Patent classifications
E
FIXED CONSTRUCTIONS
Load children
E04
BUILDING
Load children
E04H
BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
Load children
3/00
Buildings or groups of buildings for public or similar purposes; Institutions, e.g. infirmaries or prisons
Load children Filter patents View analytics View as hierarchy
E04H3/10
for meetings, entertainments, or sports
Load children Filter patents View analytics View as hierarchy
E04H3/22
Theatres; Concert halls; Studios for broadcasting, cinematography, television or similar purposes
Load children Filter patents View analytics View as hierarchy
E04H3/24
Constructional features of stages
Load children Filter patents View analytics View as hierarchy
E04H3/28
Shiftable or portable platforms
Filter patents View analytics View as hierarchy