COMPANY 869
  4. WIRTGEN DE 740
  5. CHINA RAILWAY MAJOR BRIDGE ENGINEERING GROUP COMPANY 685
  6. CHANG AN UNIVERSITY 615
  7. CREEC (CHINA RAILWAY ERYUAN ENGINEERING GROUP) 613
  8. SOUTHEAST UNIVERSITY 562
  9. TONGJI UNIVERSITY 500
  10. ROAD & BRIDGE INTERNATIONAL COMPANY 491