CPC technology class · B25

B25G - Handles For Hand Implements

Handles for hand implements. 1,041 US utility patents granted 2015–2025, with the leading assignees and year-by-year grant trajectory.

Compiled by PlainPatent · May 15, 2026

1,041
US patents granted: #7/7
in B25: 2.9%
B25 class share: +8%
5-yr velocity

The verdict

According to USPTO PatentsView, Handles For Hand Implements ranks #455 of 670 CPC technology areas - 1,041 US patents granted since 2015, with recorded grant volume up 8% over five years.

#455
of 670 CPC technology areas: 1,041
US patents granted, 2015–2025: Milwaukee Electric Tool
leading assignee (46): +8%
grant velocity, last 5 yrs

How B25G's grant cadence moved

Between 2020–2024, B25G recorded 497 grants versus 460 in 2015–2019 (+8% equal-window velocity). Across complete years, output peaked in 2023 at 116 grants and bottomed in 2024 at 75 (+55% peak-over-trough). Lead assignee Unger Marketing International, LLC holds 1.6% of the class ; the top three share 4.6%.

Leaderboard read

B25G concentration, lead at 1.6%

Unger Marketing International, LLC leads this historical grant record at 1.6% of B25G - us corporation assignees hold 64% of class grants (341 of 529). Figures describe granted US utility patents in this CPC subclass, not current investment or legal strength.

Leader's share: 1.6%
Top three share: 4.6%
Lead over #2: 1

Where B25G sits inside B25

Among 7 subclasses in B25 (Hand TOOLS; Portable Power-driven TOOLS; Manipulators), B25G ranks #7 and holds 2.9% of the parent class's 36,206 recorded grants. Sibling chips below are the other subclasses in the same parent class, not the nationwide volume/lead-share peers further down.

B25J 21,590 B25B 6,226 B25F 3,594 B25H 1,500 B25D 1,146 B25C 1,109

Rising assignees active in B25G

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 Tang Chou Industrial Co., Ltd. 7.00x 1 → 7 company-wide · 6 in B25G
#2 AOB Products Company 3.82x 11 → 42 company-wide · 5 in B25G
#3 Kabo Tool Company 2.80x 20 → 56 company-wide · 16 in B25G
#4 Apex Brands, Inc. 2.39x 54 → 129 company-wide · 15 in B25G
#5 Klein Tools, Inc. 2.13x 15 → 32 company-wide · 5 in B25G

B25G grants by year, peak 2023 (116)

US utility-patent grants per year in B25G, 2015–2025 - recent five years are up 8% versus 2015–2019.

Unger Marketing…

17
Kabo Tool

16
Apex Brands

15
Hong Ann Tool…

14
Wagic

14
Gauthier Biomedical

13
Snap-on Incorporated

11
The Sherwin-williams

10
Stanley Black & Decker

10
Yih Cheng Factory

10
Omachron Intellectual…

9
Shanghai Easy-use…

9

What this shows Milwaukee Electric… is the most active filer in B25G, holding 46 of the 1,041 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 B25G
Rank	Company	Patents in B25G
#1	Unger Marketing International, LLC	17
#2	Kabo Tool Company	16
#3	Apex Brands, Inc.	15
#4	Hong ANN Tool Industries Co., Ltd.	14
#5	Wagic, Inc.	14
#6	Gauthier Biomedical, Inc	13
#7	Snap-on Incorporated	11
#8	The Sherwin-Williams Company	10
#9	Stanley Black & Decker, Inc.	10
#10	YIH Cheng Factory Co., Ltd.	10
#11	Omachron Intellectual Property Inc.	9
#12	Shanghai Easy-use Tools Enterprise Co., Ltd	9
#13	ECA Medical Instruments	8
#14	Leatherman Tool Group, Inc.	8
#15	Hangzhou Great Star Industrial Co., Ltd.	7
#16	Hangzhou Great Star Tools Co., Ltd.	7
#17	Swarovski-Optik AG & Co KG.	7
#18	Tang Chou Industrial Co., Ltd.	6
#19	Swimc LLC	5
#20	St. Jude Medical, LLC	5

Footprint here vs. claim strategy

Each dot is a leading B25G 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 B25G assignees by class footprint. Bubble size = patents in B25G. Source: USPTO PatentsView (claim depth is company-wide across all classes).

Classes near B25G's 1,041-grant footprint

Nationwide nearest neighbors for B25G (#455 of 670 by volume ; lead share 4.4%) - not the B25 parent-class siblings above.

Nearest by grant volume

G04C 1,040 C09G 1,039 A43D 1,044 B31F 1,044

Nearest by lead-assignee share

F42B 4.4% H01B 4.4% C01G 4.4% B23B 4.4%

Questions about B25G

Which company holds the most patents in B25G?

Milwaukee Electric Tool Corporation leads B25G with 46 patents (1.6% of the subclass). By PatentsView assignee type, us corporations account for 64% of class grants.

Which B25G assignees grew fastest recently?

Among assignees with ≥5 grants in B25G, Tang Chou Industrial Co., Ltd. shows the highest company-wide grant multiple (7.00x: 1 grants in 2019–2021 → 7 in 2022–2024) while holding 6 patents in this subclass. Growth is company-wide, not class-only.

How does B25G compare inside parent class B25?

Inside B25 (Hand TOOLS; Portable Power-driven TOOLS; Manipulators), B25G ranks #7 of 7 subclasses by grant volume and holds 2.9% of the parent class total. The largest sibling is B25J (21,590 grants).

What to do with this data

B25G in context - here's where to go next.

Unger Marketing International, LLC leads B25G with 17 grants in this class. See full portfolio
B25G ranks #455 of 670 by grant volume among all tracked CPC technology areas. See the ranking
Inside parent class B25, the largest sibling subclass is B25J with 21,590 grants. Explore B25J

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

Methodology - B25G figures are USPTO PatentsView granted-utility totals for this subclass (1,041 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.