CPC Main Group
G10K 11/00 Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
Filing statistics
CPC G10K 11/00 belongs to the parent subclass G10K, which recorded 42,414 patent applications worldwide between 2013 and 2023. Annual filings grew from 2,454 in 2013 to 3,826 in 2023 (+56%), peaking at 4,993 applications in 2020. The most active applicants in class G10 are SAMSUNG ELECTRONICS COMPANY (6,277 applications), GOOGLE (5,429 applications) and FRAUNHOFER (4,984 applications).
Source: EPO PATSTAT, worldwide filings
7 direct subcodes
Child Classifications
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- G10K 11/02 Mechanical acoustic impedances; Impedance matching, e.g. by horns; Acoustic resonators
- G10K 11/08 Non-electric sound-amplifying devices, e.g. non-electric megaphones (amplifying by horns G10K11/02; amplifying by focusing G10K11/26)
- G10K 11/16 Methods or devices for protecting against, or for damping, noise or other acoustic waves in general (G10K11/36 takes precedence)
- G10K 11/18 Methods or devices for transmitting, conducting or directing sound (G10K11/02, G10K11/36 take precedence)
- G10K 11/36 Devices for manipulating acoustic surface waves (electro-acoustic amplifiers H03F13/00; networks comprising electro-acoustic elements H03H9/00)
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