Patent classifications
E
FIXED CONSTRUCTIONS
Load children
E04
BUILDING
Load children
E04G
SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
Load children
21/00
Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
Load children Filter patents View analytics View as hierarchy
E04G21/32
Safety or protective measures for persons during the construction of buildings
Load children Filter patents View analytics View as hierarchy
E04G21/3261
Safety-nets; Safety mattresses; Arrangements on buildings for connecting safety-lines
Load children Filter patents View analytics View as hierarchy
E04G21/3276
Arrangements on buildings for connecting safety-lines
Load children Filter patents View analytics View as hierarchy
E04G21/329
with measures for dampening the fall
Filter patents View analytics View as hierarchy