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 grant trajectory.

Compiled by PlainPatent · May 15, 2026

6,566
US patents granted: #12/13
in A61: 1.0%
A61 class share: +38%
5-yr velocity

The verdict

According to USPTO PatentsView, Transport ranks #217 of 670 CPC technology areas - 6,566 US patents granted since 2015, with recorded grant volume up 38% over five years.

#217
of 670 CPC technology areas: 6,566
US patents granted, 2015–2025: Stryker
leading assignee (552): +38%
grant velocity, last 5 yrs

How A61G's grant cadence moved

Between 2020–2024, A61G recorded 3,409 grants versus 2,476 in 2015–2019 (+38% equal-window velocity). Across complete years, output peaked in 2021 at 712 grants and bottomed in 2016 at 446 (+60% peak-over-trough). Lead assignee Stryker Corporation holds 8.4% of the class ; the top three share 15.8%.

Leaderboard read

A61G concentration, lead at 8.4%

Stryker Corporation leads this historical grant record at 8.4% of A61G - us corporation assignees hold 75% of class grants (3,022 of 4,039). Figures describe granted US utility patents in this CPC subclass, not current investment or legal strength.

Leader's share: 8.4%
Top three share: 15.8%
Lead over #2: 156

Where A61G sits inside A61

Among 13 subclasses in A61 (Medical OR Veterinary SCIENCE; Hygiene), A61G ranks #12 and holds 1.0% of the parent class's 646,867 recorded grants. Sibling chips below are the other subclasses in the same parent class, not the nationwide volume/lead-share peers further down.

A61B 162,009 A61K 151,067 A61P 125,535 A61M 57,639 A61F 50,959 A61N 30,889 A61L 25,308 A61Q 14,001

Rising assignees active in A61G

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 Siemens Healthineers AG 222x 0 → 222 company-wide · 5 in A61G
#2 Steris Solutions Limited 10x 0 → 10 company-wide · 10 in A61G
#3 Neurasignal, Inc. 9.00x 0 → 9 company-wide · 5 in A61G
#4 Baxter Medical Systems GmbH + Co. KG 8.00x 0 → 8 company-wide · 8 in A61G
#5 TurnCare, Inc. 7.00x 2 → 14 company-wide · 20 in A61G

A61G grants by year, peak 2021 (712)

US utility-patent grants per year in A61G, 2015–2025 - recent five years are up 38% versus 2015–2019.

Stryker

552
Hill-rom Services

396
Warsaw Orthopedic

89
Liko Research &…

80
Auris Health

76
Allen Medical Systems

68
Paramount Bed

61
Sage Products

54
Augustine Biomedical…

52
Ferno-washington

50
Maquet

46
Medline Industries

45

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.

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

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).

Classes near A61G's 6,566-grant footprint

Nationwide nearest neighbors for A61G (#217 of 670 by volume ; lead share 8.4%) - not the A61 parent-class siblings above.

Nearest by grant volume

F21W 6,556 A47C 6,586 F04C 6,508 C11D 6,504

Nearest by lead-assignee share

B25H 8.4% B81C 8.4% H10H 8.4% A63F 8.4%

Questions about A61G

Which company holds the most patents in A61G?

Stryker Corporation leads A61G with 552 patents (8.4% of the subclass). By PatentsView assignee type, us corporations account for 75% of class grants.

Which A61G assignees grew fastest recently?

Among assignees with ≥5 grants in A61G, Siemens Healthineers AG shows the highest company-wide grant multiple (222x: 0 grants in 2019–2021 → 222 in 2022–2024) while holding 5 patents in this subclass. Growth is company-wide, not class-only.

How does A61G compare inside parent class A61?

Inside A61 (Medical OR Veterinary SCIENCE; Hygiene), A61G ranks #12 of 13 subclasses by grant volume and holds 1.0% of the parent class total. The largest sibling is A61B (162,009 grants).

What to do with this data

A61G in context - here's where to go next.

Stryker Corporation leads A61G with 552 grants in this class. See full portfolio
A61G ranks #217 of 670 by grant volume among all tracked CPC technology areas. See the ranking
Inside parent class A61, the largest sibling subclass is A61B with 162,009 grants. Explore A61B

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

Methodology - A61G figures are USPTO PatentsView granted-utility totals for this subclass (6,566 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.