CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR

Introduced: September 1968

Classification Context

Section:: FIXED CONSTRUCTIONS
Class:: CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Subclass:: CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR

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

IPC subclass E01C recorded 144,770 patent applications worldwide between 2013 and 2023. Annual filings grew from 5,389 in 2013 to 19,369 in 2023 (+259%), peaking at 20,882 applications in 2020. The most active applicants in class E01 are CHINA RAILWAY SIYUAN SURVEY AND DESIGN GROUP COMPANY (2,096 applications), CHANG AN UNIVERSITY (1,878 applications) and ROAD & BRIDGE INTERNATIONAL COMPANY (1,796 applications).

Source: EPO PATSTAT, worldwide filings

Related Keywords

making FLOOR(S) with similar material to roadsconstruction or repair of ROAD(S)surfacing airfield RUNWAYSSCREEDS for roadspreventing SLIPPING by conditioning of road surfacesTANKS for preparing or distributing road-building materialpreventing slipping of VEHICLES by conditioning of road surfaces

12 direct subcodes

Child Classifications

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E01C 1/00 Design or layout of roads, e.g. for noise abatement, for gas absorption
E01C 11/00 Details of pavings
E01C 13/00 Pavings or foundations specially adapted for playgrounds or sports grounds
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
E01C 19/00 Machines, tools, or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
E01C 21/00 Apparatus or processes for surface stabilisation for road building or like purposes, e.g. mixing borrowed aggregate with binder
E01C 23/00 Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces
E01C 3/00 Foundations for pavings
E01C 5/00 Pavings made of prefabricated single units
E01C 7/00 Coherent pavings made
E01C 9/00 Special pavings; Pavings for special parts of roads or airfields

Top Applicants

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

CHINA RAILWAY SIYUAN SURVEY AND DESIGN GROUP COMPANY 2,096
CHANG AN UNIVERSITY 1,878
ROAD & BRIDGE INTERNATIONAL COMPANY 1,796
CREEC (CHINA RAILWAY ERYUAN ENGINEERING GROUP) 1,493
CHINA RAILWAY MAJOR BRIDGE ENGINEERING GROUP COMPANY 1,327
CCCC FIRST HIGHWAY ENGINEERING GROUP COMPANY 1,133
CCCC SECOND HARBOUR ENGINEERING COMPANY 1,029
PLASSER & THEURER EXPORT VON BAHNBAUMASCHINEN AT 935
TONGJI UNIVERSITY 899
CATERPILLAR PAVING PRODUCTS US 868