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PCE
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DIFF Subgroup
G10C 3/16

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Introduced: September 1968

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IPC and CPC are identically structured here. All 8 subcodes exist in both systems.

1 shared codes have differing titles between IPC and CPC.

Child Classifications

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  • G10C 3/165 for plucking the strings since 2019 IPC+CPC Available in IPC and CPC
  • G10C 3/166 for damping the strings (G10C3/26 takes precedence) since 2019 IPC+CPC Available in IPC and CPC
  • G10C 3/168 with hanging jacks, i.e. jacks connected to hammer-butts or hammer-shanks since 2019 IPC+CPC Available in IPC and CPC
  • G10C 3/18 Hammers IPC+CPC Available in IPC and CPC
  • G10C 3/20 involving the use of hydraulic, pneumatic or electromagnetic means IPC+CPC Available in IPC and CPC
  • G10C 3/24 Repetition [tremolo] mechanisms IPC+CPC Available in IPC and CPC

Top Applicants

Top Applicants (IPC)

Class G10,2013–2023, worldwide · Source: EPO PATSTAT

  1. SAMSUNG ELECTRONICS COMPANY KR 5,218
  2. GOOGLE US 4,644
  3. FRAUNHOFER DE 4,601
  4. SONY CORPORATION JP 2,380
  5. HUAWEI TECHNOLOGIES COMPANY CN 2,179
  6. YAMAHA CORPORATION 2,120
  7. IBM (INTERNATIONAL BUSINESS MACHINES CORPORATION) US 1,974
  8. MICROSOFT TECHNOLOGY LICENSING US 1,916
  9. AMAZON TECHNOLOGIES US 1,866
  10. DOLBY LABORATORIES LICENSING CORPORATION US 1,843

Top Applicants (CPC)

Class G10,2013–2023, worldwide · Source: EPO PATSTAT

  1. SAMSUNG ELECTRONICS COMPANY KR 6,277
  2. GOOGLE US 5,429
  3. FRAUNHOFER DE 4,984
  4. SONY CORPORATION JP 2,808
  5. HUAWEI TECHNOLOGIES COMPANY CN 2,577
  6. MICROSOFT TECHNOLOGY LICENSING US 2,382
  7. DOLBY LABORATORIES LICENSING CORPORATION US 2,123
  8. QUALCOMM US 2,117
  9. IBM (INTERNATIONAL BUSINESS MACHINES CORPORATION) US 2,049
  10. AMAZON TECHNOLOGIES US 1,924