IPC Classification

Class code (prefix) Descriptions Number of results
G01W 1/00 Meteorology
G01W 1/02 Instruments for indicating weather conditions by measuring two or more variables, e.g. humidity, pressure, temperature, cloud cover or wind speed
G01W 1/04 Instruments for indicating weather conditions by measuring two or more variables, e.g. humidity, pressure, temperature, cloud cover or wind speed giving only separate indications of the variables measured
G01W 1/06 Instruments for indicating weather conditions by measuring two or more variables, e.g. humidity, pressure, temperature, cloud cover or wind speed giving a combined indication of weather conditions
G01W 1/08 Adaptations of balloons, missiles, or aircraft for meteorological purposes; Radiosondes
G01W 1/10 Devices for predicting weather conditions
G01W 1/11 Devices for indicating atmospheric humidity
G01W 1/12 Sunshine-duration recorders
G01W 1/14 Rainfall or precipitation gauges
G01W 1/16 Measuring atmospheric potential differences, e.g. due to electrical charges in clouds
G01W 1/17 Catathermometers for measuring "cooling value" related either to weather conditions or to comfort of other human environment
G01W 1/18 Testing or calibrating meteorological apparatus