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
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.
Who leads A47K?
The 12 most active assignees in SANITARY EQUIPMENT NOT OTHERWISE PROVIDED FOR ; TOILET ACCESSORIES - wider bars mean more grants
- Gojo Industries
GOJO Industries, Inc.
220 patents
- Kohler
Kohler Co.
150 patents
- Kimberly-clark Worldw…
Kimberly-Clark Worldwide, Inc.
142 patents
- Gpcp Ip Holdings
GPCP IP Holdings LLC
96 patents
- Op-hygiene Ip 84
OP-HYGIENE IP GMBH
84 patents
- Essity Hygiene And He… 77
ESSITY HYGIENE AND HEALTH AKTIEBOLAG
77 patents
- Toto 57
TOTO LTD.
57 patents
- Daio Paper 44
Daio Paper Corporation
44 patents
- Sca Hygiene Products… 41
SCA HYGIENE PRODUCTS AB
41 patents
- Liberty Hardware Mfg 40
LIBERTY HARDWARE MFG. CORP.
40 patents
- Delta Faucet 31
DELTA FAUCET COMPANY
31 patents
- Dispensing Dynamics I… 23
Dispensing Dynamics International, Inc.
23 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.
View data table
| Rank | Company | Patents in A47K |
|---|---|---|
| #1 | GOJO Industries, Inc. | 220 |
| #2 | Kohler Co. | 150 |
| #3 | Kimberly-clark Worldwide, Inc. | 142 |
| #4 | GPCP IP Holdings Llc | 96 |
| #5 | Op-hygiene IP Gmbh | 84 |
| #6 | Essity Hygiene AND Health Aktiebolag | 77 |
| #7 | TOTO Ltd. | 57 |
| #8 | Daio Paper Corporation | 44 |
| #9 | SCA Hygiene Products AB | 41 |
| #10 | Liberty Hardware MFG. Corp. | 40 |
| #11 | Delta Faucet Company | 31 |
| #12 | Dispensing Dynamics International, Inc. | 23 |
| #13 | Georgia-pacific Consumer Products Lp | 20 |
| #14 | Bemis Manufacturing Company | 20 |
| #15 | Dyson Technology Limited | 19 |
| #16 | THE Clorox Company | 19 |
| #17 | Cascades Canada ULC | 19 |
| #18 | SCA Tissue France | 18 |
| #19 | Bobrick Washroom Equipment, Inc. | 17 |
| #20 | Simplehuman, Llc | 16 |
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).
Frequently Asked Questions
What is CPC class A47K?
How many patents have been filed in A47K?
Which company holds the most patents in A47K?
How is patent data for A47K collected?
What is the difference between CPC class and subclass?
Read our methodology - how this data is sourced, computed, and verified.
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.