CPC technology class · G01

G01W - Meteorology

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

Compiled by PlainPatent · May 15, 2026

1,805
US patents granted: #17/18
in G01: 0.5%
G01 class share: +90%
5-yr velocity

The verdict

According to USPTO PatentsView, Meteorology ranks #379 of 670 CPC technology areas - 1,805 US patents granted since 2015, with recorded grant volume up 90% over five years.

#379
of 670 CPC technology areas: 1,805
US patents granted, 2015–2025: International Business…
leading assignee (121): +90%
grant velocity, last 5 yrs

How G01W's grant cadence moved

Between 2020–2024, G01W recorded 1,050 grants versus 553 in 2015–2019 (+90% equal-window velocity). Across complete years, output peaked in 2023 at 232 grants and bottomed in 2015 at 77 (+201% peak-over-trough). Lead assignee Climate LLC holds 2.0% of the class ; the top three share 4.5%.

Leaderboard read

G01W concentration, lead at 2.0%

Climate LLC leads this historical grant record at 2.0% of G01W - us corporation assignees hold 74% of class grants (434 of 587). Figures describe granted US utility patents in this CPC subclass, not current investment or legal strength.

Leader's share: 2.0%
Top three share: 4.5%
Lead over #2: 13

Where G01W sits inside G01

Among 18 subclasses in G01 (MEASURING; Testing), G01W ranks #17 and holds 0.5% of the parent class's 393,430 recorded grants. Sibling chips below are the other subclasses in the same parent class, not the nationwide volume/lead-share peers further down.

G01N 115,972 G01R 53,716 G01S 52,756 G01C 32,360 G01B 22,043 G01J 16,402 G01M 14,845 G01V 14,307

Rising assignees active in G01W

Company-wide grant multiples (2022–2024 vs 2019–2021) among assignees with ≥5 patents in this subclass. Growth is company-wide; class patent counts are subclass-specific.

#1 Project Canary, PBC 16x 2 → 31 company-wide · 5 in G01W
#2 National Institute OF Meteorological Sciences 12x 2 → 24 company-wide · 22 in G01W
#3 The Tomorrow Companies Inc. 9.00x 2 → 18 company-wide · 10 in G01W
#4 Korea Meteorological Administration 4.50x 2 → 9 company-wide · 10 in G01W
#5 ClimateAI, Inc. 2.00x 2 → 4 company-wide · 9 in G01W

G01W grants by year, peak 2023 (232)

US utility-patent grants per year in G01W, 2015–2025 - recent five years are up 90% versus 2015–2019.

Climate

36
Clean Power Research…

23
La Crosse Technology

23
National Institute Of…

22
Locator Ip

20
Picarro

14
Utopus Insights

12
Furuno Electric

11
Accuweather

11
Korea Meteorological…

10
The Tomorrow Companies

10
Dtn

10

What this shows International… 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.

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

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).

Classes near G01W's 1,805-grant footprint

Nationwide nearest neighbors for G01W (#379 of 670 by volume ; lead share 6.7%) - not the G01 parent-class siblings above.

Nearest by grant volume

B21J 1,805 B60D 1,802 A24B 1,799 A43C 1,793

Nearest by lead-assignee share

G09C 6.7% Y02T 6.7% A23D 6.7% G01Q 6.7%

Questions about G01W

Which company holds the most patents in G01W?

International Business Machines Corporation leads G01W with 121 patents (2.0% of the subclass). By PatentsView assignee type, us corporations account for 74% of class grants.

Which G01W assignees grew fastest recently?

Among assignees with ≥5 grants in G01W, Project Canary, PBC shows the highest company-wide grant multiple (16x: 2 grants in 2019–2021 → 31 in 2022–2024) while holding 5 patents in this subclass. Growth is company-wide, not class-only.

How does G01W compare inside parent class G01?

Inside G01 (MEASURING; Testing), G01W ranks #17 of 18 subclasses by grant volume and holds 0.5% of the parent class total. The largest sibling is G01N (115,972 grants).

What to do with this data

G01W in context - here's where to go next.

Climate LLC leads G01W with 36 grants in this class. See full portfolio
G01W ranks #379 of 670 by grant volume among all tracked CPC technology areas. See the ranking
Inside parent class G01, the largest sibling subclass is G01N with 115,972 grants. Explore G01N

Figures reflect USPTO PatentsView grant data through 2026-05-15; pending applications not yet granted are not counted.

Methodology - G01W figures are USPTO PatentsView granted-utility totals for this subclass (1,805 grants in the tracked window).

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.