IPC Main Group
E02D 27/00 Foundations as substructures
Introduced: September 1968
Last revised: January 2006
Classification Context
- Section:
- FIXED CONSTRUCTIONS
- Class:
- HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL-SHIFTING
- Subclass:
- FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
Related Keywords
ROAD(S) beds or foundationsUNDERGROUND structures
7 direct subcodes
Child Classifications
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- E02D 27/01 Flat foundations
- E02D 27/1 Deep foundations
- E02D 27/24 Foundations constructed by making use of diving-bells
- E02D 27/26 Compacting soil locally before forming foundations; Construction of foundation structures by forcing binding substances into gravel fillings
- E02D 27/28 Stressing the soil or the foundation structure while forming foundations
- E02D 27/3 Foundations made with permanent use of sheet pile bulkheads, walls of planks, or sheet piling boxes
- E02D 27/32 Foundations for special purposes
Top Applicants
Top 10 applicants by patent filingsfor 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