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IPC Main Group
G10K 9/00

Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers

Introduced: September 1968

Last revised: January 2006

Classification Context

Section:
PHYSICS
Class:
MUSICAL INSTRUMENTS; ACOUSTICS
Subclass:
SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR

Filing statistics

IPC G10K 9/00 belongs to the parent subclass G10K, which recorded 54,920 patent applications worldwide between 2013 and 2023. Annual filings grew from 2,659 in 2013 to 6,088 in 2023 (+129%), peaking at 8,272 applications in 2020. The most active applicants in class G10 are SAMSUNG ELECTRONICS COMPANY (5,218 applications), GOOGLE (4,644 applications) and FRAUNHOFER (4,601 applications).

Source: EPO PATSTAT, worldwide filings

Related Keywords

BUZZERSFOG hornsHOOTERSacoustic HORN(S)TRUMPETS for directive sound transmission

5 direct subcodes

Child Classifications

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  • G10K 9/08 driven by water or other liquids
  • G10K 9/1 driven by mechanical means only

Top Applicants

Top 10 applicants by patent filingsfor 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