USPTO 2015–2025 USPTO PatentsView US Corporation

Southern Mills, Inc.

USPTO PatentsView assignee record - 24 granted patents across 15 technology areas, active 2016–2025. Filing-trend and competitive-moat analysis cross-referenced to USPTO Patent Public Search. Primary class: D03D (WOVEN FABRICS; METHODS OF WEAVING; LOOMS).

Compiled byPlainPatent Editorial, US Patent Intelligence Editorial Team · May 15, 2026

Explore the portfolio See the ranking

Total patents granted

CPC technology areas

22.5

Avg claims per patent

+40%

5-year filing velocity

The verdict

Southern holds 24 US patents across 15 technology areas, rank #12,686 of 50,000 tracked assignees.

#12,686
of 50,000 US assignees by volume: Top 20%
by Innovation Score (46.9/100): 22.5
avg claims per patent: +40%
filing velocity, last 5 yrs

Portfolio overview

Southern Mills, Inc. has been granted 24 US utility patents between 2016 and 2025, placing Southern Mills, Inc. at rank #12,686 across all assignees tracked by PlainPatent. This portfolio spans 15 distinct Cooperative Patent Classification (CPC) subclasses, averaging 22.5 claims per patent with primary concentration in D03D (WOVEN FABRICS; METHODS OF WEAVING; LOOMS). As a US Corporation, Southern Mills, Inc. is one of the more focused assignees in the PatentsView dataset. By volume, Southern sits between Shanghai XPT Technology Limited (24 patents, rank #12,682) and Strata Products Worldwide, Llc (24 patents, rank #12,690) - the closest US assignees by grant volume. The composite Innovation Score of 46.9/100 blends portfolio volume, filing velocity, technology breadth, and claim depth into a single comparable measure drawn directly from USPTO PatentsView records.

Filing cadence tells the strategic story. Between 2020 and 2025 the company received 14 grants, compared with 10 in the 2015–2019 window, a +40% shift in five-year velocity. Steady filing volume suggests sustained innovation without dramatic pivots. The US Corporation classification further shapes interpretation, since corporate, government, and individual filers pursue patents for materially different reasons.

Claim depth and technology breadth together indicate competitive posture. Southern Mills, Inc.'s 22.5 average claims per patent reflects complex, broadly scoped inventions that are difficult for competitors to design around, while concentration in 15 subclasses points to a focused technical program. Combined with portfolio volume, these signals let analysts, investors, and licensing professionals benchmark Southern Mills, Inc. against peers pursuing similar technology classes.

Shanghai XPT Tech…

24
Silcotek

24
Sioux Steel

24
Siwa

24
Spin Transfer

24
Spireon

24
Spredfast

24
Strata Products W…

24
Southern Mills ◀

24

What this shows Southern holds 24 patents at rank #12,686, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Southern

By rank, the assignees closest to #12,686 in granted patent volume.

Leaders in D03D (Woven Fabrics)

Other assignees with the most granted patents in Southern's primary technology class.

Southern's Innovation Score vs. every tracked assignee

Composite of portfolio volume, filing velocity, technology breadth, and claim depth (0–100)

47 Top 20% higher than 80% of 50,000 US assignees

Each bar is a band; taller bars hold more US assignees. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source USPTO PatentsView, PlainPatent Innovation Score · 2015–2025

USPTO utility patent grants by year · 2016–2025

Grants by year

Teal-shaded recent years (2020–present) versus the 2016–2019 baseline. Full figures in the table below.

View data table

Southern Mills, Inc. patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2016	1	4.2%
2017	2	8.3%
2018	3	12.5%
2019	4	16.7%
2020	3	12.5%
2022	2	8.3%
2023	3	12.5%
2024	4	16.7%
2025	2	8.3%

Which technologies does Southern Mills, Inc. patent most?

D03D - WOVEN FABRICS; METHODS OF WEAVING; LOOMS 17

D10B - INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES 16

Y10T - TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION 14

D02G - CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS 13

A41D - OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES 12

D04B - KNITTING 5

A62B - DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING 5

D06M - TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS 5

D06N - WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR 3

D01F - CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS 3

D04H - MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL ; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION 1

F41H - ARMOUR; ARMOURED TURRETS; ARMOURED OR ARMED VEHICLES; MEANS OF ATTACK OR DEFENCE, e.g. CAMOUFLAGE, IN GENERAL 1

Y10S - TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS 1

B32B - LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM 1

A61L - METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES 1

Top 15 of 15 technology areas

Patent Moat Analysis

Portfolio Volume Light

Tech Breadth Focused

Claim Depth Complex

Velocity Growing

Where it ranks

Overall rank by patents

#12,686

Across all tracked assignees

Innovation Score

46.9 out of 100

View all rankings →

Data Source

USPTO PatentsView, US granted patents 2015–2025

How is Innovation Score calculated?

Frequently Asked Questions

How many patents does Southern Mills, Inc. hold?

Southern Mills, Inc. holds 24 US granted patents filed between 2016 and 2025, spanning 15 technology areas.

What is Southern Mills, Inc.'s Innovation Score?

Southern Mills, Inc. has an Innovation Score of 46.9 out of 100. This composite metric weighs portfolio volume (40%), filing velocity (20%), technology breadth (25%), and claim depth (15%).

What technology areas does Southern Mills, Inc. focus on?

Southern Mills, Inc.'s top technology area is D03D (WOVEN FABRICS; METHODS OF WEAVING; LOOMS) with 17 patents. The company has filed patents in 15 CPC subclasses total.

Is Southern Mills, Inc.'s patent filing rate increasing or decreasing?

Southern Mills, Inc.'s recent filing velocity is +40% compared to the prior five-year period. The company is maintaining or growing its patent output.

What does claim depth mean for Southern Mills, Inc.'s patents?

Southern Mills, Inc.'s patents average 22.5 claims each. This indicates complex, broadly scoped patents that are harder for competitors to design around.

How is the Southern Mills, Inc. patent data sourced?

All patent data comes from USPTO PatentsView, a public research dataset maintained by the United States Patent and Trademark Office covering US granted utility patents from 2015 to 2025.

How to use this portfolio

Southern's 24 grants land it in the top 20% by Innovation Score, but volume alone doesn't tell you where the strength sits.

Read that count against the largest US assignees before treating it as dominance - Southern ranks #12,686 of 50,000. Top 50 holders
Most of this portfolio concentrates in D03D - see who else leads that technology area. D03D leaders
Check what the four-part Innovation Score actually rewards before comparing it to another company. How the score works

Patent counts and the Innovation Score measure patenting activity, not commercial success or the legal strength of any patent. Many patents are filed defensively. Verify the status of an individual patent against official USPTO records.

Data sourced from USPTO PatentsView - official U.S. government patent data. See our methodology for computation details. Retrieved and formatted by PlainPatent Editorial

Disclaimer: This information is provided for informational purposes only and does not constitute professional advice. Data is sourced from the USPTO PatentsView database. Consult a qualified professional before making decisions based on this data.

Read our methodology - how this data is sourced, computed, and verified.

Data sources used on this page

USPTO PatentsView - the disambiguated bulk patent-grant, assignee, and CPC data this page's figures are derived from. patentsview.org
Cooperative Patent Classification (CPC) - the joint USPTO/EPO classification scheme used to group patents by technology area. cooperativepatentclassification.org
USPTO Patent Public Search - the official interface to verify the status of any individual patent. ppubs.uspto.gov

Compiled byPlainPatent Editorial, US Patent Intelligence Editorial Team · May 15, 2026

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. Data current as of May 2026.