Patent classifications
F
MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
Load children
F21
LIGHTING
Load children
F21V
FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
Load children
17/00
Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
Load children Filter patents View analytics View as hierarchy
F21V17/10
characterised by specific fastening means or way of fastening
Load children Filter patents View analytics View as hierarchy
F21V17/16
by deformation of parts; Snap action mounting
Load children Filter patents View analytics View as hierarchy
F21V17/166
the parts being subjected to torsion, e.g. spiral springs
Filter patents View analytics View as hierarchy