PlainPatent

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 filing trajectory.

2,672
US patents granted
A62
Parent CPC class
20
Active assignees
+45%
5-yr velocity

The verdict

Devices ranks #338 of 670 CPC technology areas - 2,672 US patents granted since 2015, with filing up 45% over five years.

#338
of 670 CPC technology areas
2,672
US patents granted, 2015–2025
3m Innovative Propert…
leading assignee (222)
+45%
filing velocity, last 5 yrs
Top assignee: 3M Innovative Properties Company (222 patents)

CPC subclass A62B - DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING - covers 2,672 US utility patents granted between 2015 and 2025 according to USPTO PatentsView records, within the broader CPC class A62 (LIFE-SAVING; FIRE-FIGHTING). See our CPC classification guide for how the system works.

The competitive landscape in A62B is shaped by 20 distinct companies actively filing in this space. 3M Innovative Properties Company leads with 222 patents, followed by Dräger Safety Ag & Co. KGAA at 60 grants and Resmed Pty Ltd at 59.

Filing activity in A62B is up 45% 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 A62B innovation accelerating?

US utility-patent grants per year in A62B, 2015–2025 - recent five years are up 45% versus 2015–2019.

150200250300350 20152016201720182019202020212022202320242025 211

Who leads A62B?

The 12 most active assignees in DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING - wider bars mean more grants

patents

What this shows 3m Innovative Propert… 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.

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

About This Class

CPC subclass A62B belongs to class A62.

2,672 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 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).

Top 14 A62B assignees by class footprint. Bubble size = patents in A62B. Source: USPTO PatentsView (claim depth is company-wide across all classes). Scatter plot of 14 data points (bubble-sized by third dimension). 051015202530 050100150200250 Patents in A62B Avg claims / patent (company-wide) 3m Innovative Propert…DrÄGer Safety & KgaaResmed PtyResmedD B IndustriesMsa TechnologyScottZodiac AerotechnicsZedelB/E AerospaceLatchwaysEddy Current Partners…Draeger Safety UkFisher & Paykel Healt…
Top 14 A62B assignees by class footprint. Bubble size = patents in A62B. Source: USPTO PatentsView (claim depth is company-wide across all classes).

Frequently Asked Questions

What is CPC class A62B?
CPC subclass A62B covers DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING. It belongs to CPC class A62 (LIFE-SAVING; FIRE-FIGHTING), with 2,672 US utility patents granted since 2015.
How many patents have been filed in A62B?
2,672 US utility patents were granted in CPC subclass A62B between 2015 and 2025, based on USPTO PatentsView data.
Which company holds the most patents in A62B?
3M Innovative Properties Company leads A62B with 222 patents, making it the most active assignee in this technology area.
How is patent data for A62B 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., A62) is a broad technology category. Subclasses like A62B 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.