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 grant trajectory.

29,944
US patents granted
#4/19
in B60
12.1%
B60 class share
+20%
5-yr velocity

The verdict

According to USPTO PatentsView, Propulsion Of Electrically-propelled Vehicles ranks #64 of 670 CPC technology areas - 29,944 US patents granted since 2015, with recorded grant volume up 20% over five years.

#64
of 670 CPC technology areas
29,944
US patents granted, 2015–2025
Toyota Jidosha
leading assignee (2,338)
+20%
grant velocity, last 5 yrs

How B60L's grant cadence moved

Between 2020–2024, B60L recorded 13,639 grants versus 11,325 in 2015–2019 (+20% equal-window velocity). Across complete years, output peaked in 2024 at 3,249 grants and bottomed in 2015 at 1,894 (+72% peak-over-trough). Lead assignee Toyota Jidosha Kabushiki Kaisha holds 7.8% of the class ; the top three share 18.2%.

Leaderboard read

B60L concentration, lead at 7.8%

Toyota Jidosha Kabushiki Kaisha leads this historical grant record at 7.8% of B60L - foreign corporation assignees hold 69% of class grants (15,617 of 22,663). Figures describe granted US utility patents in this CPC subclass, not current investment or legal strength.

Leader's share
7.8%

2,338 of 29,944 grants

Top three share
18.2%

of the class's recorded grants

Lead over #2
615

more grants than Ford Global Technologies, LLC

Where B60L sits inside B60

Among 19 subclasses in B60 (Vehicles IN General), B60L ranks #4 and holds 12.1% of the parent class's 247,467 recorded grants. Sibling chips below are the other subclasses in the same parent class, not the nationwide volume/lead-share peers further down.

B60R 42,931 B60W 39,530 B60K 34,645 B60Y 14,131 B60Q 13,530 B60N 13,335 B60T 11,759 B60C 9,320

Rising assignees active in B60L

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. #1 LG Energy Solution, Ltd. 770x 2 → 1,539 company-wide · 141 in B60L
  2. #2 Mercedes-Benz Group AG 257x 0 → 257 company-wide · 23 in B60L
  3. #3 Huawei Digital Power Technologies Co., Ltd. 245x 0 → 245 company-wide · 45 in B60L
  4. #4 HL Mando Corporation 212x 0 → 212 company-wide · 7 in B60L
  5. #5 Kawasaki Motors, Ltd. 146x 0 → 146 company-wide · 8 in B60L

B60L grants by year, peak 2024 (3,249)

US utility-patent grants per year in B60L, 2015–2025 - recent five years are up 20% 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

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). 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…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).

Classes near B60L's 29,944-grant footprint

Nationwide nearest neighbors for B60L (#64 of 670 by volume ; lead share 7.8%) - not the B60 parent-class siblings above.

Nearest by grant volume

H01Q 29,793 C23C 29,488 B62D 29,451 B65D 29,449

Nearest by lead-assignee share

F25B 7.8% G03B 7.8% E03B 7.9% F01C 7.8%

Questions about B60L

Which company holds the most patents in B60L?
Toyota Jidosha Kabushiki Kaisha leads B60L with 2,338 patents (7.8% of the subclass). By PatentsView assignee type, foreign corporations account for 69% of class grants.
Which B60L assignees grew fastest recently?
Among assignees with ≥5 grants in B60L, LG Energy Solution, Ltd. shows the highest company-wide grant multiple (770x: 2 grants in 2019–2021 → 1,539 in 2022–2024) while holding 141 patents in this subclass. Growth is company-wide, not class-only.
How does B60L compare inside parent class B60?
Inside B60 (Vehicles IN General), B60L ranks #4 of 19 subclasses by grant volume and holds 12.1% of the parent class total. The largest sibling is B60R (42,931 grants).

What to do with this data

B60L in context - here's where to go next.

  • Toyota Jidosha Kabushiki Kaisha leads B60L with 2,338 grants in this class. See full portfolio
  • B60L ranks #64 of 670 by grant volume among all tracked CPC technology areas. See the ranking
  • Inside parent class B60, the largest sibling subclass is B60R with 42,931 grants. Explore B60R

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

Methodology - B60L figures are USPTO PatentsView granted-utility totals for this subclass (29,944 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.