PlainPatent

CPC technology class · A61

A61G - Transport

Transport, personal conveyances, or accommodation specially adapted for patients or disabled persons ; operating tables or chairs; chairs for dentistry; funeral devices. 6,566 US utility patents granted 2015–2025, with the leading assignees and year-by-year filing trajectory.

6,566
US patents granted
A61
Parent CPC class
20
Active assignees
+58%
5-yr velocity

The verdict

Transport ranks #217 of 670 CPC technology areas - 6,566 US patents granted since 2015, with filing up 58% over five years.

#217
of 670 CPC technology areas
6,566
US patents granted, 2015–2025
Stryker
leading assignee (552)
+58%
filing velocity, last 5 yrs
Top assignee: Stryker Corporation (552 patents)

CPC subclass A61G - TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS ; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES - covers 6,566 US utility patents granted between 2015 and 2025 according to USPTO PatentsView records, within the broader CPC class A61 (MEDICAL OR VETERINARY SCIENCE; HYGIENE). See our CPC classification guide for how the system works.

The competitive landscape in A61G is shaped by 20 distinct companies actively filing in this space. Stryker Corporation leads with 552 patents, followed by Hill-rom Services, Inc. at 396 grants and Warsaw Orthopedic, Inc. at 89.

Filing activity in A61G is up 58% 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 A61G innovation accelerating?

US utility-patent grants per year in A61G, 2015–2025 - recent five years are up 58% versus 2015–2019.

400500600700800 20152016201720182019202020212022202320242025 512

Who leads A61G?

The 12 most active assignees in TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS ; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES - wider bars mean more grants

patents

What this shows Stryker is the most active filer in A61G, holding 552 of the 6,566 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 A61G
Rank Company Patents in A61G
#1 Stryker Corporation 552
#2 Hill-rom Services, Inc. 396
#3 Warsaw Orthopedic, Inc. 89
#4 LIKO Research & Development AB 80
#5 Auris Health, Inc. 76
#6 Allen Medical Systems, Inc. 68
#7 Paramount BED Co., Ltd. 61
#8 Sage Products, Llc 54
#9 Augustine Biomedical + Design, Llc 52
#10 Ferno-washington, Inc. 50
#11 Maquet Gmbh 46
#12 Medline Industries, Lp 45
#13 The Braun Corporation 44
#14 Invacare Corporation 43
#15 Pride Mobility Products Corporation 41
#16 Valeda Company, Llc 36
#17 Toyota Motor North America, Inc. 33
#18 Sleep Number Corporation 32
#19 Vandor Group, Inc. 31
#20 Intuitive Surgical Operations, Inc. 28

About This Class

CPC subclass A61G belongs to class A61.

6,566 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 A61G 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 A61G assignees by class footprint. Bubble size = patents in A61G. Source: USPTO PatentsView (claim depth is company-wide across all classes).

Top 14 A61G assignees by class footprint. Bubble size = patents in A61G. Source: USPTO PatentsView (claim depth is company-wide across all classes). Scatter plot of 14 data points (bubble-sized by third dimension). 51015202530 0200400600 Patents in A61G Avg claims / patent (company-wide) StrykerHill-rom ServicesWarsaw OrthopedicLiko Research & Devel…Auris HealthAllen Medical SystemsParamount BedSage ProductsAugustine Biomedical…Ferno-washingtonMaquetMedline IndustriesThe BraunInvacare
Top 14 A61G assignees by class footprint. Bubble size = patents in A61G. Source: USPTO PatentsView (claim depth is company-wide across all classes).

Frequently Asked Questions

What is CPC class A61G?
CPC subclass A61G covers TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS ; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES. It belongs to CPC class A61 (MEDICAL OR VETERINARY SCIENCE; HYGIENE), with 6,566 US utility patents granted since 2015.
How many patents have been filed in A61G?
6,566 US utility patents were granted in CPC subclass A61G between 2015 and 2025, based on USPTO PatentsView data.
Which company holds the most patents in A61G?
Stryker Corporation leads A61G with 552 patents, making it the most active assignee in this technology area.
How is patent data for A61G 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., A61) is a broad technology category. Subclasses like A61G 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.