PlainPatent

CPC technology class · B60

B60L - Propulsion OF Electrically-propelled Vehicles

Propulsion of electrically-propelled vehicles ; supplying electric power for auxiliary equipment of electrically-propelled vehicles ; electrodynamic brake systems for vehicles in general ; magnetic suspension or levitation for vehicles; monitoring operating variables of electrically-propelled vehicl. 29,944 US utility patents granted 2015–2025, with the leading assignees and year-by-year filing trajectory.

29,944
US patents granted
B60
Parent CPC class
20
Active assignees
+43%
5-yr velocity

The verdict

Propulsion OF Electrically-propelled Vehicles ranks #64 of 670 CPC technology areas - 29,944 US patents granted since 2015, with filing up 43% over five years.

#64
of 670 CPC technology areas
29,944
US patents granted, 2015–2025
Toyota Jidosha
leading assignee (2,338)
+43%
filing velocity, last 5 yrs
Top assignee: Toyota Jidosha Kabushiki Kaisha (2,338 patents)

CPC subclass B60L - PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES ; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES ; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL ; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICL - covers 29,944 US utility patents granted between 2015 and 2025 according to USPTO PatentsView records, within the broader CPC class B60 (VEHICLES IN GENERAL). See our CPC classification guide for how the system works.

The competitive landscape in B60L is shaped by 20 distinct companies actively filing in this space. Toyota Jidosha Kabushiki Kaisha leads with 2,338 patents, followed by Ford Global Technologies, Llc at 1,723 grants and Hyundai Motor Company at 1,395.

Filing activity in B60L is up 43% 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 B60L innovation accelerating?

US utility-patent grants per year in B60L, 2015–2025 - recent five years are up 43% versus 2015–2019.

1,5002,0002,5003,0003,500 20152016201720182019202020212022202320242025 2,589

Who leads B60L?

The 12 most active assignees in PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES ; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES ; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL ; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICL - wider bars mean more grants

patents

What this shows Toyota Jidosha is the most active filer in B60L, holding 2,338 of the 29,944 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 B60L
Rank Company Patents in B60L
#1 Toyota Jidosha Kabushiki Kaisha 2,338
#2 Ford Global Technologies, Llc 1,723
#3 Hyundai Motor Company 1,395
#4 Honda Motor Co., Ltd. 1,041
#5 KIA Motors Corporation 766
#6 GM Global Technology Operations Llc 732
#7 Robert Bosch Gmbh 555
#8 Denso Corporation 464
#9 Nissan Motor Co., Ltd. 446
#10 AUDI Ag 380
#11 KIA Corporation 329
#12 Bayerische Motoren Werke Aktiengesellschaft 321
#13 Dr. Ing. H.c. F. Porsche Ag 286
#14 Subaru Corporation 240
#15 Toyota Motor Engineering & Manufacturing North America, Inc. 187
#16 Volvo Truck Corporation 181
#17 Yazaki Corporation 180
#18 Witricity Corporation 168
#19 BETA AIR Llc 166
#20 Hitachi Automotive Systems, Ltd. 159

About This Class

CPC subclass B60L belongs to class B60.

29,944 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 B60L 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 B60L assignees by class footprint. Bubble size = patents in B60L. Source: USPTO PatentsView (claim depth is company-wide across all classes).

Top 14 B60L assignees by class footprint. Bubble size = patents in B60L. Source: USPTO PatentsView (claim depth is company-wide across all classes). Scatter plot of 14 data points (bubble-sized by third dimension). 6810121416 05001000150020002500 Patents in B60L Avg claims / patent (company-wide) Toyota JidoshaFord GlobalHyundai MotorHonda MotorKia MotorsGm Global Technology…Robert BoschDensoNissan MotorAudiKiaBayerische Motoren We…Dr Ing h c F PorscheSubaru
Top 14 B60L assignees by class footprint. Bubble size = patents in B60L. Source: USPTO PatentsView (claim depth is company-wide across all classes).

Frequently Asked Questions

What is CPC class B60L?
CPC subclass B60L covers PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES ; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES ; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL ; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICL. It belongs to CPC class B60 (VEHICLES IN GENERAL), with 29,944 US utility patents granted since 2015.
How many patents have been filed in B60L?
29,944 US utility patents were granted in CPC subclass B60L between 2015 and 2025, based on USPTO PatentsView data.
Which company holds the most patents in B60L?
Toyota Jidosha Kabushiki Kaisha leads B60L with 2,338 patents, making it the most active assignee in this technology area.
How is patent data for B60L 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., B60) is a broad technology category. Subclasses like B60L 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.