Skip to content
PCE
Search Classifications
Search for IPC and CPC classification codes or keywords
DIFF Subgroup
E01C 23/12

for taking-up, tearing-up, or breaking-up paving, (adapted to both placing and removing paving E01C19/52)

Introduced: September 1968

Title

Titles differ between systems:

IPC: for taking-up, tearing-up, or breaking-up paving

CPC: for taking-up, tearing-up, or breaking-up paving, (adapted to both placing and removing paving E01C19/52)

Full Title

Full titles differ between systems:

IPC:

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 > for taking-up, tearing-up, or breaking-up paving

CPC:

Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces (apparatus for reconditioning of salvaged non-hydraulic compositions E01C19/10) > Devices or arrangements for working the finished surface (working freshly laid paving E01C19/42 - E01C19/44, E01C23/02; mining picks E21C35/18); Devices for repairing the surface of damaged paving; > for taking-up, tearing-up, or breaking-up paving, (adapted to both placing and removing paving E01C19/52)

Of 3 combined children, 0 exist in both systems.

3 codes are CPC-only extensions.

Child Classifications

Navigate with arrow keys, Enter to open

Top Applicants

Top Applicants (IPC)

Class E01,2013–2023, worldwide · Source: EPO PATSTAT

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

Top Applicants (CPC)

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