CPC technology class · D03

D03D - Woven Fabrics

Woven fabrics; methods of weaving; looms. 2,141 US utility patents granted 2015–2025, with the leading assignees and year-by-year grant trajectory.

Compiled by PlainPatent · May 15, 2026

2,141
US patents granted: #1/3
in D03: 92.6%
D03 class share: +30%
5-yr velocity

The verdict

According to USPTO PatentsView, Woven Fabrics ranks #362 of 670 CPC technology areas - 2,141 US patents granted since 2015, with recorded grant volume up 30% over five years.

#362
of 670 CPC technology areas: 2,141
US patents granted, 2015–2025: Apple
leading assignee (71): +30%
grant velocity, last 5 yrs

How D03D's grant cadence moved

Between 2020–2024, D03D recorded 1,072 grants versus 827 in 2015–2019 (+30% equal-window velocity). Across complete years, output peaked in 2020 at 243 grants and bottomed in 2015 at 115 (+111% peak-over-trough). Lead assignee Federal-Mogul Powertrain LLC holds 2.2% of the class ; the top three share 5.5%.

Leaderboard read

D03D concentration, lead at 2.2%

Federal-Mogul Powertrain LLC leads this historical grant record at 2.2% of D03D - foreign corporation assignees hold 58% of class grants (556 of 958). Figures describe granted US utility patents in this CPC subclass, not current investment or legal strength.

Leader's share: 2.2%
Top three share: 5.5%
Lead over #2: 10

Where D03D sits inside D03

Among 3 subclasses in D03 (Weaving), D03D ranks #1 and holds 92.6% 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.

D03J 87 D03C 85

Rising assignees active in D03D

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 Tsudakoma Kogyo Kabushiki Kaisha 6.00x 5 → 30 company-wide · 15 in D03D
#2 Intumescents Associates Group (IAG), LLC 5.00x 0 → 5 company-wide · 5 in D03D
#3 Safran Nacelles 3.26x 39 → 127 company-wide · 5 in D03D
#4 Levi Strauss & Co. 2.85x 20 → 57 company-wide · 37 in D03D
#5 Albany Engineered Composites, Inc. 2.75x 4 → 11 company-wide · 18 in D03D

D03D grants by year, peak 2020 (243)

US utility-patent grants per year in D03D, 2015–2025 - recent five years are up 30% versus 2015–2019.

Federal-mogul…

47
Levi Strauss &

37
Milliken &

33
Snecma

31
Sanko Tekstil…

28
Safran

23
Nippon Filcon

21
Voith Patent

18
Albany Engineered…

18
Toyobo

17
Southern Mills

17
Ykk

15

What this shows Apple is the most active filer in D03D, holding 71 of the 2,141 patents in this class. Concentration at the top signals how contestable this technology area is for new entrants.

View data table

Top patent holders in CPC subclass D03D
Rank	Company	Patents in D03D
#1	Federal-Mogul Powertrain LLC	47
#2	Levi Strauss & Co.	37
#3	Milliken & Company	33
#4	Snecma	31
#5	Sanko Tekstil Isletmeleri San. Ve Tic. A.S.	28
#6	Safran	23
#7	Nippon Filcon Co., Ltd.	21
#8	Voith Patent GmbH	18
#9	Albany Engineered Composites, Inc.	18
#10	Toyobo Co., Ltd.	17
#11	Southern Mills, Inc.	17
#12	YKK Corporation	15
#13	Herakles	15
#14	Warrior Sports, Inc.	15
#15	Tsudakoma Kogyo Kabushiki Kaisha	15
#16	NV Michel VAN DE Wiele	15
#17	Cook Medical Technologies LLC	14
#18	Nitto Boseki Co., Ltd.	14
#19	Seiren Co., Ltd.	13
#20	Welspun India Limited	11

Footprint here vs. claim strategy

Each dot is a leading D03D 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 D03D assignees by class footprint. Bubble size = patents in D03D. Source: USPTO PatentsView (claim depth is company-wide across all classes).

Classes near D03D's 2,141-grant footprint

Nationwide nearest neighbors for D03D (#362 of 670 by volume ; lead share 3.3%) - not the D03 parent-class siblings above.

Nearest by grant volume

B24D 2,145 F27B 2,129 A44B 2,161 G09C 2,112

Nearest by lead-assignee share

D01F 3.3% F02G 3.3% F41H 3.3% E04G 3.3%

Questions about D03D

Which company holds the most patents in D03D?

Apple Inc. leads D03D with 71 patents (2.2% of the subclass). By PatentsView assignee type, foreign corporations account for 58% of class grants.

Which D03D assignees grew fastest recently?

Among assignees with ≥5 grants in D03D, Tsudakoma Kogyo Kabushiki Kaisha shows the highest company-wide grant multiple (6.00x: 5 grants in 2019–2021 → 30 in 2022–2024) while holding 15 patents in this subclass. Growth is company-wide, not class-only.

How does D03D compare inside parent class D03?

Inside D03 (Weaving), D03D ranks #1 of 3 subclasses by grant volume and holds 92.6% of the parent class total. The largest sibling is D03J (87 grants).

What to do with this data

D03D in context - here's where to go next.

Federal-Mogul Powertrain LLC leads D03D with 47 grants in this class. See full portfolio
D03D ranks #362 of 670 by grant volume among all tracked CPC technology areas. See the ranking
Inside parent class D03, the largest sibling subclass is D03J with 87 grants. Explore D03J

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

Methodology - D03D figures are USPTO PatentsView granted-utility totals for this subclass (2,141 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.