Patent classifications
G
PHYSICS
Load children
G10
MUSICAL INSTRUMENTS; ACOUSTICS
Load children
G10K
SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
Load children
9/00
Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers
Load children Filter patents View analytics View as hierarchy
G10K9/10
driven by mechanical means only
Filter patents View analytics View as hierarchy