IPC Subgroup
G10K 11/18 Methods or devices for transmitting, conducting or directing sound
Introduced: January 1980
Last revised: January 2006
Full Title
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 > Methods or devices for transmitting, conducting or directing sound
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
Additional Content
Limiting references
Mechanical acoustic impedances; Impedance matching, e.g. by horns; Acoustic resonators Devices for manipulating acoustic surface waves
Application references
Medical stethoscopes
4 direct subcodes
Child Classifications
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- G10K 11/2 Reflecting arrangements
- G10K 11/22 for conducting sound through hollow pipes, e.g. speaking tubes
- G10K 11/24 for conducting sound through solid bodies, e.g. wires
- G10K 11/26 Sound-focusing or directing, e.g. scanning
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