IPC Classification

Class code (prefix) Descriptions Number of results
  • All sections
  • G - Physics
  • G10C - Pianos, harpsichords, spinets or similar stringed musical instruments with one or more keyboards
G10C 1/00 General design of pianos, harpsichords, spinets or similar stringed musical instruments with one or more keyboards
G10C 1/02 General design of pianos, harpsichords, spinets or similar stringed musical instruments with one or more keyboards of upright pianos
G10C 1/04 General design of pianos, harpsichords, spinets or similar stringed musical instruments with one or more keyboards of grand pianos
G10C 1/06 General design of pianos, harpsichords, spinets or similar stringed musical instruments with one or more keyboards of harpsichords, spinets or similar stringed musical instruments
G10C 3/00 PIANOS, HARPSICHORDS, SPINETS OR SIMILAR STRINGED MUSICAL INSTRUMENTS WITH ONE OR MORE KEYBOARDS - Details or accessories
G10C 3/02 Cases
G10C 3/04 Frames; Bridges; Bars
G10C 3/06 Resonating means, e.g. soundboards or resonant strings; Fastenings thereof
G10C 3/07 Strings
G10C 3/08 Arrangements thereof
G10C 3/10 Tuning pins; Tensioning devices
G10C 3/12 Keyboards; Keys
G10C 3/14 Keyboards; Keys for playing by the feet
G10C 3/16 Actions
G10C 3/18 Hammers
G10C 3/20 Actions involving the use of hydraulic, pneumatic or electromagnetic means
G10C 3/22 Actions specially adapted for grand pianos
G10C 3/23 Actions specially adapted for grand pianos with hammers mounted above the strings, striking downwards
G10C 3/24 Repetition [tremolo] mechanisms
G10C 3/26 Pedals or pedal mechanisms; Manually operated sound modification means
G10C 3/28 Transposing devices
G10C 3/30 Couplers, e.g. for playing octaves
G10C 3/103 Tuning pins; Tensioning devices the axis of the pins being parallel to the strings
G10C 3/106 Tuning pins; Tensioning devices the axis of the pins being perpendicular to the strings
G10C 3/161 Actions specially adapted for upright pianos
G10C 3/163 Actions specially adapted for upright pianos the action being mounted in a plane below the keyboard
G10C 3/165 Actions for plucking the strings
G10C 3/166 Actions for damping the strings
G10C 3/168 Actions with hanging jacks, i.e. jacks connected to hammer-butts or hammer-shanks
G10C 5/00 Combinations with other musical instruments, e.g. with bells or xylophones
G10C 5/10 Switching musical instruments to a keyboard, e.g. switching a piano mechanism or an electrophonic instrument to a keyboard; Switching musical instruments to a silent mode
G10C 9/00 Methods, tools or materials specially adapted for the manufacture or maintenance of musical instruments covered by this subclass