CPC technology class · A62

A62B - Devices

Devices, apparatus or methods for life-saving. 2,672 US utility patents granted 2015–2025, with the leading assignees and year-by-year grant trajectory.

Compiled by PlainPatent · May 15, 2026

2,672
US patents granted: #2/3
in A62: 42.4%
A62 class share: +26%
5-yr velocity

The verdict

According to USPTO PatentsView, Devices ranks #338 of 670 CPC technology areas - 2,672 US patents granted since 2015, with recorded grant volume up 26% over five years.

#338
of 670 CPC technology areas: 2,672
US patents granted, 2015–2025: 3m Innovative Properties
leading assignee (222): +26%
grant velocity, last 5 yrs

How A62B's grant cadence moved

Between 2020–2024, A62B recorded 1,353 grants versus 1,078 in 2015–2019 (+26% equal-window velocity). Across complete years, output peaked in 2020 at 308 grants and bottomed in 2016 at 194 (+59% peak-over-trough). Lead assignee 3M Innovative Properties Company holds 8.3% of the class ; the top three share 12.8%.

Leaderboard read

A62B concentration, lead at 8.3%

3M Innovative Properties Company leads this historical grant record at 8.3% of A62B - us corporation assignees hold 57% of class grants (804 of 1,399). Figures describe granted US utility patents in this CPC subclass, not current investment or legal strength.

Leader's share: 8.3%
Top three share: 12.8%
Lead over #2: 162

Where A62B sits inside A62

Among 3 subclasses in A62 (LIFE-SAVING; Fire-fighting), A62B ranks #2 and holds 42.4% of the parent class's 6,303 recorded grants. Sibling chips below are the other subclasses in the same parent class, not the nationwide volume/lead-share peers further down.

A62C 2,939 A62D 692

Rising assignees active in A62B

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 Lucca Ventures, Inc. 7.00x 1 → 7 company-wide · 8 in A62B
#2 Sayfa R&D PTY Ltd 6.00x 2 → 12 company-wide · 7 in A62B
#3 Avox Systems Inc. 4.00x 1 → 4 company-wide · 9 in A62B
#4 Naturs Design Inc. 4.00x 0 → 4 company-wide · 5 in A62B
#5 Octo Safety Devices, LLC 4.00x 0 → 4 company-wide · 5 in A62B

A62B grants by year, peak 2020 (308)

US utility-patent grants per year in A62B, 2015–2025 - recent five years are up 26% versus 2015–2019.

3m Innovative…

222
DrÄGer Safety & Kgaa

60
Resmed Pty

59
Resmed

41
D B Industries

40
Msa Technology

39
Scott

37
Zodiac Aerotechnics

34
Zedel

33
B/E Aerospace

30
Latchways

26
Eddy Current…

25

What this shows 3m Innovative… is the most active filer in A62B, holding 222 of the 2,672 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 A62B
Rank	Company	Patents in A62B
#1	3M Innovative Properties Company	222
#2	DRÄGER Safety AG & Co. Kgaa	60
#3	ResMed Pty Ltd	59
#4	ResMed Corp.	41
#5	D B Industries, LLC	40
#6	MSA Technology, LLC	39
#7	Scott Technologies, Inc.	37
#8	Zodiac Aerotechnics	34
#9	ZEDEL	33
#10	B/E Aerospace, Inc.	30
#11	Latchways plc	26
#12	Eddy Current Limited Partnership	25
#13	Draeger Safety UK Limited	24
#14	Fisher & Paykel Healthcare Limited	23
#15	Yoke Industrial Corp.	22
#16	Buckingham Manufacturing Company, Inc.	20
#17	Scott Health & Safety Ltd.	13
#18	B/E Aerospace Systems Gmbh	11
#19	Werner Co.	10
#20	Lion Group, Inc.	10

Footprint here vs. claim strategy

Each dot is a leading A62B 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 A62B assignees by class footprint. Bubble size = patents in A62B. Source: USPTO PatentsView (claim depth is company-wide across all classes).

Classes near A62B's 2,672-grant footprint

Nationwide nearest neighbors for A62B (#338 of 670 by volume ; lead share 8.3%) - not the A62 parent-class siblings above.

Nearest by grant volume

B61L 2,671 F26B 2,656 H02B 2,655 F27D 2,695

Nearest by lead-assignee share

B63G 8.3% H04H 8.3% B60K 8.3% H04M 8.3%

Questions about A62B

Which company holds the most patents in A62B?

3M Innovative Properties Company leads A62B with 222 patents (8.3% of the subclass). By PatentsView assignee type, us corporations account for 57% of class grants.

Which A62B assignees grew fastest recently?

Among assignees with ≥5 grants in A62B, Lucca Ventures, Inc. shows the highest company-wide grant multiple (7.00x: 1 grants in 2019–2021 → 7 in 2022–2024) while holding 8 patents in this subclass. Growth is company-wide, not class-only.

How does A62B compare inside parent class A62?

Inside A62 (LIFE-SAVING; Fire-fighting), A62B ranks #2 of 3 subclasses by grant volume and holds 42.4% of the parent class total. The largest sibling is A62C (2,939 grants).

What to do with this data

A62B in context - here's where to go next.

3M Innovative Properties Company leads A62B with 222 grants in this class. See full portfolio
A62B ranks #338 of 670 by grant volume among all tracked CPC technology areas. See the ranking
Inside parent class A62, the largest sibling subclass is A62C with 2,939 grants. Explore A62C

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

Methodology - A62B figures are USPTO PatentsView granted-utility totals for this subclass (2,672 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.