PlainPatent

CPC technology class · G01

G01W - Meteorology

Meteorology. 1,805 US utility patents granted 2015–2025, with the leading assignees and year-by-year filing trajectory.

1,805
US patents granted
G01
Parent CPC class
20
Active assignees
+115%
5-yr velocity

The verdict

Meteorology ranks #378 of 670 CPC technology areas - 1,805 US patents granted since 2015, with filing up 115% over five years.

#378
of 670 CPC technology areas
1,805
US patents granted, 2015–2025
International Busines…
leading assignee (121)
+115%
filing velocity, last 5 yrs
Top assignee: International Business Machines Corporation (121 patents)

CPC subclass G01W - METEOROLOGY - covers 1,805 US utility patents granted between 2015 and 2025 according to USPTO PatentsView records, within the broader CPC class G01 (MEASURING; TESTING). See our CPC classification guide for how the system works.

The competitive landscape in G01W is shaped by 20 distinct companies actively filing in this space. International Business Machines Corporation leads with 121 patents, followed by Clean Power Research, L.l.c. at 23 grants and La Crosse Technology Ltd. at 23.

Filing activity in G01W is up 115% over the past five years versus 2015-2019, a sharp acceleration suggesting an emerging or fast-moving technology area. All counts come directly from USPTO PatentsView and reflect US granted utility patents only.

Is G01W innovation accelerating?

US utility-patent grants per year in G01W, 2015–2025 - recent five years are up 115% versus 2015–2019.

50100150200250 20152016201720182019202020212022202320242025 139

Who leads G01W?

The 12 most active assignees in METEOROLOGY - wider bars mean more grants

patents

What this shows International Busines… is the most active filer in G01W, holding 121 of the 1,805 patents in this class. Concentration at the top signals how contestable this technology area is for new entrants.

Source USPTO PatentsView, granted utility patents As of 2015–2025 grant years
View data table
Top patent holders in CPC subclass G01W
Rank Company Patents in G01W
#1 Climate Llc 36
#2 Clean Power Research, L.l.c. 23
#3 La Crosse Technology Ltd. 23
#4 National Institute OF Meteorological Sciences 22
#5 Locator IP, L.p. 20
#6 Picarro, Inc. 14
#7 Utopus Insights, Inc. 12
#8 Furuno Electric Company Limited 11
#9 Accuweather, Inc. 11
#10 Korea Meteorological Administration 10
#11 The Tomorrow Companies Inc. 10
#12 DTN, Llc 10
#13 Intercontinental Exchange Holdings, Inc. 9
#14 Vaisala OYJ 9
#15 Northstar Battery Company, Llc 9
#16 Climateai, Inc. 9
#17 Rain Bird Corporation 8
#18 Nextnav, Llc 8
#19 Vaisala, Inc. 8
#20 Fortinet, Inc. 7

About This Class

CPC subclass G01W belongs to class G01.

1,805 patents were granted in this class between 2015 and 2025.

20 companies actively patent in this space.

Classification System

Cooperative Patent Classification (CPC) is a hierarchical patent classification system used by the USPTO and EPO.

← All Technology Classes Technology Rankings →

Footprint here vs. claim strategy

Each dot is a leading G01W assignee, placed by how many patents it holds in this class (horizontal) against its company-wide average claims per patent (vertical) - a read on whether the class is led by broad-but-shallow filers or focused deep-claim players.

Top 14 G01W assignees by class footprint. Bubble size = patents in G01W. Source: USPTO PatentsView (claim depth is company-wide across all classes).

Top 14 G01W assignees by class footprint. Bubble size = patents in G01W. Source: USPTO PatentsView (claim depth is company-wide across all classes). Scatter plot of 14 data points (bubble-sized by third dimension). 51015202530 010203040 Patents in G01W Avg claims / patent (company-wide) ClimateClean Power Research…La Crosse TechnologyNational Institute Of…Locator IpPicarroUtopus InsightsFuruno ElectricAccuweatherKorea Meteorological…The Tomorrow CompaniesDtnIntercontinental Exch…Vaisala Oyj
Top 14 G01W assignees by class footprint. Bubble size = patents in G01W. Source: USPTO PatentsView (claim depth is company-wide across all classes).

Frequently Asked Questions

What is CPC class G01W?
CPC subclass G01W covers METEOROLOGY. It belongs to CPC class G01 (MEASURING; TESTING), with 1,805 US utility patents granted since 2015.
How many patents have been filed in G01W?
1,805 US utility patents were granted in CPC subclass G01W between 2015 and 2025, based on USPTO PatentsView data.
Which company holds the most patents in G01W?
International Business Machines Corporation leads G01W with 121 patents, making it the most active assignee in this technology area.
How is patent data for G01W collected?
Patent data comes from USPTO PatentsView, a public research dataset maintained by the United States Patent and Trademark Office. It covers all US granted utility patents and assigns CPC codes based on the technology described in each patent.
What is the difference between CPC class and subclass?
A CPC class (e.g., G01) is a broad technology category. Subclasses like G01W provide finer granularity within that category. PlainPatent organizes data at the subclass level (4-character codes) for the most useful view of technology domains.

Read our methodology - how this data is sourced, computed, and verified.

Data sourced from USPTO PatentsView - official U.S. government patent data. See our methodology for computation details. Retrieved and formatted by PlainPatent Editorial

Every figure on PlainPatent is rendered directly from USPTO source data, no number is typed in by an editor. This page draws directly on USPTO source data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.