CPC technology class · G05

G05G - Control Devices Or Systems Insofar As Characterised By Me…

Control devices or systems insofar as characterised by mechanical features only. 2,952 US utility patents granted 2015–2025, with the leading assignees and year-by-year grant trajectory.

Compiled by PlainPatent · May 15, 2026

2,952
US patents granted: #4/4
in G05: 3.1%
G05 class share: +14%
5-yr velocity

The verdict

According to USPTO PatentsView, Control Devices Or Systems Insofar As Characterised By Me… ranks #319 of 670 CPC technology areas - 2,952 US patents granted since 2015, with recorded grant volume up 14% over five years.

#319
of 670 CPC technology areas: 2,952
US patents granted, 2015–2025: Hyundai Motor
leading assignee (118): +14%
grant velocity, last 5 yrs

How G05G's grant cadence moved

Between 2020–2024, G05G recorded 1,347 grants versus 1,179 in 2015–2019 (+14% equal-window velocity). Across complete years, output peaked in 2019 at 305 grants and bottomed in 2015 at 199 (+53% peak-over-trough). Lead assignee Alps Alpine Co., Ltd. holds 1.8% of the class ; the top three share 4.6%.

Leaderboard read

G05G concentration, lead at 1.8%

Alps Alpine Co., Ltd. leads this historical grant record at 1.8% of G05G - foreign corporation assignees hold 68% of class grants (745 of 1,097). Figures describe granted US utility patents in this CPC subclass, not current investment or legal strength.

Leader's share: 1.8%
Top three share: 4.6%
Lead over #2: 7

Where G05G sits inside G05

Among 4 subclasses in G05 (CONTROLLING; Regulating), G05G ranks #4 and holds 3.1% of the parent class's 95,711 recorded grants. Sibling chips below are the other subclasses in the same parent class, not the nationwide volume/lead-share peers further down.

G05B 46,942 G05D 37,264 G05F 8,553

Rising assignees active in G05G

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 HL Mando Corporation 212x 0 → 212 company-wide · 8 in G05G
#2 Ventra Group Co. 8.00x 1 → 8 company-wide · 6 in G05G
#3 Shenzhen Zesum Technology Co., Ltd. 5.00x 0 → 5 company-wide · 5 in G05G
#4 Elobau GmbH & Co. KG 4.00x 2 → 8 company-wide · 8 in G05G
#5 Atieva, Inc. 3.63x 24 → 87 company-wide · 7 in G05G

G05G grants by year, peak 2019 (305)

US utility-patent grants per year in G05G, 2015–2025 - recent five years are up 14% versus 2015–2019.

Alps Alpine

52
Lutron Technology

45
Kubota

38
Toyoda Iron Works

35
Kyung Chang Industrial

25
Ksr Ip Holdings

25
Cts

23
Inventus Engineering

20
Sl

16
Safran & Defense

14
Woodward

12
Preh

12

What this shows Hyundai Motor is the most active filer in G05G, holding 118 of the 2,952 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 G05G
Rank	Company	Patents in G05G
#1	Alps Alpine Co., Ltd.	52
#2	Lutron Technology Company LLC	45
#3	Kubota Corporation	38
#4	Toyoda Iron Works Co., Ltd.	35
#5	Kyung Chang Industrial Co., Ltd.	25
#6	KSR IP Holdings, LLC	25
#7	CTS Corporation	23
#8	Inventus Engineering GmbH	20
#9	SL Corporation	16
#10	Safran Electronics & Defense	14
#11	Woodward, Inc.	12
#12	Preh GmbH	12
#13	Fluidity Technologies Inc.	12
#14	Razer (Asia-Pacific) Pte. Ltd.	11
#15	Autel Robotics Co., Ltd.	11
#16	Alps Electric Co., Ltd.	11
#17	Behr-hella Thermocontrol GMBH	11
#18	Steering Solutions IP Holding Corporation	10
#19	Electrolux Home Products, Inc.	10
#20	Grammer AG	9

Footprint here vs. claim strategy

Each dot is a leading G05G 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 G05G assignees by class footprint. Bubble size = patents in G05G. Source: USPTO PatentsView (claim depth is company-wide across all classes).

Classes near G05G's 2,952-grant footprint

Nationwide nearest neighbors for G05G (#319 of 670 by volume ; lead share 4.0%) - not the G05 parent-class siblings above.

Nearest by grant volume

F24H 2,950 E05C 2,961 A62C 2,939 B02C 2,934

Nearest by lead-assignee share

F41G 4.0% G02B 4.0% G21G 4.0% B44F 4.0%

Questions about G05G

Which company holds the most patents in G05G?

Hyundai Motor Company leads G05G with 118 patents (1.8% of the subclass). By PatentsView assignee type, foreign corporations account for 68% of class grants.

Which G05G assignees grew fastest recently?

Among assignees with ≥5 grants in G05G, HL Mando Corporation shows the highest company-wide grant multiple (212x: 0 grants in 2019–2021 → 212 in 2022–2024) while holding 8 patents in this subclass. Growth is company-wide, not class-only.

How does G05G compare inside parent class G05?

Inside G05 (CONTROLLING; Regulating), G05G ranks #4 of 4 subclasses by grant volume and holds 3.1% of the parent class total. The largest sibling is G05B (46,942 grants).

What to do with this data

G05G in context - here's where to go next.

Alps Alpine Co., Ltd. leads G05G with 52 grants in this class. See full portfolio
G05G ranks #319 of 670 by grant volume among all tracked CPC technology areas. See the ranking
Inside parent class G05, the largest sibling subclass is G05B with 46,942 grants. Explore G05B

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

Methodology - G05G figures are USPTO PatentsView granted-utility totals for this subclass (2,952 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.