PlainPatent

CPC technology class · D03

D03J - Auxiliary Weaving Apparatus

Auxiliary weaving apparatus; weavers' tools; shuttles. 87 US utility patents granted 2015–2025, with the leading assignees and year-by-year filing trajectory.

87
US patents granted
D03
Parent CPC class
16
Active assignees
+154%
5-yr velocity

The verdict

Auxiliary Weaving Apparatus ranks #625 of 670 CPC technology areas - 87 US patents granted since 2015, with filing up 154% over five years.

#625
of 670 CPC technology areas
87
US patents granted, 2015–2025
Apple
leading assignee (10)
+154%
filing velocity, last 5 yrs
Top assignee: Apple Inc. (10 patents)

CPC subclass D03J - AUXILIARY WEAVING APPARATUS; WEAVERS' TOOLS; SHUTTLES - covers 87 US utility patents granted between 2015 and 2025 according to USPTO PatentsView records, within the broader CPC class D03 (WEAVING). See our CPC classification guide for how the system works.

The competitive landscape in D03J is shaped by 16 distinct companies actively filing in this space. Apple Inc. leads with 10 patents, followed by Coloreel Group AB at 4 grants and Tsudakoma Kogyo Kabushiki Kaisha at 3.

Filing activity in D03J is up 154% 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 D03J innovation accelerating?

US utility-patent grants per year in D03J, 2015–2025 - recent five years are up 154% versus 2015–2019.

051015 20152016201720182019202020212022202320242025 6

Who leads D03J?

The 12 most active assignees in AUXILIARY WEAVING APPARATUS; WEAVERS' TOOLS; SHUTTLES - wider bars mean more grants

patents

What this shows Apple is the most active filer in D03J, holding 10 of the 87 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 D03J
Rank Company Patents in D03J
#1 Groz-beckert KG 5
#2 Coloreel Group AB 4
#3 Tsudakoma Kogyo Kabushiki Kaisha 3
#4 Albany Engineered Composites, Inc. 3
#5 Uster Technologies Ag 3
#6 Vandewiele Nv 2
#7 Lindauer Dornier Gesellschaft MIT Beschraenkter Haftung 2
#8 Staubli Faverges 1
#9 BTSR International S.p.a. 1
#10 Nv Michel VAN DE Wiele 1
#11 Textilma Ag 1
#12 Kordsa Global Endustrivel Iplik VE KORD BEZI Sanayi VE Ticaret Anonim Sirketi 1
#13 L.g.l. Electronics S.p.a. 1
#14 Wowwee Group Ltd. 1
#15 Staubli Bayreuth Gmbh 1
#16 Lindauer Dornier Gesellschaft Mbh 1

About This Class

CPC subclass D03J belongs to class D03.

87 patents were granted in this class between 2015 and 2025.

16 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 D03J 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 D03J assignees by class footprint. Bubble size = patents in D03J. Source: USPTO PatentsView (claim depth is company-wide across all classes).

Top 14 D03J assignees by class footprint. Bubble size = patents in D03J. Source: USPTO PatentsView (claim depth is company-wide across all classes). Scatter plot of 14 data points (bubble-sized by third dimension). 05101520 0123456 Patents in D03J Avg claims / patent (company-wide) Groz-beckert KgColoreel Group AbTsudakoma KogyoAlbany Engineered Com…UsterVandewieleLindauer Dornier Gese…Staubli FavergesBtsr International S…Michel Van De WieleTextilmaKordsa Global Endustr…L G L S P AWowwee Group
Top 14 D03J assignees by class footprint. Bubble size = patents in D03J. Source: USPTO PatentsView (claim depth is company-wide across all classes).

Frequently Asked Questions

What is CPC class D03J?
CPC subclass D03J covers AUXILIARY WEAVING APPARATUS; WEAVERS' TOOLS; SHUTTLES. It belongs to CPC class D03 (WEAVING), with 87 US utility patents granted since 2015.
How many patents have been filed in D03J?
87 US utility patents were granted in CPC subclass D03J between 2015 and 2025, based on USPTO PatentsView data.
Which company holds the most patents in D03J?
Apple Inc. leads D03J with 10 patents, making it the most active assignee in this technology area.
How is patent data for D03J 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., D03) is a broad technology category. Subclasses like D03J 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.