CPC technology class · A63

A63G - Merry-go-rounds

Merry-go-rounds; swings; rocking-horses; chutes; switchbacks; similar devices for public amusement. 1,179 US utility patents granted 2015–2025, with the leading assignees and year-by-year grant trajectory.

Compiled by PlainPatent · May 15, 2026

1,179
US patents granted: #4/8
in A63: 2.9%
A63 class share: +29%
5-yr velocity

The verdict

According to USPTO PatentsView, Merry-go-rounds ranks #434 of 670 CPC technology areas - 1,179 US patents granted since 2015, with recorded grant volume up 29% over five years.

#434
of 670 CPC technology areas: 1,179
US patents granted, 2015–2025: Universal City Studios
leading assignee (295): +29%
grant velocity, last 5 yrs

How tightly A63G concentrates

Universal City Studios LLC holds 25.0% of A63G's recorded grants (295 of 1,179) - 228 more than Disney Enterprises, Inc.. Across complete PatentsView years, the class peaked in 2019 at 142 grants and bottomed in 2015 at 73 (+95% peak-over-trough). Equal-window velocity 2020–2024 vs 2015–2019: +29% (619 vs 480 grants).

Leaderboard read

A63G concentration, lead at 25.0%

Universal City Studios LLC leads this historical grant record at 25.0% of A63G - us corporation assignees hold 75% of class grants (617 of 819). Figures describe granted US utility patents in this CPC subclass, not current investment or legal strength.

Leader's share: 25.0%
Top three share: 34.1%
Lead over #2: 228

Where A63G sits inside A63

Among 8 subclasses in A63 (SPORTS; GAMES; Amusements), A63G ranks #4 and holds 2.9% 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 A63B 16,525 A63H 2,847 A63C 1,092 A63J 535 A63K 80 A63D 78

Rising assignees active in A63G

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 VR Coaster GMBH & Co. KG 3.00x 2 → 6 company-wide · 8 in A63G
#2 Ifly Holdings, LLC 3.00x 1 → 3 company-wide · 5 in A63G
#3 JiMi IP, LLC 2.00x 2 → 4 company-wide · 6 in A63G
#4 Mack Rides GMBH & Co. KG 1.67x 6 → 10 company-wide · 20 in A63G
#5 Crystal Lagoons Technologies, Inc. 1.50x 10 → 15 company-wide · 11 in A63G

A63G grants by year, peak 2019 (142)

US utility-patent grants per year in A63G, 2015–2025 - recent five years are up 29% versus 2015–2019.

Universal City Studios

295
Disney Enterprises

67
Whitewater West…

40
Playcore Wisconsin

26
Mack Rides & Kg

20
Oceaneering Internatio…

14
Landscape Structures

14
Proslide Technology

12
American Wave Machines

12
Crystal Lagoons

11
Kelly Slater Wave

11
Unchartedvr

11

What this shows Universal City Studios is the most active filer in A63G, holding 295 of the 1,179 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 A63G
Rank	Company	Patents in A63G
#1	Universal City Studios LLC	295
#2	Disney Enterprises, Inc.	67
#3	Whitewater West Industries Ltd.	40
#4	Playcore Wisconsin, Inc.	26
#5	Mack Rides GMBH & Co. KG	20
#6	Oceaneering International, Inc.	14
#7	Landscape Structures Inc.	14
#8	Proslide Technology Inc.	12
#9	American Wave Machines, Inc.	12
#10	Crystal Lagoons Technologies, Inc.	11
#11	Kelly Slater Wave Company, LLC	11
#12	Unchartedvr Inc.	11
#13	Razor USA LLC	10
#14	Antonio Zamperla S.p.A.	10
#15	Bestway Inflatables & Material Corp.	8
#16	Eddy Current Limited Partnership	8
#17	VR Coaster GMBH & Co. KG	8
#18	Kompan A/S	7
#19	Universal Studios LLC	7
#20	Skyturtle Technologies Ltd.	7

Footprint here vs. claim strategy

Each dot is a leading A63G 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 A63G assignees by class footprint. Bubble size = patents in A63G. Source: USPTO PatentsView (claim depth is company-wide across all classes).

Classes near A63G's 1,179-grant footprint

Nationwide nearest neighbors for A63G (#434 of 670 by volume ; lead share 25.0%) - not the A63 parent-class siblings above.

Nearest by grant volume

B63G 1,181 C08H 1,172 H03D 1,165 B25D 1,146

Nearest by lead-assignee share

G04R 25.0% H10K 24.6% D06F 25.6% A01H 25.9%

Questions about A63G

Which company holds the most patents in A63G?

Universal City Studios LLC leads A63G with 295 patents (25.0% of the subclass). By PatentsView assignee type, us corporations account for 75% of class grants.

Which A63G assignees grew fastest recently?

Among assignees with ≥5 grants in A63G, VR Coaster GMBH & Co. KG shows the highest company-wide grant multiple (3.00x: 2 grants in 2019–2021 → 6 in 2022–2024) while holding 8 patents in this subclass. Growth is company-wide, not class-only.

How does A63G compare inside parent class A63?

Inside A63 (SPORTS; GAMES; Amusements), A63G ranks #4 of 8 subclasses by grant volume and holds 2.9% of the parent class total. The largest sibling is A63F (18,220 grants).

What to do with this data

A63G in context - here's where to go next.

Universal City Studios LLC leads A63G with 295 grants in this class. See full portfolio
A63G ranks #434 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 - A63G figures are USPTO PatentsView granted-utility totals for this subclass (1,179 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.