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PCE
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DIFF Subgroup
E01B 29/28

the fastening means being of screw-and-nut type (portable apparatus for fixing or removing screws or the like B25B); Apparatus therefor, adapted to additionally drilling holes

Introduced: September 1968

Title

Titles differ between systems:

IPC: the fastening means being of screw-and-nut type; Apparatus therefor, adapted to additionally drilling holes

CPC: the fastening means being of screw-and-nut type (portable apparatus for fixing or removing screws or the like B25B); Apparatus therefor, adapted to additionally drilling holes

Full Title

Full titles differ between systems:

IPC:

Laying, rebuilding, or taking-up tracks; Tools or machines therefor > Fixing or removing detachable fastening means or accessories thereof; Pre-assembling track components by detachable fastening means > the fastening means being of screw-and-nut type; Apparatus therefor, adapted to additionally drilling holes

CPC:

Laying, rebuilding, or taking-up tracks; Tools or machines therefor (E01B27/00, E01B31/00 take precedence) > Fixing or removing detachable fastening means or accessories thereof; Pre-assembling track components by detachable fastening means (E01B29/02, E01B31/26 take precedence) > the fastening means being of screw-and-nut type (portable apparatus for fixing or removing screws or the like B25B); Apparatus therefor, adapted to additionally drilling holes

IPC and CPC are identically structured here. All 1 subcodes exist in both systems.

Child Classifications

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  • E01B 29/29 for horizontally-arranged fastening elements, e.g. fish-bolts 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