Where does Pilkington Group Limited rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Pilkington Group Limited ranks #2,696 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 Pilkington Group Limited hold?

Pilkington Group Limited holds 144 US utility patents granted between 2015 and 2025, spanning 69 technology areas.

What is Pilkington Group Limited's Innovation Score?

Pilkington Group Limited has an Innovation Score of 59.5 out of 100 (top 4% of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

Is Pilkington Group Limited's patent grant rate increasing or decreasing?

Pilkington Group Limited's recent grant velocity is +12% compared to the prior five-year period (grant years, not application filing dates). The company is maintaining or growing its granted-patent output.

What does claim depth mean for Pilkington Group Limited's patents?

Pilkington Group Limited's patents average 17.1 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 Pilkington Group 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

Pilkington Group Limited

Q: What technology areas does Pilkington Group Limited focus on?

Pilkington Group Limited's top technology area is C03C (Chemical Composition OF Glasses, Glazes OR Vitreous ENAMELS; Surface Treatment OF GLASS; Surface Treatment OF Fibres OR Filaments Made From Glass, Minerals OR SLAGS; Joining Glass TO Glass OR Other Materials) with 67 patents, ranking #12 of 498 assignees active in that subclass. Grants appear in 69 CPC subclasses total.

USPTO PatentsView assignee record - 144 granted patents across 69 technology areas, recorded in grant years 2015–2025. 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: C03C (Chemical Composition OF Glasses, Glazes OR Vitreous ENAMELS; Surface Treatment OF GLASS; Surface Treatment OF Fibres OR Filaments Made From Glass, Minerals OR SLAGS; Joining Glass TO Glass OR Other MA).

Compiled by PlainPatent · May 15, 2026

RSS updates for this company

Explore the portfolio See the ranking

The verdict

According to USPTO PatentsView, Pilkington ranks #2,696 of 49,997 tracked US assignees by granted-patent volume, with 144 patents across 69 technology areas.

#2,696
of 49,997 US assignees by volume: Top 4%
by Innovation Score (59.5/100): 17.1
avg claims per patent: +12%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R2696 · Foreign Corporation #2,696 · 144 grants

GRANTS-MID · TOP-DECILE · PHOTO-FINISH · CPC-WIDE · INNOV-PAR · CLAIMS-RICH · TYPE-FRNCORP · VEL-UP · BOOK-FULL

GRANTS-MID 144 grants
TOP-DECILE #2,696/49,997
PHOTO-FINISH Melexis
CPC-WIDE C03C · 69 areas
INNOV-PAR 59.5/100
CLAIMS-RICH 17.1 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-UP +12% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Melexis Technologies NV (±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 Pilkington’s 59.5 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 17.2 pts (29%) Velocity 7.1 pts (12%) Breadth 25.0 pts (42%) Claim depth 10.2 pts (17%)

Qualcomm Incorporated · highest

85
ELC Management · near

60
InVue Security… · near

60
LANDIS+GYR Innovations · near

60
Pilkington Group · this assignee

60
Southwest Research… · near

60
3D Lighting… · lowest

7

What this shows Pilkington's Innovation Score is 59.5/100 (top 4% 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 Pilkington?

Each dot is one of Pilkington’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). Pilkington’s own 17.1 claims/patent is ABOVE the 16.7 median for these volume peers. More thorough claims than most filers at this scale, not just more of them.

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

How Pilkington's grant cadence moved

Between 2020–2024, Pilkington Group Limited received 73 grants versus 65 in 2015–2019 (+12% equal-window velocity, above median growth). Across complete PatentsView years, output peaked in 2024 at 17 grants and bottomed in 2016 at 9. Lead class C03C accounts for 46.5% of the portfolio across 69 subclasses. Volume neighbours: Melexis Technologies NV (#2,692) and Statoil Petroleum AS (#2,700).

Pilkington's three-year grant acceleration

From 2019–2021 to 2022–2024, Pilkington Group Limited moved from 43 to 46 grants (1.07x the prior three-year total, a multiple, not a CAGR). Among 3,296 tracked assignees with ≥100 grants and ≥20 prior-period grants, that multiple ranks #1,016. See the growth leaderboard.

Melexis

144
Mitel Networks

144
Nbcuniversal Media

144
Nidec Tosok

144
Qualcomm

144
Quantcast

144
Showa Denko Mater…

144
Statoil Petroleum…

144
Pilkington Group ◀

144

What this shows Pilkington holds 144 patents at rank #2,696, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Pilkington

By rank, the assignees closest to #2,696 in granted patent volume.

