CPC technology class · H02

H02B - Boards

Boards, substations or switching arrangements for the supply or distribution of electric power. 2,655 US utility patents granted 2015–2025, with the leading assignees and year-by-year grant trajectory.

Compiled by PlainPatent · May 15, 2026

2,655
US patents granted: #9/9
in H02: 1.6%
H02 class share: -7%
5-yr velocity

The verdict

According to USPTO PatentsView, Boards ranks #341 of 670 CPC technology areas - 2,655 US patents granted since 2015, with recorded grant volume down 7% over five years.

#341
of 670 CPC technology areas: 2,655
US patents granted, 2015–2025: Abb Schweiz
leading assignee (176): -7%
grant velocity, last 5 yrs

How H02B's grant cadence moved

Between 2020–2024, H02B recorded 1,167 grants versus 1,252 in 2015–2019 (-7% equal-window velocity). Across complete years, output peaked in 2019 at 299 grants and bottomed in 2015 at 184 (+63% peak-over-trough). Lead assignee ABB Schweiz AG holds 6.6% of the class ; the top three share 16.0%.

Leaderboard read

H02B concentration, lead at 6.6%

ABB Schweiz AG leads this historical grant record at 6.6% of H02B - foreign corporation assignees hold 58% of class grants (859 of 1,469). Figures describe granted US utility patents in this CPC subclass, not current investment or legal strength.

Leader's share: 6.6%
Top three share: 16.0%
Lead over #2: 8

Where H02B sits inside H02

Among 9 subclasses in H02 (GENERATION; Conversion OR Distribution OF Electric Power), H02B ranks #9 and holds 1.6% of the parent class's 161,326 recorded grants. Sibling chips below are the other subclasses in the same parent class, not the nationwide volume/lead-share peers further down.

H02J 49,883 H02M 33,952 H02K 26,848 H02P 16,031 H02G 11,084 H02H 10,591 H02S 6,483 H02N 3,799

Rising assignees active in H02B

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 LS Electric Co., Ltd. 18x 7 → 125 company-wide · 29 in H02B
#2 JST Power Equipment, Inc. 17x 0 → 17 company-wide · 19 in H02B
#3 Inertial Engineering and Machine Works, Inc. 8.00x 0 → 8 company-wide · 7 in H02B
#4 Brilliant Home Technology, Inc. 4.00x 5 → 20 company-wide · 5 in H02B
#5 R. Stahl SCHALTGERÄTE GMBH 3.17x 6 → 19 company-wide · 23 in H02B

H02B grants by year, peak 2019 (299)

US utility-patent grants per year in H02B, 2015–2025 - recent five years are down 7% versus 2015–2019.

Abb Schweiz

176
Eaton Intelligent…

168
Schneider Electric Usa

81
Eaton

69
Schneider Electric…

68
Rittal & Kg

53
Lsis

52
Siemens Industry

48
Rockwell Automation

46
Abb Technology

29
Ls Electric

29
Server Technology

24

What this shows Abb Schweiz is the most active filer in H02B, holding 176 of the 2,655 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 H02B
Rank	Company	Patents in H02B
#1	ABB Schweiz AG	176
#2	Eaton Intelligent Power Limited	168
#3	Schneider Electric USA, Inc.	81
#4	Eaton Corporation	69
#5	Schneider Electric Industries SAS	68
#6	Rittal GMBH & Co. KG	53
#7	Lsis Co., Ltd.	52
#8	Siemens Industry, Inc.	48
#9	Rockwell Automation Technologies, Inc.	46
#10	ABB Technology AG	29
#11	LS Electric Co., Ltd.	29
#12	Server Technology, Inc.	24
#13	R. Stahl SCHALTGERÄTE GMBH	23
#14	National Service Alliance—Houston LLC	21
#15	JST Power Equipment, Inc.	19
#16	ABB S.P.A.	15
#17	Labinal, LLC	14
#18	Smart Power Co., Ltd.	13
#19	LAT Enterprises, Inc.	11
#20	Thomas & Betts International LLC	10

Footprint here vs. claim strategy

Each dot is a leading H02B 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 H02B assignees by class footprint. Bubble size = patents in H02B. Source: USPTO PatentsView (claim depth is company-wide across all classes).

Classes near H02B's 2,655-grant footprint

Nationwide nearest neighbors for H02B (#341 of 670 by volume ; lead share 6.6%) - not the H02 parent-class siblings above.

Nearest by grant volume

F26B 2,656 B61L 2,671 A62B 2,672 F23D 2,623

Nearest by lead-assignee share

G09C 6.7% H04B 6.6% A63B 6.6% G01W 6.7%

Questions about H02B

Which company holds the most patents in H02B?

ABB Schweiz AG leads H02B with 176 patents (6.6% of the subclass). By PatentsView assignee type, foreign corporations account for 58% of class grants.

Which H02B assignees grew fastest recently?

Among assignees with ≥5 grants in H02B, LS Electric Co., Ltd. shows the highest company-wide grant multiple (18x: 7 grants in 2019–2021 → 125 in 2022–2024) while holding 29 patents in this subclass. Growth is company-wide, not class-only.

How does H02B compare inside parent class H02?

Inside H02 (GENERATION; Conversion OR Distribution OF Electric Power), H02B ranks #9 of 9 subclasses by grant volume and holds 1.6% of the parent class total. The largest sibling is H02J (49,883 grants).

What to do with this data

H02B in context - here's where to go next.

ABB Schweiz AG leads H02B with 176 grants in this class. See full portfolio
H02B ranks #341 of 670 by grant volume among all tracked CPC technology areas. See the ranking
Inside parent class H02, the largest sibling subclass is H02J with 49,883 grants. Explore H02J

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

Methodology - H02B figures are USPTO PatentsView granted-utility totals for this subclass (2,655 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.