CPC technology class · A63

A63B - Apparatus For Physical Training

Apparatus for physical training, gymnastics, swimming, climbing, or fencing; ball games; training equipment. 16,525 US utility patents granted 2015–2025, with the leading assignees and year-by-year grant trajectory.

Compiled by PlainPatent · May 15, 2026

16,525
US patents granted: #2/8
in A63: 40.7%
A63 class share: -1%
5-yr velocity

The verdict

According to USPTO PatentsView, Apparatus For Physical Training ranks #114 of 670 CPC technology areas - 16,525 US patents granted since 2015, with recorded grant volume down 1% over five years.

#114
of 670 CPC technology areas: 16,525
US patents granted, 2015–2025: Acushnet
leading assignee (1,084): -1%
grant velocity, last 5 yrs

How A63B's grant cadence moved

Between 2020–2024, A63B recorded 7,536 grants versus 7,640 in 2015–2019 (-1% equal-window velocity). Across complete years, output peaked in 2019 at 1,859 grants and bottomed in 2015 at 1,264 (+47% peak-over-trough). Lead assignee Acushnet Company holds 6.6% of the class ; the top three share 16.6%.

Leaderboard read

A63B concentration, lead at 6.6%

Acushnet Company leads this historical grant record at 6.6% of A63B - us corporation assignees hold 72% of class grants (8,008 of 11,134). Figures describe granted US utility patents in this CPC subclass, not current investment or legal strength.

Leader's share: 6.6%
Top three share: 16.6%
Lead over #2: 241

Where A63B sits inside A63

Among 8 subclasses in A63 (SPORTS; GAMES; Amusements), A63B ranks #2 and holds 40.7% of the parent class's 40,556 recorded grants. Sibling chips below are the other subclasses in the same parent class, not the nationwide volume/lead-share peers further down.

A63F 18,220 A63H 2,847 A63G 1,179 A63C 1,092 A63J 535 A63K 80 A63D 78

Rising assignees active in A63B

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 Topgolf Callaway Brands Corp. 144x 0 → 144 company-wide · 110 in A63B
#2 iFIT Inc. 36x 0 → 36 company-wide · 40 in A63B
#3 Clmbr1, LLC. 17x 1 → 17 company-wide · 16 in A63B
#4 Boost Treadmills, LLC 13x 0 → 13 company-wide · 8 in A63B
#5 Rehab2fit Technologies, Inc. 12x 0 → 12 company-wide · 12 in A63B

A63B grants by year, peak 2019 (1,859)

US utility-patent grants per year in A63B, 2015–2025 - recent five years are down 1% versus 2015–2019.

Acushnet

1,084
Nike

843
Karsten Manufacturing

819
Taylor Made Golf

512
Sumitomo Rubber…

436
Callaway Golf

398
Dunlop Sports

301
Parsons Xtreme Golf

264
Bridgestone Sports

261
Lagree

186
Icon Health & Fitness

138
adidas

126

What this shows Acushnet is the most active filer in A63B, holding 1,084 of the 16,525 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 A63B
Rank	Company	Patents in A63B
#1	Acushnet Company	1,084
#2	Nike, Inc.	843
#3	Karsten Manufacturing Corporation	819
#4	Taylor Made Golf Company, Inc.	512
#5	Sumitomo Rubber Industries, Ltd.	436
#6	Callaway Golf Company	398
#7	Dunlop Sports Co., Ltd.	301
#8	Parsons Xtreme Golf, LLC	264
#9	Bridgestone Sports Co., Ltd.	261
#10	Lagree Technologies, Inc.	186
#11	Icon Health & Fitness, Inc.	138
#12	adidas AG	126
#13	Wilson Sporting Goods Co.	112
#14	Topgolf Callaway Brands Corp.	110
#15	Cobra Golf Incorporated	99
#16	Tonal Systems, Inc.	88
#17	Fitbit, LLC	84
#18	Bauer Hockey LLC	80
#19	ROM Technologies, Inc.	77
#20	Coulter Ventures, LLC.	66

Footprint here vs. claim strategy

Each dot is a leading A63B 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 A63B assignees by class footprint. Bubble size = patents in A63B. Source: USPTO PatentsView (claim depth is company-wide across all classes).

Classes near A63B's 16,525-grant footprint

Nationwide nearest neighbors for A63B (#114 of 670 by volume ; lead share 6.6%) - not the A63 parent-class siblings above.

Nearest by grant volume

G01J 16,402 C22C 16,292 F16L 16,791 F02C 16,237

Nearest by lead-assignee share

H04B 6.6% A44C 6.5% H02B 6.6% B41P 6.5%

Questions about A63B

Which company holds the most patents in A63B?

Acushnet Company leads A63B with 1,084 patents (6.6% of the subclass). By PatentsView assignee type, us corporations account for 72% of class grants.

Which A63B assignees grew fastest recently?

Among assignees with ≥5 grants in A63B, Topgolf Callaway Brands Corp. shows the highest company-wide grant multiple (144x: 0 grants in 2019–2021 → 144 in 2022–2024) while holding 110 patents in this subclass. Growth is company-wide, not class-only.

How does A63B compare inside parent class A63?

Inside A63 (SPORTS; GAMES; Amusements), A63B ranks #2 of 8 subclasses by grant volume and holds 40.7% of the parent class total. The largest sibling is A63F (18,220 grants).

What to do with this data

A63B in context - here's where to go next.

Acushnet Company leads A63B with 1,084 grants in this class. See full portfolio
A63B ranks #114 of 670 by grant volume among all tracked CPC technology areas. See the ranking
Inside parent class A63, the largest sibling subclass is A63F with 18,220 grants. Explore A63F

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

Methodology - A63B figures are USPTO PatentsView granted-utility totals for this subclass (16,525 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.