IPC Subgroup
G01S 7/52 of systems according to group
Introduced: September 1968
Last revised: January 2006
Full Title
Details of systems according to groups , , > of systems according to group
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
Related Keywords
SONAR systems
8 direct subcodes
Child Classifications
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- G01S 7/521 Constructional features
- G01S 7/523 Details of pulse systems
- G01S 7/534 Details of non-pulse systems
- G01S 7/537 Counter measures or counter-counter-measures, e.g. jamming, anti-jamming
- G01S 7/539 using analysis of echo signal for target characterisation; Target signature; Target cross-section
- G01S 7/54 with receivers spaced apart
- G01S 7/56 Display arrangements
- G01S 7/64 Luminous indications
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