CPC technology class · D05

D05B - Sewing

Sewing. 989 US utility patents granted 2015–2025, with the leading assignees and year-by-year filing trajectory.

989
US patents granted
D05
Parent CPC class
20
Active assignees
+16%
5-yr velocity

The verdict

Sewing ranks #459 of 670 CPC technology areas - 989 US patents granted since 2015, with filing up 16% over five years.

#459
of 670 CPC technology areas
989
US patents granted, 2015–2025
Brother Kogyo
leading assignee (164)
+16%
filing velocity, last 5 yrs
Top assignee: Brother Kogyo Kabushiki Kaisha (164 patents)

CPC subclass D05B - SEWING - covers 989 US utility patents granted between 2015 and 2025 according to USPTO PatentsView records, within the broader CPC class D05 (SEWING; EMBROIDERING; TUFTING). See our CPC classification guide for how the system works.

The competitive landscape in D05B is shaped by 20 distinct companies actively filing in this space. Brother Kogyo Kabushiki Kaisha leads with 164 patents, followed by Janome Sewing Machine Co., Ltd. at 99 grants and JUKI Corporation at 42.

Filing activity in D05B is up 16% 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 D05B innovation accelerating?

US utility-patent grants per year in D05B, 2015–2025 - recent five years are up 16% versus 2015–2019.

60708090100110 20152016201720182019202020212022202320242025 69

Who leads D05B?

The 12 most active assignees in SEWING - wider bars mean more grants

patents

What this shows Brother Kogyo is the most active filer in D05B, holding 164 of the 989 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 D05B belongs to class D05.

989 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 D05B 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 D05B assignees by class footprint. Bubble size = patents in D05B. Source: USPTO PatentsView (claim depth is company-wide across all classes).

Top 14 D05B assignees by class footprint. Bubble size = patents in D05B. Source: USPTO PatentsView (claim depth is company-wide across all classes). Scatter plot of 14 data points (bubble-sized by third dimension). 0510152025 050100150200 Patents in D05B Avg claims / patent (company-wide) Brother KogyoJanome Sewing MachineJukiAbm InternationalSoftwear AutomationInteva ProductsJanomeGracewood ManagementL&P Property Manageme…Warrior SportsEdwards LifesciencesHandi QuilterClover MfgSuzuki Manufacturing
Top 14 D05B assignees by class footprint. Bubble size = patents in D05B. Source: USPTO PatentsView (claim depth is company-wide across all classes).

Frequently Asked Questions

What is CPC class D05B?
CPC subclass D05B covers SEWING. It belongs to CPC class D05 (SEWING; EMBROIDERING; TUFTING), with 989 US utility patents granted since 2015.
How many patents have been filed in D05B?
989 US utility patents were granted in CPC subclass D05B between 2015 and 2025, based on USPTO PatentsView data.
Which company holds the most patents in D05B?
Brother Kogyo Kabushiki Kaisha leads D05B with 164 patents, making it the most active assignee in this technology area.
How is patent data for D05B 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., D05) is a broad technology category. Subclasses like D05B 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.