Where does Westinghouse Electric Company LLC rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Westinghouse Electric Company LLC ranks #1,161 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 Westinghouse Electric Company LLC hold?

Westinghouse Electric Company LLC holds 367 US utility patents granted between 2015 and 2025, spanning 119 technology areas.

What is Westinghouse Electric Company LLC's Innovation Score?

Westinghouse Electric Company LLC has an Innovation Score of 60.3 out of 100 (top 3% of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

Is Westinghouse Electric Company LLC's patent grant rate increasing or decreasing?

Westinghouse Electric Company LLC's recent grant velocity is -3% 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 Westinghouse Electric Company LLC's patents?

Westinghouse Electric Company LLC's patents average 13.8 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 Westinghouse Electric Company LLC 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 US Corporation

Westinghouse Electric Company LLC

Q: What technology areas does Westinghouse Electric Company LLC focus on?

Westinghouse Electric Company LLC's top technology area is Y02E (Reduction OF Greenhouse GAS [GHG] Emissions, Related TO Energy Generation, Transmission OR Distribution) with 285 patents. Grants appear in 119 CPC subclasses total.

USPTO PatentsView assignee record - 367 granted patents across 119 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: Y02E (Reduction OF Greenhouse GAS [GHG] Emissions, Related TO Energy Generation, Transmission OR Distribution).

Compiled by PlainPatent · May 15, 2026

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The verdict

According to USPTO PatentsView, Westinghouse ranks #1,161 of 49,997 tracked US assignees by granted-patent volume, with 367 patents across 119 technology areas.

#1,161
of 49,997 US assignees by volume: Top 3%
by Innovation Score (60.3/100): 13.8
avg claims per patent: -3%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R1161 · US Corporation #1,161 · 367 grants

GRANTS-MID · TOP-DECILE · PHOTO-FINISH · CPC-WIDE · INNOV-STRONG · CLAIMS-RICH · TYPE-USCORP · VEL-FLAT · BOOK-FULL

GRANTS-MID 367 grants
TOP-DECILE #1,161/49,997
PHOTO-FINISH Enplas
CPC-WIDE Y02E · 119 areas
INNOV-STRONG 60.3/100
CLAIMS-RICH 13.8 claims/avg
TYPE-USCORP US Corporation
VEL-FLAT -3% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Enplas Corporation (±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.

Qualcomm Incorporated · highest

85
Amsted Rail · near

60
National Taiwan… · near

60
Philip Morris USA · near

60
Texas Tech Universit… · near

60
Westinghouse Electric · this assignee

60
3D Lighting… · lowest

7

What this shows Westinghouse's Innovation Score is 60.3/100 (top 3% 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.

How Westinghouse's grant cadence moved

Between 2020–2024, Westinghouse Electric Company LLC received 170 grants versus 176 in 2015–2019 (-3% equal-window velocity, above median growth). Across complete PatentsView years, output peaked in 2016 at 41 grants and bottomed in 2018 at 27. Lead class Y02E accounts for 77.7% of the portfolio across 119 subclasses. Volume neighbours: Enplas Corporation (#1,157) and Gojo Industries, Inc. (#1,165).

Westinghouse's three-year grant acceleration

From 2019–2021 to 2022–2024, Westinghouse Electric Company LLC moved from 103 to 102 grants (0.99x 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 #1,212. See the growth leaderboard.

Enplas

367
Kabam

367
Owens-brockway Gl…

367
Rubrik

367
Westinghouse Elec… ◀

367
Arcelormittal

366
City of Hope

366
Dish Wireless L L…

365
Gojo Industries

365

What this shows Westinghouse holds 367 patents at rank #1,161, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Westinghouse

By rank, the assignees closest to #1,161 in granted patent volume.

Leaders in Y02E (Reduction OF Greenhouse GAS [GHG] Emissions)

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

Assignees with similar portfolio profiles

Two PlainPatent-derived peer sets for Westinghouse, neither rank-band nor same-CPC leaders (those blocks stay above).

Similar innovation score

Nearest assignees by Innovation Score (60 here).

Philip Morris USA Inc. 60 National Taiwan University of Science and Technology 60 Texas Tech University System 60 Amsted Rail Company, Inc. 60

Similar claim depth

Nearest assignees by average claims per patent (13.8 here).

Eads Deutschland GmbH 13.8 avg Lexmark International, Inc. 13.8 avg Postech Research and Business Development Foundation 13.8 avg Litens Automotive Partnership 13.8 avg

Westinghouse's Innovation Score vs. every tracked assignee

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

60 Top 3% higher than 97% 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

Westinghouse Electric Company LLC patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	38	10.4%
2016	41	11.2%
2017	35	9.5%
2018	27	7.4%
2019	35	9.5%
2020	39	10.6%
2021	29	7.9%
2022	36	9.8%
2023	35	9.5%
2024	31	8.4%
2025partial year	21	5.7%

Which technologies does Westinghouse Electric Company LLC patent most?

Y02E - Reduction OF Greenhouse GAS [GHG] Emissions, Related TO Energy Generation, Transmission OR Distribution 285

G21C - Nuclear Reactors 265

G21D - Nuclear Power Plant 45

G01N - Investigating OR Analysing Materials BY Determining Their Chemical OR Physical Properties 35

G21F - Protection Against X-radiation, Gamma Radiation, Corpuscular Radiation OR Particle BOMBARDMENT; Treating Radioactively Contaminated MATERIAL; Decontamination Arrangements Therefor 33

F22B - Methods OF Steam GENERATION; Steam Boilers 28

G01T - Measurement OF Nuclear OR X-radiation 23

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 21

G21G - Conversion OF Chemical ELEMENTS; Radioactive Sources 17

F28D - Heat-exchange Apparatus, NOT Provided FOR IN Another Subclass, IN Which THE Heat-exchange Media DO NOT Come Into Direct Contact 17

F28F - Details OF Heat-exchange AND Heat-transfer Apparatus, OF General Application 15

Y10T - Technical Subjects Covered BY Former US Classification 14

C04B - Lime, MAGNESIA; SLAG; CEMENTS; Compositions Thereof, e.g. Mortars, Concrete OR Like Building MATERIALS; Artificial Stone ; Ceramics ; REFRACTORIES; Treatment OF Natural Stone 13

F28G - Cleaning OF Internal OR External Surfaces OF Heat-exchange OR Heat-transfer Conduits, e.g. Water Tubes OR Boilers 10

H04Q - Selecting 9

Top 15 of 119 technology areas

Where it ranks

Overall rank by patents

#1,161

of 49,997 tracked assignees

Innovation Score

60.3 out of 100

View all rankings →

Data Source

USPTO PatentsView, US granted patents 2015–2025

How is Innovation Score calculated?

What to do with this data

Westinghouse Electric Company LLC's patent record in context - here's where to go next.

Westinghouse Electric Company LLC's lead technology class is Y02E (Reduction OF Greenhouse GAS [GHG] Emissions, Related TO Energy Generation, Transmission OR Distribution), 77.7% of its portfolio - see every assignee active in that class. Explore Y02E
Ranked #1,161 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Westinghouse Electric Company LLC against Enplas Corporation, an assignee filing at a similar volume. Compare portfolios
Innovation Score of 60.3/100 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.