CPC technology class · D02

D02H - Warping

Warping, beaming or leasing. 37 US utility patents granted 2015–2025, with the leading assignees and year-by-year grant trajectory.

Compiled by PlainPatent · May 15, 2026

37
US patents granted: #3/3
in D02: 2.0%
D02 class share: +7%
5-yr velocity

The verdict

According to USPTO PatentsView, Warping ranks #646 of 670 CPC technology areas - 37 US patents granted since 2015, with recorded grant volume up 7% over five years.

#646
of 670 CPC technology areas: 37
US patents granted, 2015–2025: Columbia Insurance
leading assignee (9): +7%
grant velocity, last 5 yrs

How D02H's grant cadence moved

Between 2020–2024, D02H recorded 15 grants versus 14 in 2015–2019 (+7% equal-window velocity). Across complete years, output peaked in 2017 at 6 grants and bottomed in 2015 at 1 (+500% peak-over-trough). Lead assignee Btsr International S.P.A. holds 5.4% of the class ; the top three share 16.2%.

Leaderboard read

D02H concentration, lead at 5.4%

Btsr International S.P.A. leads this historical grant record at 5.4% of D02H - foreign corporation assignees hold 67% of class grants (8 of 12). Figures describe granted US utility patents in this CPC subclass, not current investment or legal strength.

Leader's share: 5.4%
Top three share: 16.2%
Lead over #2: 0

Where D02H sits inside D02

Among 3 subclasses in D02 (YARNS; Mechanical Finishing OF Yarns OR ROPES; Warping OR Beaming), D02H ranks #3 and holds 2.0% of the parent class's 1,845 recorded grants. Sibling chips below are the other subclasses in the same parent class, not the nationwide volume/lead-share peers further down.

D02G 1,439 D02J 369

D02H grants by year, peak 2017 (6)

US utility-patent grants per year in D02H, 2015–2025 - recent five years are up 7% versus 2015–2019.

Btsr International S…

2
The Secant Group

2
Michel Van De Wiele

2
Oerlikon Textile & Kg

1
Tsudakoma Kogyo

1
Vandewiele

1
Tuftco

1
American Linc

1
Calik Denim Tekstil…

1

What this shows Columbia Insurance is the most active filer in D02H, holding 9 of the 37 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 D02H
Rank	Company	Patents in D02H
#1	Btsr International S.P.A.	2
#2	THE Secant Group, LLC	2
#3	NV Michel VAN DE Wiele	2
#4	Oerlikon Textile GmbH & Co. KG	1
#5	Tsudakoma Kogyo Kabushiki Kaisha	1
#6	Vandewiele NV	1
#7	Tuftco Corporation	1
#8	American Linc, LLC	1
#9	Calik Denim Tekstil SAN. VE TIC. A.S.	1

Footprint here vs. claim strategy

Each dot is a leading D02H 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 9 D02H assignees by class footprint. Bubble size = patents in D02H. Source: USPTO PatentsView (claim depth is company-wide across all classes).

Questions about D02H

Which company holds the most patents in D02H?

Columbia Insurance Company leads D02H with 9 patents (5.4% of the subclass). By PatentsView assignee type, foreign corporations account for 67% of class grants.

How does D02H compare inside parent class D02?

Inside D02 (YARNS; Mechanical Finishing OF Yarns OR ROPES; Warping OR Beaming), D02H ranks #3 of 3 subclasses by grant volume and holds 2.0% of the parent class total. The largest sibling is D02G (1,439 grants).

What to do with this data

D02H in context - here's where to go next.

Btsr International S.P.A. leads D02H with 2 grants in this class. See full portfolio
D02H ranks #646 of 670 by grant volume among all tracked CPC technology areas. See the ranking
Inside parent class D02, the largest sibling subclass is D02G with 1,439 grants. Explore D02G

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

Methodology - D02H figures are USPTO PatentsView granted-utility totals for this subclass (37 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.