Apparatus combining measurement of the surface configuration of paving with application of material in proportion to the measured irregularities

Introduced: September 1968

Last revised: January 2006

Full Title

Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces > Devices or arrangements for working the finished surface; Devices for repairing the surface of damaged paving > Apparatus combining measurement of the surface configuration of paving with application of material in proportion to the measured irregularities

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

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