IPC Subgroup
G10C 3/16 Actions
Introduced: September 1968
Last revised: January 2019
Full Title
Details or accessories > Actions
Classification Context
- Section:
- PHYSICS
- Class:
- MUSICAL INSTRUMENTS; ACOUSTICS
- Subclass:
- PIANOS, HARPSICHORDS, SPINETS OR SIMILAR STRINGED MUSICAL INSTRUMENTS WITH ONE OR MORE KEYBOARDS
8 direct subcodes
Child Classifications
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- G10C 3/161 specially adapted for upright pianos
- G10C 3/165 for plucking the strings
- G10C 3/166 for damping the strings
- G10C 3/168 with hanging jacks, i.e. jacks connected to hammer-butts or hammer-shanks
- G10C 3/18 Hammers
- G10C 3/2 involving the use of hydraulic, pneumatic or electromagnetic means
- G10C 3/22 specially adapted for grand pianos
- G10C 3/24 Repetition [tremolo] mechanisms
Top Applicants
Top 10 applicants by patent filingsfor class G10, 2013–2023, worldwide · Source: EPO PATSTAT
- SAMSUNG ELECTRONICS COMPANY KR 5,218
- GOOGLE US 4,644
- FRAUNHOFER DE 4,601
- SONY CORPORATION JP 2,380
- HUAWEI TECHNOLOGIES COMPANY CN 2,179
- YAMAHA CORPORATION 2,120
- IBM (INTERNATIONAL BUSINESS MACHINES CORPORATION) US 1,974
- MICROSOFT TECHNOLOGY LICENSING US 1,916
- AMAZON TECHNOLOGIES US 1,866
- DOLBY LABORATORIES LICENSING CORPORATION US 1,843