DIFF Subgroup
E02D 27/32 Foundations for special purposes
Introduced: September 1968
Full Title
Foundations as substructures > Foundations for special purposes
IPC and CPC are identically structured here. All 11 subcodes exist in both systems.
3 shared codes have differing titles between IPC and CPC.
Child Classifications
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- E02D 27/34 Foundations for sinking or earthquake territories (building constructions with protection arrangements against earthquakes E04H9/02) IPC+CPC Available in IPC and CPC
- E02D 27/35 Foundations formed in frozen ground, e.g. in permafrost soil since 1980 IPC+CPC Available in IPC and CPC
- E02D 27/40 Foundations for dams across valleys or for dam constructions IPC+CPC Available in IPC and CPC
- E02D 27/44 Foundations for machines, engines or ordnance (special layout of foundations with respect to machinery to be supported F16M9/00) IPC+CPC Available in IPC and CPC
- E02D 27/48 Foundations inserted underneath existing buildings or constructions IPC+CPC Available in IPC and CPC
Top Applicants
Top Applicants (IPC)
Class E02,2013–2023, worldwide · Source: EPO PATSTAT
- KOMATSU JP 3,549
- CATERPILLAR US 2,893
- HITACHI CONSTRUCTION MACHINERY COMPANY JP 2,390
- HITACHI CONSTRUCTION MACHINERY COMPANY 2,340
- POWERCHINA HUADONG ENGINEERING CORPORATION 2,336
- CHINA CONSTRUCTION EIGHTH ENGINEERING DIVISION 2,174
- SGCC(STATE GRID CORPORATION OF CHINA) 2,119
- HOHAI UNIVERSITY 1,821
- KOMATSU 1,775
- POWERCHINA GUIYANG ENGINEERING CORPORATION 1,725
Top Applicants (CPC)
Class E02,2013–2023, worldwide · Source: EPO PATSTAT
- KOMATSU JP 3,939
- CATERPILLAR US 3,490
- HITACHI CONSTRUCTION MACHINERY COMPANY JP 2,553
- KOMATSU 1,789
- JOHN DEERE US 1,277
- HITACHI CONSTRUCTION MACHINERY COMPANY 1,102
- KOBELCO CONSTRUCTION MACHINERY COMPANY JP 1,014
- HOHAI UNIVERSITY 975
- CHINA MCC17 GROUP COMPANY 810
- VOLVO CONSTRUCTION EQUIPMENT SE 787