Where does Outokumpu Nirosta GmbH rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Outokumpu Nirosta GmbH ranks #36,878 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 Outokumpu Nirosta GmbH hold?

Outokumpu Nirosta GmbH holds 7 US utility patents granted between 2017 and 2020, spanning 11 technology areas.

What is Outokumpu Nirosta GmbH's Innovation Score?

Outokumpu Nirosta GmbH has an Innovation Score of 25.7 out of 100 (18th percentile of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

Is Outokumpu Nirosta GmbH's patent grant rate increasing or decreasing?

Outokumpu Nirosta GmbH's recent grant velocity is -83% 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 Outokumpu Nirosta GmbH's patents?

Outokumpu Nirosta GmbH's patents average 11.3 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 Outokumpu Nirosta GmbH 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

Outokumpu Nirosta GmbH

Q: What technology areas does Outokumpu Nirosta GmbH focus on?

Outokumpu Nirosta GmbH's top technology area is C21D (Modifying THE Physical Structure OF Ferrous METALS; General Devices FOR Heat Treatment OF Ferrous OR Non-ferrous Metals OR ALLOYS; Making Metal Malleable, e.g. BY Decarburisation OR Tempering) with 4 patents. Grants appear in 11 CPC subclasses total.

USPTO PatentsView assignee record - 7 granted patents across 11 technology areas, recorded in grant years 2017–2020. 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: C21D (Modifying THE Physical Structure OF Ferrous METALS; General Devices FOR Heat Treatment OF Ferrous OR Non-ferrous Metals OR ALLOYS; Making Metal Malleable, e.g. BY Decarburisation OR Tempering).

Compiled by PlainPatent · May 15, 2026

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The verdict

According to USPTO PatentsView, Outokumpu ranks #36,878 of 49,997 tracked US assignees by granted-patent volume, with 7 patents across 11 technology areas.

#36,878
of 49,997 US assignees by volume: 18th percentile
by Innovation Score (25.7/100): 11.3
avg claims per patent: -83%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R36878 · Foreign Corporation #36,878 · 7 grants

GRANTS-MICRO · MID-PACK · PHOTO-FINISH · CPC-FOCUS · INNOV-THIN · CLAIMS-PAR · TYPE-FRNCORP · VEL-DROP · BOOK-FULL

GRANTS-MICRO 7 grants
MID-PACK #36,878/49,997
PHOTO-FINISH Ostial
CPC-FOCUS C21D · 11 areas
INNOV-THIN 25.7/100
CLAIMS-PAR 11.3 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-DROP -83% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Ostial 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
Outokumpu Nirosta · this assignee

26
3D Lighting… · lowest

7

What this shows Outokumpu's Innovation Score is 25.7/100 (18th 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.

Where Outokumpu's grants concentrate

Outokumpu Nirosta GmbH is a focused PatentsView assignee: 11 CPC subclasses with 57.1% of grants classified under C21D (Modifying THE Physical Structure OF Ferrous METALS; General Devices FOR Heat Treatment OF Ferrous OR Non-ferrous Metals OR ALLOYS; Making Metal Malleable, e.g. BY Decarburisation OR Tempering). Peak complete grant year is 2017 (3 grants) versus a trough of 1 in 2019. By volume, Outokumpu sits between Ostial Corporation and Oxford Space Systems Limited.

Ostial

7
Otto Torpedo

7
Ouro Negro Tecnol…

7
Outdoor Recreatio…

7
Owl Cameras

7
Oxcion

7
Oxford Performanc…

7
Oxford Space Syst…

7
Outokumpu Nirosta ◀

7

What this shows Outokumpu holds 7 patents at rank #36,860, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Outokumpu

By rank, the assignees closest to #36,860 in granted patent volume.

Leaders in C21D (Modifying THE Physical Structure OF Ferrous Metals)

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

Outokumpu's Innovation Score vs. every tracked assignee

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

26 18th percentile higher than 18% 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 · 2017–2020

Grants by year

Teal-shaded recent years (2020–present) versus the 2017–2019 baseline. Full figures in the table below.

View data table

Outokumpu Nirosta GmbH patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2017	3	42.9%
2018	2	28.6%
2019	1	14.3%
2020	1	14.3%

Which technologies does Outokumpu Nirosta GmbH patent most?

C21D - Modifying THE Physical Structure OF Ferrous METALS; General Devices FOR Heat Treatment OF Ferrous OR Non-ferrous Metals OR ALLOYS; Making Metal Malleable, e.g. BY Decarburisation OR Tempering 4

C22C - Alloys 4

B21B - Rolling OF Metal 2

Y10T - Technical Subjects Covered BY Former US Classification 2

B21D - Working OR Processing OF Sheet Metal OR Metal Tubes, Rods OR Profiles Without Essentially Removing MATERIAL; Punching Metal 2

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

B21J - FORGING; HAMMERING; Pressing METAL; RIVETING; Forge Furnaces 1

B21K - Making Forged OR Pressed Metal Products, e.g. Horse-shoes, Rivets, Bolts OR Wheels 1

B22D - Casting OF METALS; Casting OF Other Substances BY THE Same Processes OR Devices 1

B32B - Layered Products, i.e. Products Built-up OF Strata OF Flat OR Non-flat, e.g. Cellular OR Honeycomb, Form 1

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 1

Top 11 of 11 technology areas

Where it ranks

Overall rank by patents

#36,878

of 49,997 tracked assignees

Innovation Score

25.7 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

Outokumpu Nirosta GmbH's patent record in context - here's where to go next.

Outokumpu Nirosta GmbH's lead technology class is C21D (Modifying THE Physical Structure OF Ferrous METALS; General Devices FOR Heat Treatment OF Ferrous OR Non-ferrous Metals OR ALLOYS; Making Metal Malleable, e.g. BY Decarburisation OR Tempering), 57.1% of its portfolio - see every assignee active in that class. Explore C21D
Ranked #36,878 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Outokumpu Nirosta GmbH against Ostial Corporation, an assignee filing at a similar volume. Compare portfolios
Innovation Score of 25.7/100 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.