CPC technology class · B25

B25F - Combination OR Multi-purpose Tools

Combination or multi-purpose tools not otherwise provided for; details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for. 3,594 US utility patents granted 2015–2025, with the leading assignees and year-by-year filing trajectory.

Compiled byPlainPatent Editorial, US Patent Intelligence Editorial Team · May 15, 2026

3,594
US patents granted: B25
Parent CPC class: 20
Active assignees: +74%
5-yr velocity

The verdict

Combination OR Multi-purpose Tools ranks #293 of 670 CPC technology areas - 3,594 US patents granted since 2015, with filing up 74% over five years.

#293
of 670 CPC technology areas: 3,594
US patents granted, 2015–2025: Makita
leading assignee (456): +74%
filing velocity, last 5 yrs

Top assignee: Makita Corporation (456 patents)

CPC subclass B25F - COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR - covers 3,594 US utility patents granted between 2015 and 2025 according to USPTO PatentsView records, within the broader CPC class B25 (HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS). See our CPC classification guide for how the system works.

The competitive landscape in B25F is shaped by 20 distinct companies actively filing in this space. Makita Corporation leads with 456 patents, followed by Milwaukee Electric Tool Corporation at 415 grants and Black & Decker Inc. at 396.

Filing activity in B25F is up 74% 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 B25F innovation accelerating?

US utility-patent grants per year in B25F, 2015–2025 - recent five years are up 74% versus 2015–2019.

Makita

456
Milwaukee Electric To…

415
Black & Decker

396
Hilti Aktiengesellsch…

121
Koki Holdings

107
Andreas Stihl & Kg

91
Nanjing Chervon Indus…

89
Husqvarna Ab

52
Techtronic Cordless Gp

41
Hitachi Koki

41
Robert Bosch Tool

35
Festool

35

What this shows Makita is the most active filer in B25F, holding 456 of the 3,594 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 B25F
Rank	Company	Patents in B25F
#1	Makita Corporation	456
#2	Milwaukee Electric Tool Corporation	415
#3	Black & Decker Inc.	396
#4	Hilti Aktiengesellschaft	121
#5	Koki Holdings Co., Ltd.	107
#6	Andreas Stihl Ag & Co. KG	91
#7	Nanjing Chervon Industry Co., Ltd.	89
#8	Husqvarna AB	52
#9	Techtronic Cordless GP	41
#10	Hitachi Koki Co., Ltd.	41
#11	Robert Bosch Tool Corporation	35
#12	Festool Gmbh	35
#13	Chervon (hk) Limited	34
#14	Ingersoll-rand Company	32
#15	Atlas Copco Industrial Technique AB	31
#16	Snap-on Incorporated	30
#17	Ingersoll-rand Industrial U.s., Inc.	27
#18	Max Co., Ltd.	25
#19	Globe (jiangsu) Co., Ltd.	25
#20	Positec Power Tools (suzhou) Co., Ltd.	24

About This Class

CPC subclass B25F belongs to class B25.

3,594 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 B25F 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 B25F assignees by class footprint. Bubble size = patents in B25F. Source: USPTO PatentsView (claim depth is company-wide across all classes).

Frequently Asked Questions

What is CPC class B25F?

CPC subclass B25F covers COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR. It belongs to CPC class B25 (HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS), with 3,594 US utility patents granted since 2015.

How many patents have been filed in B25F?

3,594 US utility patents were granted in CPC subclass B25F between 2015 and 2025, based on USPTO PatentsView data.

Which company holds the most patents in B25F?

Makita Corporation leads B25F with 456 patents, making it the most active assignee in this technology area.

How is patent data for B25F 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., B25) is a broad technology category. Subclasses like B25F 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.