Leaders in C03C (Chemical Composition OF Glasses)

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

Assignees with similar portfolio profiles

Two PlainPatent-derived peer sets for Pilkington, neither rank-band nor same-CPC leaders (those blocks stay above). In C03C (Chemical Composition OF Glasses), Pilkington ranks #12 of 498 assignees by patent count in that subclass.

Similar innovation score

Nearest assignees by Innovation Score (60 here).

LANDIS+GYR Innovations, Inc. 60 InVue Security Products Inc. 60 ELC Management LLC 60 Southwest Research Institute 60

Similar claim depth

Nearest assignees by average claims per patent (17.1 here).

Umicore AG & Co. KG 17.1 avg Stryker European Holdings, LLC 17.1 avg Huawei Digital Power Technologies Co., Ltd. 17.1 avg Carefusion 303, Inc. 17.1 avg

Pilkington's Innovation Score vs. every tracked assignee

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

60 Top 4% higher than 96% 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 · 2015–2025

Grants by year

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

View data table

Pilkington Group Limited patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	12	8.3%
2016	9	6.3%
2017	13	9.0%
2018	15	10.4%
2019	16	11.1%
2020	13	9.0%
2021	14	9.7%
2022	15	10.4%
2023	14	9.7%
2024	17	11.8%
2025partial year	6	4.2%

Which technologies does Pilkington Group Limited patent most?

C03C - Chemical Composition OF Glasses, Glazes OR Vitreous ENAMELS; Surface Treatment OF GLASS; Surface Treatment OF Fibres OR Filaments Made From Glass, Minerals OR SLAGS; Joining Glass TO Glass OR Other Materials 67

B32B - Layered Products, i.e. Products Built-up OF Strata OF Flat OR Non-flat, e.g. Cellular OR Honeycomb, Form 55

H05B - Electric HEATING; Electric Light Sources NOT Otherwise Provided FOR; Circuit Arrangements FOR Electric Light Sources, IN General 22

C23C - Coating Metallic MATERIAL; Coating Material With Metallic MATERIAL; Surface Treatment OF Metallic Material BY Diffusion Into THE Surface, BY Chemical Conversion OR SUBSTITUTION; Coating BY Vacuum Evaporation, BY Sputtering, BY ION Implantation OR BY Chemical Vapour Deposition, IN General 19

E06B - Fixed OR Movable Closures FOR Openings IN Buildings, Vehicles, Fences OR Like Enclosures IN General, e.g. Doors, Windows, Blinds, Gates 17

B60J - Windows, Windscreens, Non-fixed Roofs, Doors, OR Similar Devices FOR VEHICLES; Removable External Protective Coverings Specially Adapted FOR Vehicles 14

C03B - Manufacture, Shaping, OR Supplementary Processes 14

Y10T - Technical Subjects Covered BY Former US Classification 12

G02B - Optical Elements, Systems OR Apparatus 10

Y02E - Reduction OF Greenhouse GAS [GHG] Emissions, Related TO Energy Generation, Transmission OR Distribution 9

H10F - Inorganic Semiconductor Devices Sensitive TO Infrared Radiation, Light, Electromagnetic Radiation OF Shorter Wavelength OR Corpuscular Radiation 7

H01R - Electrically-conductive CONNECTIONS; Structural Associations OF A Plurality OF Mutually-insulated Electrical Connecting ELEMENTS; Coupling DEVICES; Current Collectors 7

H01Q - Antennas, i.e. Radio Aerials 7

C09D - Coating Compositions, e.g. Paints, Varnishes OR LACQUERS; Filling PASTES; Chemical Paint OR INK REMOVERS; INKS; Correcting FLUIDS; WOODSTAINS; Pastes OR Solids FOR Colouring OR PRINTING; USE OF Materials Therefor 6

H10K - Organic Electric Solid-state Devices 5

Top 15 of 69 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

Pilkington Group Limited's patent record in context - here's where to go next.

Pilkington Group Limited's lead technology class is C03C (Chemical Composition OF Glasses, Glazes OR Vitreous ENAMELS; Surface Treatment OF GLASS; Surface Treatment OF Fibres OR Filaments Made From Glass, Minerals OR SLAGS; Joining Glass TO Glass OR Other MA), 46.5% of its portfolio - see every assignee active in that class. Explore C03C
Ranked #2,696 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Pilkington Group Limited against Melexis Technologies NV, an assignee filing at a similar volume. Compare portfolios
Innovation Score of 59.5/100 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.