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CPC technology class · F02

F02C - Gas-turbine Plants

Gas-turbine plants; air intakes for jet-propulsion plants; controlling fuel supply in air-breathing jet-propulsion plants. 16,237 US utility patents granted 2015–2025, with the leading assignees and year-by-year grant trajectory.

16,237
US patents granted
#2/9
in F02
22.1%
F02 class share
+32%
5-yr velocity

The verdict

According to USPTO PatentsView, Gas-turbine Plants ranks #117 of 670 CPC technology areas - 16,237 US patents granted since 2015, with recorded grant volume up 32% over five years.

#117
of 670 CPC technology areas
16,237
US patents granted, 2015–2025
General Electric
leading assignee (2,381)
+32%
grant velocity, last 5 yrs

How F02C's grant cadence moved

Between 2020–2024, F02C recorded 8,306 grants versus 6,316 in 2015–2019 (+32% equal-window velocity). Across complete years, output peaked in 2020 at 1,961 grants and bottomed in 2015 at 857 (+129% peak-over-trough). Lead assignee General Electric Company holds 14.7% of the class ; the top three share 31.2%.

Leaderboard read

F02C concentration, lead at 14.7%

General Electric Company leads this historical grant record at 14.7% of F02C - us corporation assignees hold 62% of class grants (8,777 of 14,184). Figures describe granted US utility patents in this CPC subclass, not current investment or legal strength.

Leader's share
14.7%

2,381 of 16,237 grants

Top three share
31.2%

of the class's recorded grants

Lead over #2
782

more grants than United Technologies Corporation

Where F02C sits inside F02

Among 9 subclasses in F02 (Combustion ENGINES; Hot-gas OR Combustion-product Engine Plants), F02C ranks #2 and holds 22.1% of the parent class's 73,441 recorded grants. Sibling chips below are the other subclasses in the same parent class, not the nationwide volume/lead-share peers further down.

F02D 16,949 F02M 13,937 F02B 11,001 F02K 5,533 F02N 3,467 F02P 2,762 F02F 2,743 F02G 812

Rising assignees active in F02C

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. #1 RTX Corporation 662x 0 → 662 company-wide · 500 in F02C
  2. #2 Doosan Enerbility Co., Ltd. 121x 0 → 121 company-wide · 38 in F02C
  3. #3 GE Infrastructure Technology LLC 80x 2 → 160 company-wide · 54 in F02C
  4. #4 Collins Engine Nozzles, Inc. 74x 0 → 74 company-wide · 51 in F02C
  5. #5 Oliver Crispin Robotics Limited 28x 0 → 28 company-wide · 8 in F02C

F02C grants by year, peak 2020 (1,961)

US utility-patent grants per year in F02C, 2015–2025 - recent five years are up 32% versus 2015–2019.

5001,0001,5002,0002,500 20152016201720182019202020212022202320242025 1,096

Who leads F02C?

The 12 most active assignees in Gas-turbine PLANTS; AIR Intakes FOR Jet-propulsion PLANTS; Controlling Fuel Supply IN Air-breathing Jet-propulsion Plants - wider bars mean more grants

patents

What this shows General Electric is the most active filer in F02C, holding 2,381 of the 16,237 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 F02C
Rank Company Patents in F02C
#1 General Electric Company 2,381
#2 United Technologies Corporation 1,599
#3 Raytheon Technologies Corporation 1,085
#4 Pratt & Whitney Canada Corp. 958
#5 Rolls-royce plc 886
#6 Safran Aircraft Engines 592
#7 Hamilton Sundstrand Corporation (HSC) 545
#8 RTX Corporation 500
#9 Rolls-Royce North American Technologies Inc. 301
#10 Rolls-Royce Corporation 287
#11 Honeywell International Inc. 262
#12 Rolls-royce Deutschland Ltd & Co KG 242
#13 Snecma 220
#14 Airbus Operations SAS 207
#15 Mitsubishi Hitachi Power Systems, Ltd. 198
#16 Rohr, Inc. 148
#17 BorgWarner Inc. 139
#18 Safran Transmission Systems 121
#19 GE Avio S.R.L. 119
#20 Mitsubishi Power, Ltd. 102

Footprint here vs. claim strategy

Each dot is a leading F02C 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 F02C assignees by class footprint. Bubble size = patents in F02C. Source: USPTO PatentsView (claim depth is company-wide across all classes). Scatter plot of 14 data points (bubble-sized by third dimension). 1012141618 05001000150020002500 Patents in F02C Avg claims / patent (company-wide) General ElectricUnitedRaytheonPratt & Whitney CanadaRolls-royceSafran Aircraft…Hamilton Sundstrand…RtxRolls-royce North…Rolls-royceHoneywell Internationa…Rolls-royce Deutschlan…SnecmaAirbus Operations Sas
Top 14 F02C assignees by class footprint. Bubble size = patents in F02C. Source: USPTO PatentsView (claim depth is company-wide across all classes).

Classes near F02C's 16,237-grant footprint

Nationwide nearest neighbors for F02C (#117 of 670 by volume ; lead share 14.7%) - not the F02 parent-class siblings above.

Nearest by grant volume

C22C 16,292 F04D 16,174 G01J 16,402 H02P 16,031

Nearest by lead-assignee share

F02N 14.7% B62J 14.6% F25J 14.8% B63H 14.5%

Questions about F02C

Which company holds the most patents in F02C?
General Electric Company leads F02C with 2,381 patents (14.7% of the subclass). By PatentsView assignee type, us corporations account for 62% of class grants.
Which F02C assignees grew fastest recently?
Among assignees with ≥5 grants in F02C, RTX Corporation shows the highest company-wide grant multiple (662x: 0 grants in 2019–2021 → 662 in 2022–2024) while holding 500 patents in this subclass. Growth is company-wide, not class-only.
How does F02C compare inside parent class F02?
Inside F02 (Combustion ENGINES; Hot-gas OR Combustion-product Engine Plants), F02C ranks #2 of 9 subclasses by grant volume and holds 22.1% of the parent class total. The largest sibling is F02D (16,949 grants).

What to do with this data

F02C in context - here's where to go next.

  • General Electric Company leads F02C with 2,381 grants in this class. See full portfolio
  • F02C ranks #117 of 670 by grant volume among all tracked CPC technology areas. See the ranking
  • Inside parent class F02, the largest sibling subclass is F02D with 16,949 grants. Explore F02D

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

Methodology - F02C figures are USPTO PatentsView granted-utility totals for this subclass (16,237 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.