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DIFF Main Group
E01B 7/00

Switches; Crossings (operating mechanisms B61L)

Introduced: September 1968

Title

Titles differ between systems:

IPC: Switches; Crossings

CPC: Switches; Crossings (operating mechanisms B61L)

Full Title

Full titles differ between systems:

IPC:

Switches; Crossings

CPC:

Switches; Crossings (operating mechanisms B61L)

IPC and CPC are identically structured here. All 8 subcodes exist in both systems.

1 shared codes have differing titles between IPC and CPC.

Child Classifications

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  • E01B 7/18 Combinations of switches and crossings IPC+CPC Available in IPC and CPC
  • E01B 7/20 Safety means for switches, e.g. switch point protectors, auxiliary or guiding rail members IPC+CPC Available in IPC and CPC
  • E01B 7/22 Special sleepers for switches or crossings; Fastening means therefor IPC+CPC Available in IPC and CPC
  • E01B 7/24 Heating of switches IPC+CPC Available in IPC and CPC
  • E01B 7/26 Lubricating of switches (lubricating of rails B61K3/00) IPC+CPC Available in IPC and CPC

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