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IPC Subclass
G01W

METEOROLOGY

Introduced: September 1968

Classification Context

Section:
PHYSICS
Class:
MEASURING; TESTING
Subclass:
METEOROLOGY

Description

G01W covers instruments and methods for measuring meteorological phenomena and atmospheric conditions. This includes devices for measuring temperature, humidity, atmospheric pressure, wind speed and direction, precipitation, cloud formation, and other weather-related parameters. The classification encompasses weather stations, radiosondes, barometers, anemometers, rain gauges, and associated data collection systems used in meteorological observation and forecasting. Applications extend from basic weather monitoring to climate research and atmospheric science studies.

Filing statistics

IPC subclass G01W recorded 24,435 patent applications worldwide between 2013 and 2023. Annual filings grew from 945 in 2013 to 3,604 in 2023 (+281%). 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

Additional Content

Glossary

Meteorology includes measurement of certain ambient atmospheric conditions

Limiting references

Radar, sonar, lidar or analogous systems, designed for meteorological use , ,

Related Keywords

combined with meteorological apparatus

1 direct subcode

Child Classifications

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Top Applicants

Top 10 applicants by patent filingsfor class G01, 2013–2023, worldwide · Source: EPO PATSTAT

  1. SGCC(STATE GRID CORPORATION OF CHINA) 41,447
  2. CHINESE ACADEMY OF SCIENCES 32,952
  3. ROBERT BOSCH DE 16,470
  4. SAMSUNG ELECTRONICS COMPANY KR 10,052
  5. SINOPEC (CHINA PETROCHEMICAL CORPORATION) 9,573
  6. ZHEJIANG UNIVERSITY 9,529
  7. GUANGDONG POWER GRID CORPORATION 8,615
  8. TSINGHUA UNIVERSITY 7,805
  9. HALLIBURTON ENERGY SERVICES GROUP US 7,796
  10. QUALCOMM US 7,171