PlainPatent

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 filing trajectory.

2,952
US patents granted
G05
Parent CPC class
20
Active assignees
+31%
5-yr velocity

The verdict

Control Devices OR Systems Insofar AS Characterised BY Me… ranks #319 of 670 CPC technology areas - 2,952 US patents granted since 2015, with filing up 31% over five years.

#319
of 670 CPC technology areas
2,952
US patents granted, 2015–2025
Hyundai Motor
leading assignee (118)
+31%
filing velocity, last 5 yrs
Top assignee: Hyundai Motor Company (118 patents)

CPC subclass G05G - CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY - covers 2,952 US utility patents granted between 2015 and 2025 according to USPTO PatentsView records, within the broader CPC class G05 (CONTROLLING; REGULATING). See our CPC classification guide for how the system works.

The competitive landscape in G05G is shaped by 20 distinct companies actively filing in this space. Hyundai Motor Company leads with 118 patents, followed by Lutron Technology Company Llc at 45 grants and Kubota Corporation at 38.

Filing activity in G05G is up 31% 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 G05G innovation accelerating?

US utility-patent grants per year in G05G, 2015–2025 - recent five years are up 31% versus 2015–2019.

150200250300350 20152016201720182019202020212022202320242025 201

Who leads G05G?

The 12 most active assignees in CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY - wider bars mean more grants

patents

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.

Source USPTO PatentsView, granted utility patents As of 2015–2025 grant years
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

About This Class

CPC subclass G05G belongs to class G05.

2,952 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 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).

Top 14 G05G assignees by class footprint. Bubble size = patents in G05G. Source: USPTO PatentsView (claim depth is company-wide across all classes). Scatter plot of 14 data points (bubble-sized by third dimension). 510152025 0102030405060 Patents in G05G Avg claims / patent (company-wide) Alps AlpineLutron TechnologyKubotaToyoda Iron WorksKyung Chang IndustrialKsr Ip HoldingsCtsInventus EngineeringSlSafran & DefenseWoodwardPrehFluidityRazer (Asia-pacific)…
Top 14 G05G assignees by class footprint. Bubble size = patents in G05G. Source: USPTO PatentsView (claim depth is company-wide across all classes).

Frequently Asked Questions

What is CPC class G05G?
CPC subclass G05G covers CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY. It belongs to CPC class G05 (CONTROLLING; REGULATING), with 2,952 US utility patents granted since 2015.
How many patents have been filed in G05G?
2,952 US utility patents were granted in CPC subclass G05G between 2015 and 2025, based on USPTO PatentsView data.
Which company holds the most patents in G05G?
Hyundai Motor Company leads G05G with 118 patents, making it the most active assignee in this technology area.
How is patent data for G05G 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., G05) is a broad technology category. Subclasses like G05G 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.