G01S 15/58 Velocity or trajectory determination systems; Sense-of-movement determination systems
Introduced: January 1980
Last revised: January 2006
Full Title
Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems > using reflection of acoustic waves > Systems of measurement based on relative movement of target > Velocity or trajectory determination systems; Sense-of-movement determination systems
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 15/58 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
2 direct subcodes
Child Classifications
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- G01S 15/6 wherein the transmitter and receiver are mounted on the moving object, e.g. for determining ground speed, drift angle, ground track
- G01S 15/62 Sense-of-movement determination
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