PlainPatent

CPC technology class · F02

F02M - Supplying Combustion Engines IN General WITH Combustible…

Supplying combustion engines in general with combustible mixtures or constituents thereof. 13,937 US utility patents granted 2015–2025, with the leading assignees and year-by-year filing trajectory.

13,937
US patents granted
F02
Parent CPC class
20
Active assignees
-23%
5-yr velocity

The verdict

Supplying Combustion Engines IN General WITH Combustible… ranks #139 of 670 CPC technology areas - 13,937 US patents granted since 2015, with filing down 23% over five years.

#139
of 670 CPC technology areas
13,937
US patents granted, 2015–2025
Ford Global
leading assignee (1,451)
-23%
filing velocity, last 5 yrs
Top assignee: Ford Global Technologies, Llc (1,451 patents)

CPC subclass F02M - SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF - covers 13,937 US utility patents granted between 2015 and 2025 according to USPTO PatentsView records, within the broader CPC class F02 (COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS). See our CPC classification guide for how the system works.

The competitive landscape in F02M is shaped by 20 distinct companies actively filing in this space. Ford Global Technologies, Llc leads with 1,451 patents, followed by Denso Corporation at 561 grants and Caterpillar Inc. at 474.

Filing activity in F02M is down 23% over the past five years versus 2015-2019, a notable slowdown that may signal a maturing field. All counts come directly from USPTO PatentsView and reflect US granted utility patents only.

Is F02M innovation accelerating?

US utility-patent grants per year in F02M, 2015–2025 - recent five years are down 23% versus 2015–2019.

05001,0001,5002,000 20152016201720182019202020212022202320242025 371

Who leads F02M?

The 12 most active assignees in SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF - wider bars mean more grants

patents

What this shows Ford Global is the most active filer in F02M, holding 1,451 of the 13,937 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 F02M
Rank Company Patents in F02M
#1 Ford Global Technologies, Llc 1,451
#2 Denso Corporation 561
#3 Caterpillar Inc. 474
#4 Hyundai Motor Company 471
#5 Robert Bosch Gmbh 465
#6 GM Global Technology Operations Llc 320
#7 Continental Automotive Gmbh 291
#8 KIA Motors Corporation 277
#9 Cummins Inc. 268
#10 Mann+hummel Gmbh 265
#11 Aisan Kogyo Kabushiki Kaisha 245
#12 Mazda Motor Corporation 192
#13 Hitachi Automotive Systems, Ltd. 186
#14 Delphi Technologies IP Limited 129
#15 Mahle International Gmbh 122
#16 Volvo Truck Corporation 117
#17 Vitesco Technologies Gmbh 114
#18 Cummins Filtration IP, Inc. 108
#19 Donaldson Company, Inc. 106
#20 Yamaha Hatsudoki Kabushiki Kaisha 76

About This Class

CPC subclass F02M belongs to class F02.

13,937 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 F02M 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 F02M assignees by class footprint. Bubble size = patents in F02M. Source: USPTO PatentsView (claim depth is company-wide across all classes).

Top 14 F02M assignees by class footprint. Bubble size = patents in F02M. Source: USPTO PatentsView (claim depth is company-wide across all classes). Scatter plot of 14 data points (bubble-sized by third dimension). 5101520 0500100015002000 Patents in F02M Avg claims / patent (company-wide) Ford GlobalDensoCaterpillarHyundai MotorRobert BoschGm Global Technology…Continental AutomotiveKia MotorsCumminsMann+HummelAisan KogyoMazda MotorHitachi Automotive Sy…Delphi Ip
Top 14 F02M assignees by class footprint. Bubble size = patents in F02M. Source: USPTO PatentsView (claim depth is company-wide across all classes).

Frequently Asked Questions

What is CPC class F02M?
CPC subclass F02M covers SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF. It belongs to CPC class F02 (COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS), with 13,937 US utility patents granted since 2015.
How many patents have been filed in F02M?
13,937 US utility patents were granted in CPC subclass F02M between 2015 and 2025, based on USPTO PatentsView data.
Which company holds the most patents in F02M?
Ford Global Technologies, Llc leads F02M with 1,451 patents, making it the most active assignee in this technology area.
How is patent data for F02M 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., F02) is a broad technology category. Subclasses like F02M 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.