G01S 13/00 Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
Description
G01S13/00 is the main group for systems that use the reflection or reradiation of radio waves to determine position, distance, velocity or presence of objects, i.e. radar systems, together with analogous systems whose wave nature is irrelevant or unspecified. It covers pulse, continuous-wave and frequency-modulated radar, secondary radar with transponders, and moving-target indication. Application fields range from air traffic control and marine navigation to automotive driver assistance and ground-penetrating survey. Analogous systems using acoustic or optical waves are classified in G01S15/00 and G01S17/00.
Filing statistics
CPC G01S 13/00 belongs to the parent subclass G01S, which recorded 347,271 patent applications worldwide between 2013 and 2023. Annual filings grew from 14,634 in 2013 to 37,046 in 2023 (+153%), peaking at 43,431 applications in 2021. The most active applicants in class G01 are CHINESE ACADEMY OF SCIENCES (21,460 applications), ROBERT BOSCH (17,801 applications) and SGCC(STATE GRID CORPORATION OF CHINA) (17,347 applications).
Source: EPO PATSTAT, worldwide filings
8 direct subcodes
Child Classifications
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- G01S 13/02 Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
- G01S 13/66 Radar-tracking systems; Analogous systems
- G01S 13/74 Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems
- G01S 13/86 Combinations of radar systems with non-radar systems, e.g. sonar, direction finder
- G01S 13/87 Combinations of radar systems, e.g. primary radar and secondary radar
- G01S 13/88 Radar or analogous systems specially adapted for specific applications (electromagnetic prospecting or detecting of objects, e.g. near-field detection, G01V3/00)
Top Applicants
Top 10 applicants by patent filingsfor class G01, 2013–2023, worldwide · Source: EPO PATSTAT
- CHINESE ACADEMY OF SCIENCES 21,460
- ROBERT BOSCH DE 17,801
- SGCC(STATE GRID CORPORATION OF CHINA) 17,347
- SAMSUNG ELECTRONICS COMPANY KR 13,192
- QUALCOMM US 9,900
- HALLIBURTON ENERGY SERVICES GROUP US 9,742
- PHILIPS ELECTRONICS NL 7,249
- MITSUBISHI ELECTRIC CORPORATION JP 6,503
- ZHEJIANG UNIVERSITY 6,414
- DENSO CORPORATION JP 6,382