• All sections
• G - Physics
• G10D - Stringed musical instrumentswind musical instrumentsaccordions or concertinaspercussion musical instrumentsaeolian harps singing-flame musical instrumentsmusical instruments not otherwise provided for
• G10D 7/04 - General design of wind musical instruments of the type wherein an air current is directed against a ramp edge with Helmholtz resonators, e.g. ocarinas

Patent holdings for IPC class G10D 7/04

Total number of patents in this class: 4

10-year publication summary

Principal owners for this class