CPC technology class · A47

A47K - Sanitary Equipment

Sanitary equipment not otherwise provided for ; toilet accessories. 3,567 US utility patents granted 2015–2025, with the leading assignees and year-by-year filing trajectory.

3,567
US patents granted
A47
Parent CPC class
20
Active assignees
+35%
5-yr velocity

The verdict

Sanitary Equipment ranks #294 of 670 CPC technology areas - 3,567 US patents granted since 2015, with filing up 35% over five years.

#294
of 670 CPC technology areas
3,567
US patents granted, 2015–2025
Gojo Industries
leading assignee (220)
+35%
filing velocity, last 5 yrs
Top assignee: GOJO Industries, Inc. (220 patents)

CPC subclass A47K - SANITARY EQUIPMENT NOT OTHERWISE PROVIDED FOR ; TOILET ACCESSORIES - covers 3,567 US utility patents granted between 2015 and 2025 according to USPTO PatentsView records, within the broader CPC class A47 (FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL). See our CPC classification guide for how the system works.

The competitive landscape in A47K is shaped by 20 distinct companies actively filing in this space. GOJO Industries, Inc. leads with 220 patents, followed by Kohler Co. at 150 grants and Kimberly-clark Worldwide, Inc. at 142.

Filing activity in A47K is up 35% 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 A47K innovation accelerating?

US utility-patent grants per year in A47K, 2015–2025 - recent five years are up 35% versus 2015–2019.

150200250300350400450 20152016201720182019202020212022202320242025 214

Who leads A47K?

The 12 most active assignees in SANITARY EQUIPMENT NOT OTHERWISE PROVIDED FOR ; TOILET ACCESSORIES - wider bars mean more grants

patents

What this shows Gojo Industries is the most active filer in A47K, holding 220 of the 3,567 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

About This Class

CPC subclass A47K belongs to class A47.

3,567 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.

Footprint here vs. claim strategy

Each dot is a leading A47K 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 A47K assignees by class footprint. Bubble size = patents in A47K. Source: USPTO PatentsView (claim depth is company-wide across all classes).

Top 14 A47K assignees by class footprint. Bubble size = patents in A47K. Source: USPTO PatentsView (claim depth is company-wide across all classes). Scatter plot of 14 data points (bubble-sized by third dimension). 0510152025 050100150200250 Patents in A47K Avg claims / patent (company-wide) Gojo IndustriesKohlerKimberly-clark Worldw…Gpcp Ip HoldingsOp-hygiene IpEssity Hygiene And He…TotoDaio PaperSca Hygiene Products…Liberty Hardware MfgDelta FaucetDispensing Dynamics I…Georgia-pacific Consu…Bemis Manufacturing
Top 14 A47K assignees by class footprint. Bubble size = patents in A47K. Source: USPTO PatentsView (claim depth is company-wide across all classes).

Frequently Asked Questions

What is CPC class A47K?
CPC subclass A47K covers SANITARY EQUIPMENT NOT OTHERWISE PROVIDED FOR ; TOILET ACCESSORIES. It belongs to CPC class A47 (FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL), with 3,567 US utility patents granted since 2015.
How many patents have been filed in A47K?
3,567 US utility patents were granted in CPC subclass A47K between 2015 and 2025, based on USPTO PatentsView data.
Which company holds the most patents in A47K?
GOJO Industries, Inc. leads A47K with 220 patents, making it the most active assignee in this technology area.
How is patent data for A47K 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., A47) is a broad technology category. Subclasses like A47K provide finer granularity within that category. PlainPatent organizes data at the subclass level (4-character codes) for the most useful view of technology domains.
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.