CPC Subgroup
G10C 3/16 Actions
Full Title
Details or accessories > Actions
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 (G10C3/26 takes precedence)
- G10C 3/168 with hanging jacks, i.e. jacks connected to hammer-butts or hammer-shanks
- G10C 3/18 Hammers
- G10C 3/20 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 6,277
- GOOGLE US 5,429
- FRAUNHOFER DE 4,984
- SONY CORPORATION JP 2,808
- HUAWEI TECHNOLOGIES COMPANY CN 2,577
- MICROSOFT TECHNOLOGY LICENSING US 2,382
- DOLBY LABORATORIES LICENSING CORPORATION US 2,123
- QUALCOMM US 2,117
- IBM (INTERNATIONAL BUSINESS MACHINES CORPORATION) US 2,049
- AMAZON TECHNOLOGIES US 1,924