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
Introduced: January 1980
Last revised: January 2006
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
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
IPC G01S 13/00 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
6 direct subcodes
Child Classifications
Navigate with arrow keys, Enter to open
- 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
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