Where does Exterior Wall Systems Limited rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Exterior Wall Systems Limited ranks #11,244 of 49,997 assignees by granted-patent volume, the same sort as the companies listing and top-holders ranking. See /methodology/#corpus-placement.

How many patents does Exterior Wall Systems Limited hold?

Exterior Wall Systems Limited holds 27 US utility patents granted between 2015 and 2020, spanning 5 technology areas.

What is Exterior Wall Systems Limited's Innovation Score?

Exterior Wall Systems Limited has an Innovation Score of 21.2 out of 100 (8th percentile of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

What technology areas does Exterior Wall Systems Limited focus on?

Exterior Wall Systems Limited's top technology area is E04F (Finishing Work ON Buildings, e.g. Stairs, Floors) with 2 patents, ranking #275 of 584 assignees active in that subclass. Grants appear in 5 CPC subclasses total.

Is Exterior Wall Systems Limited's patent grant rate increasing or decreasing?

Exterior Wall Systems Limited's recent grant velocity is -96% compared to the prior five-year period (grant years, not application filing dates). Grant activity has slowed relative to earlier years.

What does claim depth mean for Exterior Wall Systems Limited's patents?

Exterior Wall Systems Limited's patents average 2.9 claims each. This is an aggregate descriptive count from the grant record; it does not establish claim scope, legal strength, enforceability, or design-around risk.

How is the Exterior Wall Systems Limited 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.

USPTO 2015–2025 USPTO PatentsView Foreign Corporation

Exterior Wall Systems Limited

USPTO PatentsView assignee record - 27 granted patents across 5 technology areas, recorded in grant years 2015–2020. Grant-trend analysis is cross-referenced to USPTO Patent Public Search; it does not measure application filings, current R&D, or legal strength. Primary class: E04F (Finishing Work ON Buildings, e.g. Stairs, Floors).

Compiled by PlainPatent · May 15, 2026

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The verdict

According to USPTO PatentsView, Exterior ranks #11,244 of 49,997 tracked US assignees by granted-patent volume, with 27 patents across 5 technology areas.

#11,244
of 49,997 US assignees by volume: 8th percentile
by Innovation Score (21.2/100): 2.9
avg claims per patent: -96%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R11244 · Foreign Corporation #11,244 · 27 grants

GRANTS-SMALL · UPPER-Q · PHOTO-FINISH · CPC-NARROW · INNOV-THIN · CLAIMS-SPARSE · TYPE-FRNCORP · VEL-DROP · BOOK-FULL

GRANTS-SMALL 27 grants
UPPER-Q #11,244/49,997
PHOTO-FINISH Eaglepicher
CPC-NARROW E04F · 5 areas
INNOV-THIN 21.2/100
CLAIMS-SPARSE 2.9 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-DROP -96% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Eaglepicher Technologies, LLC (±0 grants)

Instrument codes from this assignee’s USPTO PatentsView grant sheet: volume band, corpus rank, photo-finish peer, lead CPC, Innovation Score, claim depth, assignee type, velocity, and book completeness. Not a USPTO rating of patent strength.

How Exterior’s 21.2 Innovation Score adds up

The same four weighted components behind every Innovation Score on PlainPatent: portfolio volume, grant velocity, technology breadth, and claim depth.

Volume 11.5 pts (54%) Velocity 0.0 pts (0%) Breadth 7.9 pts (37%) Claim depth 1.8 pts (8%)

Qualcomm Incorporated · highest

85
Busch Systems… · near

21
Ardagh Metal… · near

21
Kiwi Technology · near

21
Exterior Wall Systems · this assignee

21
The Marco · near

21
3D Lighting… · lowest

7

What this shows Exterior's Innovation Score is 21.2/100 (8th percentile of the PatentsView-derived corpus). The chart places that score against the nearest Innovation Score peers plus corpus poles, not a reprint of the volume ranking.

Does more volume mean deeper claims for Exterior?

Each dot is one of Exterior’s 8 nearest volume peers (same corpus rank neighbourhood as the chart above), placed by total granted patents (horizontal) against average claims per patent (vertical). Exterior’s own 2.9 claims/patent is at or below the 15.4 median for these volume peers. Volume here does not track with deeper claims; several lower-volume peers claim more thoroughly per patent.

Exterior vs its 8 nearest volume peers: granted patents vs average claims per patent. Source: USPTO PatentsView.

Where Exterior's grants concentrate

Exterior Wall Systems Limited is a focused PatentsView assignee: 5 CPC subclasses with 7.4% of grants classified under E04F (Finishing Work ON Buildings, e.g. Stairs, Floors). Peak complete grant year is 2018 (22 grants) versus a trough of 1 in 2020. By volume, Exterior sits between Eugster / Frismag AG and Farapulse, Inc..

Eugster / Frismag

27
Eaglepicher

27
Ecofasten Solar

27
Power Design

27
First Principles

27
Focaltech

27
FTS Computertechn…

27
Farapulse

27
Exterior Wall Sys… ◀

27

What this shows Exterior holds 27 patents at rank #11,243, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Exterior

By rank, the assignees closest to #11,243 in granted patent volume.

Leaders in E04F (Finishing Work ON Buildings)

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

Assignees with similar portfolio profiles

Two PlainPatent-derived peer sets for Exterior, neither rank-band nor same-CPC leaders (those blocks stay above). In E04F (Finishing Work ON Buildings), Exterior ranks #275 of 584 assignees by patent count in that subclass.

Similar innovation score

Nearest assignees by Innovation Score (21 here).

The Marco Company 21 Ardagh Metal Beverage USA Inc. 21 Kiwi Technology Inc. 21 Busch Systems International Inc. 21

Exterior's Innovation Score vs. every tracked assignee

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

21 8th percentile higher than 8% of 49,997 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 · 2015–2020

Grants by year

Teal-shaded recent years (2020–present) versus the 2015–2019 baseline. Full figures in the table below.

View data table

Exterior Wall Systems Limited patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	2	7.4%
2018	22	81.5%
2019	2	7.4%
2020	1	3.7%

Which technologies does Exterior Wall Systems Limited patent most?

E04F - Finishing Work ON Buildings, e.g. Stairs, Floors 2

E04B - General Building CONSTRUCTIONS; Walls, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; Insulation OR Other Protection OF Buildings 1

F24S - Solar Heat COLLECTORS; Solar Heat Systems 1

Y02B - Climate Change Mitigation Technologies Related TO Buildings, e.g. Housing, House Appliances OR Related End-user Applications 1

Y02E - Reduction OF Greenhouse GAS [GHG] Emissions, Related TO Energy Generation, Transmission OR Distribution 1

Top 5 of 5 technology areas

More on this record

Data Source

USPTO PatentsView, US granted patents 2015–2025

View all rankings → How is Innovation Score calculated?

What to do with this data

Exterior Wall Systems Limited's patent record in context - here's where to go next.

Exterior Wall Systems Limited's lead technology class is E04F (Finishing Work ON Buildings, e.g. Stairs, Floors), 7.4% of its portfolio - see every assignee active in that class. Explore E04F
Ranked #11,244 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Exterior Wall Systems Limited against Eugster / Frismag AG, an assignee filing at a similar volume. Compare portfolios
Innovation Score of 21.2/100 blends volume, velocity, technology breadth, and claim depth. How it's calculated

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

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

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 by PlainPatent, US Patent Intelligence Editorial Process · 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.