PlainPatent

CPC technology class · A47

A47B - Tables

Tables; desks; office furniture; cabinets; drawers; general details of furniture. 7,915 US utility patents granted 2015–2025, with the leading assignees and year-by-year filing trajectory.

7,915
US patents granted
A47
Parent CPC class
20
Active assignees
+15%
5-yr velocity

The verdict

Tables ranks #196 of 670 CPC technology areas - 7,915 US patents granted since 2015, with filing up 15% over five years.

#196
of 670 CPC technology areas
7,915
US patents granted, 2015–2025
King Slide Works
leading assignee (271)
+15%
filing velocity, last 5 yrs
Top assignee: King Slide Works Co., Ltd. (271 patents)

CPC subclass A47B - TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE - covers 7,915 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 A47B is shaped by 20 distinct companies actively filing in this space. King Slide Works Co., Ltd. leads with 271 patents, followed by King Slide Works Co., Ltd. at 271 grants and Steelcase Inc. at 133.

Filing activity in A47B is up 15% over the past five years versus 2015-2019, a relatively steady filing pace. All counts come directly from USPTO PatentsView and reflect US granted utility patents only.

Is A47B innovation accelerating?

US utility-patent grants per year in A47B, 2015–2025 - recent five years are up 15% versus 2015–2019.

400500600700800900 20152016201720182019202020212022202320242025 482

Who leads A47B?

The 12 most active assignees in TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE - wider bars mean more grants

patents

What this shows King Slide Works is the most active filer in A47B, holding 271 of the 7,915 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 A47B
Rank Company Patents in A47B
#1 King Slide Technology Co., Ltd. 271
#2 King Slide Works Co., Ltd. 271
#3 Steelcase Inc. 133
#4 Whirlpool Corporation 127
#5 Julius BLUM Gmbh 127
#6 RTC Industries, Inc. 86
#7 Ergotron, Inc. 72
#8 Fasteners For Retail, Inc. 69
#9 Valinge Innovation AB 58
#10 Grass Gmbh 55
#11 BSH Hausgeräte Gmbh 54
#12 Paul Hettich Gmbh & Co. KG 51
#13 Kohler Co. 46
#14 Target Brands, Inc. 46
#15 Lifetime Products, Inc. 46
#16 Inno-sports Co., Ltd. 43
#17 Haier US Appliance Solutions, Inc. 40
#18 B/e Aerospace, Inc. 36
#19 Electrolux HOME Products, Inc. 36
#20 New-tec Integration (xiamen) Co., Ltd. 32

About This Class

CPC subclass A47B belongs to class A47.

7,915 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 A47B 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 A47B assignees by class footprint. Bubble size = patents in A47B. Source: USPTO PatentsView (claim depth is company-wide across all classes).

Top 14 A47B assignees by class footprint. Bubble size = patents in A47B. Source: USPTO PatentsView (claim depth is company-wide across all classes). Scatter plot of 14 data points (bubble-sized by third dimension). 81012141618 050100150200250300 Patents in A47B Avg claims / patent (company-wide) King Slide TechnologyKing Slide WorksSteelcaseWhirlpoolJulius BlumRtc IndustriesErgotronFasteners for RetailValinge Innovation AbGrassBsh HausgerätePaul Hettich & KgKohlerTarget Brands
Top 14 A47B assignees by class footprint. Bubble size = patents in A47B. Source: USPTO PatentsView (claim depth is company-wide across all classes).

Frequently Asked Questions

What is CPC class A47B?
CPC subclass A47B covers TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE. It belongs to CPC class A47 (FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL), with 7,915 US utility patents granted since 2015.
How many patents have been filed in A47B?
7,915 US utility patents were granted in CPC subclass A47B between 2015 and 2025, based on USPTO PatentsView data.
Which company holds the most patents in A47B?
King Slide Works Co., Ltd. leads A47B with 271 patents, making it the most active assignee in this technology area.
How is patent data for A47B 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 A47B 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.