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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 grant trajectory.

87
US patents granted
#2/3
in D03
3.8%
D03 class share
+129%
5-yr velocity

The verdict

According to USPTO PatentsView, Auxiliary Weaving Apparatus ranks #625 of 670 CPC technology areas - 87 US patents granted since 2015, with recorded grant volume up 129% over five years.

#625
of 670 CPC technology areas
87
US patents granted, 2015–2025
Apple
leading assignee (10)
+129%
grant velocity, last 5 yrs

How D03J's grant cadence moved

Between 2020–2024, D03J recorded 55 grants versus 24 in 2015–2019 (+129% equal-window velocity). Across complete years, output peaked in 2020 at 13 grants and bottomed in 2016 at 3 (+333% peak-over-trough). Lead assignee Groz-beckert KG holds 5.7% of the class ; the top three share 13.8%.

Leaderboard read

D03J concentration, lead at 5.7%

Groz-beckert KG leads this historical grant record at 5.7% of D03J - foreign corporation assignees hold 90% of class grants (28 of 31). Figures describe granted US utility patents in this CPC subclass, not current investment or legal strength.

Leader's share
5.7%

5 of 87 grants

Top three share
13.8%

of the class's recorded grants

Lead over #2
1

more grants than Coloreel Group AB

Where D03J sits inside D03

Among 3 subclasses in D03 (Weaving), D03J ranks #2 and holds 3.8% of the parent class's 2,313 recorded grants. Sibling chips below are the other subclasses in the same parent class, not the nationwide volume/lead-share peers further down.

D03D 2,141 D03C 85

Rising assignees active in D03J

Company-wide grant multiples (2022–2024 vs 2019–2021) among assignees with ≥5 patents in this subclass. Growth is company-wide; class patent counts are subclass-specific.

  1. #1 Groz-beckert KG 0.81x 21 → 17 company-wide · 5 in D03J

D03J grants by year, peak 2020 (13)

US utility-patent grants per year in D03J, 2015–2025 - recent five years are up 129% 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

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). 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…UsterVandewieleLindauer Dornier…Staubli FavergesBtsr International S…Michel Van De WieleTextilmaKordsa Global…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).

Questions about D03J

Which company holds the most patents in D03J?
Apple Inc. leads D03J with 10 patents (5.7% of the subclass). By PatentsView assignee type, foreign corporations account for 90% of class grants.
Which D03J assignees grew fastest recently?
Among assignees with ≥5 grants in D03J, Groz-beckert KG shows the highest company-wide grant multiple (0.81x: 21 grants in 2019–2021 → 17 in 2022–2024) while holding 5 patents in this subclass. Growth is company-wide, not class-only.
How does D03J compare inside parent class D03?
Inside D03 (Weaving), D03J ranks #2 of 3 subclasses by grant volume and holds 3.8% of the parent class total. The largest sibling is D03D (2,141 grants).

What to do with this data

D03J in context - here's where to go next.

Figures reflect USPTO PatentsView grant data through 2026-05-15; pending applications not yet granted are not counted.

Methodology - D03J figures are USPTO PatentsView granted-utility totals for this subclass (87 grants in the tracked window).

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.