CPC Definition - Subclass G01W

Last Updated Version: 2019.01
METEOROLOGY (influencing weather conditions A01G 15/00; dispersing fog E01H 13/00; instruments for measuring single variable in general, see the appropriate subclass of G01, e.g. G01K, G01L; obtaining meteorological information by radar G01S 13/95)
Definition statement

This place covers:

Measurement of certain ambient atmospheric conditions.

Adaptations of balloons, missiles, or aircrafts for meteorological purposes.

Radiosondes.

Devices for predicting weather conditions.

Weather houses or similar ornamental devices for indicating humidity.

Sunshine-duration recorders.

Rainfall or precipitation gauges.

Measuring atmospheric potential differences, e.g. due to electrical charges in clouds.

Catathermometers for measuring "cooling value" related either to weather conditions or to comfort of other human environment.

Testing or calibrating meteorological apparatus.

Relationships with other classification places

Instruments for measuring single physical variables, e.g. temperature, pressure or wind speed, should be classified in the appropriate subclasses of class G01, e.g. G01K, G01L or G01P whereas G01W should be used for the classification of instruments specializing or combining those measurements for the purpose of deducing, indicating or forecasting weather conditions or meteorological information.

References
Limiting references

This place does not cover:

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

G01S 13/95, G01S 15/88, G01S 17/95

Informative references

Attention is drawn to the following places, which may be of interest for search:

Influencing weather conditions in horticulture, cultivation, forestry or watering

A01G 15/00

Control of watering for watering gardens, fields and sports grounds

A01G 25/16

Heating, cooling or ventilating devices in vehicles

B60H 1/00

Balloons in general

B64B 1/40

De-icing of aircrafts with automatic initiation by icing detector

B64D 15/20

Arrangements of road signs to signal icy roads road or to self-illuminate in fog

E01F 9/40

Dispersing fog in general, e.g. on roads or on airfields

E01H 13/00

Self-propelled or guided missiles for carrying measuring instruments

F42B 15/08

Measuring volume

G01F

Measuring intensity of sunshine

G01J 1/00, G01J 5/00

Measuring temperature

G01K

Measuring pressure

G01L 7/00- G01L 15/00

Measuring humidity, e.g. hygrometers

G01N, G01N 19/10

Investigating or analysing gaseous mixtures, e.g. polluted air

G01N 33/0004

Measuring speed of fluids, e.g. wind speed

G01P 5/00

Indicating direction of fluid movement, e.g. by weather vane

G01P 13/02

Measuring potential differences

G01R 19/00, G01R 29/00

File Format Conversion

G06F 16/1794

Geographical information databases

G06F 16/29

Alarms responsive to formation or anticipated formation of ice

G08B 19/02

Alarms responsive to calamitous events, e.g. tornados

G08B 21/10

Transmission systems for measured values

G08C

Systems involving transmission of highway information, e.g. weather

G08G 1/0967

Traffic control systems for aircraft with surveillance aids for monitoring atmospheric conditions

G08G 5/0091

Arrangements in telecontrol or telemetry systems for selectively calling a substation from a main station

H04Q 9/00

Special rules of classification

The following elements are classified in the appropriate subgroup of G01W, and are given the following Indexing Codes as additional information:

Weather detection, monitoring and forecasting for establishing global warming

G01W 2201/00

Real-time site-specific personalized weather information, e.g. nowcasting

G01W 2203/00

Glossary of terms

In this place, the following terms or expressions are used with the meaning indicated:

Meteorology

includes measurement of certain ambient atmospheric conditions

Synonyms and Keywords

In patent documents, the following abbreviations are often used:

CAT

Clear Air Turbulence

Meteorology
Special rules of classification

This group also contains the following elements, in which case the indicated Indexing Code needs to be given as additional information:

Clear air turbulence (CAT) detection and/or forecasting, e.g. for aircrafts

G01W 2001/003

Main server receiving weather information from several sub-stations

G01W 2001/006

Instruments for indicating weather conditions by measuring two or more variables, e.g. humidity, pressure, temperature, cloud cover, wind speed (G01W 1/10 takes precedence)
References
Limiting references

This place does not cover:

Devices for predicting weather conditions

G01W 1/10

giving a combined indication of weather conditions (catathermometers for measuring "cooling value" related either to weather conditions or to comfort of other human environment G01W 1/17; computers per se G06)
References
Limiting references

This place does not cover:

Catathermometers for measuring "cooling value" related to either weather conditions or to comfort of other human environment

G01W 1/17

Informative references

Attention is drawn to the following places, which may be of interest for search:

Computers per se

G06F

Adaptations of balloons, missiles, or aircraft for meteorological purposes; Radiosondes (transmission of measurements G01D; transmitting circuits H04B; {balloons in general B64B; aeroplanes in general B64D; missiles in general F42B 15/00})
References
Informative references

Attention is drawn to the following places, which may be of interest for search:

Self-propelled projectiles or missiles for carrying measuring instruments

F42B 15/08

Transmission systems for measured values

G08C

Sunshine duration recorders (measuring intensity of sunshine G01J)
References
Informative references

Attention is drawn to the following places, which may be of interest for search:

Solar radiation detection for vehicle heating, cooling or ventilation

B60H 1/0075

Measuring intensity of sunshine

G01J 1/00, G01J 5/00

Rainfall or precipitation gauges (measuring volume in general G01F)
References
Limiting references

This place does not cover:

Rain sensors for cleaning of vehicles, e.g. window wiper control

B60S 1/0818

Informative references

Attention is drawn to the following places, which may be of interest for search:

Measuring volume in general

G01F

Measuring atmospheric potential differences, e.g. due to electrical charges in clouds (measuring potentiels in general G01R)
References
Informative references

Attention is drawn to the following places, which may be of interest for search:

Measuring potential differences in general

G01R 19/00, G01R 29/00, G01R 29/0842

Installations of lightning conductors

H02G 13/00

Catathermometers for measuring "cooling value" related either to weather conditions or to comfort of other human environment
References
Informative references

Attention is drawn to the following places, which may be of interest for search:

Electric circuits for transmission of signals between vehicle parts or subsystems concerning the atmospheric environment

B60R 16/0237