IPC Subgroup
E04H 5/02 Buildings or groups of buildings for industrial purposes, e.g. for power-plants or factories
Introduced: September 1968
Last revised: January 2006
Full Title
Buildings or groups of buildings for industrial or agricultural purposes > Buildings or groups of buildings for industrial purposes, e.g. for power-plants or factories
Classification Context
- Section:
- FIXED CONSTRUCTIONS
- Class:
- BUILDING
- Subclass:
- BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
Additional Content
Buildings forming part of cooling plants
Related Keywords
BOILER(S) housesbuildings for ENGINE(S) plantFACTORY(IES) buildings(2) PLANT(S) [= factory buildings]buildings for POWER plantwork- SHOP(S)WORK shops
2 direct subcodes
Child Classifications
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Top Applicants
Top 10 applicants by patent filingsfor class E04, 2013–2023, worldwide · Source: EPO PATSTAT
- CHINA CONSTRUCTION EIGHTH ENGINEERING DIVISION 6,575
- ZHEJIANG YASHA DECORATION COMPANY 4,488
- SGCC(STATE GRID CORPORATION OF CHINA) 4,427
- CHINA CONSTRUCTION SECOND ENGINEERING BUREAU 4,352
- CHINA MCC17 GROUP COMPANY 3,122
- GOLD MANTIS FINE DECORATION TECHNOLOGY (SUZHOU) COMPANY 2,605
- SHENYANG JIANZHU UNIVERSITY 2,420
- CHINA CONSTRUCTION SEVENTH ENGINEERING DIVISION COMPANY 2,284
- CHINA CONSTRUCTION FIFTH ENGINEERING DIVISION CORPORATION 2,008
- CHINA CONSTRUCTION FIRST BUILDING (GROUP) CORPORATION 1,967