IPC Main Group
G01S 15/00 Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
Introduced: January 1980
Last revised: January 2020
Classification Context
- Section:
- PHYSICS
- Class:
- MEASURING; TESTING
- Subclass:
- RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
Filing statistics
IPC G01S 15/00 belongs to the parent subclass G01S, which recorded 358,214 patent applications worldwide between 2013 and 2023. Annual filings grew from 14,936 in 2013 to 42,439 in 2023 (+184%), peaking at 45,682 applications in 2022. The most active applicants in class G01 are SGCC(STATE GRID CORPORATION OF CHINA) (41,447 applications), CHINESE ACADEMY OF SCIENCES (32,952 applications) and ROBERT BOSCH (16,470 applications).
Source: EPO PATSTAT, worldwide filings
Related Keywords
using DOPPLER in traffic control systemsECHO soundingSONAR systemsTRACKING by sonar techniques
6 direct subcodes
Child Classifications
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- G01S 15/02 using reflection of acoustic waves
- G01S 15/66 Sonar tracking systems
- G01S 15/74 Systems using reradiation of acoustic waves, e.g. IFF, i.e. identification of friend or foe
- G01S 15/86 Combinations of sonar systems with lidar systems; Combinations of sonar systems with systems not using wave reflection
- G01S 15/87 Combinations of sonar systems
- G01S 15/88 Sonar systems specially adapted for specific applications
Top Applicants
Top 10 applicants by patent filingsfor class G01, 2013–2023, worldwide · Source: EPO PATSTAT
- SGCC(STATE GRID CORPORATION OF CHINA) 41,447
- CHINESE ACADEMY OF SCIENCES 32,952
- ROBERT BOSCH DE 16,470
- SAMSUNG ELECTRONICS COMPANY KR 10,052
- SINOPEC (CHINA PETROCHEMICAL CORPORATION) 9,573
- ZHEJIANG UNIVERSITY 9,529
- GUANGDONG POWER GRID CORPORATION 8,615
- TSINGHUA UNIVERSITY 7,805
- HALLIBURTON ENERGY SERVICES GROUP US 7,796
- QUALCOMM US 7,171