Where does Salzgitter Flachstahl GmbH rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Salzgitter Flachstahl GmbH ranks #9,610 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 Salzgitter Flachstahl GmbH hold?

Salzgitter Flachstahl GmbH holds 33 US utility patents granted between 2016 and 2025, spanning 23 technology areas.

What is Salzgitter Flachstahl GmbH's Innovation Score?

Salzgitter Flachstahl GmbH has an Innovation Score of 44.0 out of 100 (top 27% of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

Is Salzgitter Flachstahl GmbH's patent grant rate increasing or decreasing?

Salzgitter Flachstahl GmbH's recent grant velocity is +38% 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 Salzgitter Flachstahl GmbH's patents?

Salzgitter Flachstahl GmbH's patents average 14.6 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 Salzgitter Flachstahl 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

Salzgitter Flachstahl GmbH

Q: What technology areas does Salzgitter Flachstahl GmbH focus on?

Salzgitter Flachstahl 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 27 patents, ranking #20 of 428 assignees active in that subclass. Grants appear in 23 CPC subclasses total.

USPTO PatentsView assignee record - 33 granted patents across 23 technology areas, recorded in grant years 2016–2025. 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: 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, Salzgitter ranks #9,610 of 49,997 tracked US assignees by granted-patent volume, with 33 patents across 23 technology areas.

#9,610
of 49,997 US assignees by volume: Top 27%
by Innovation Score (44.0/100): 14.6
avg claims per patent: +38%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R9610 · Foreign Corporation #9,610 · 33 grants

GRANTS-SMALL · UPPER-Q · PHOTO-FINISH · CPC-FOCUS · INNOV-PAR · CLAIMS-RICH · TYPE-FRNCORP · VEL-UP · BOOK-FULL

GRANTS-SMALL 33 grants
UPPER-Q #9,610/49,997
PHOTO-FINISH Safran Cabin
CPC-FOCUS C21D · 23 areas
INNOV-PAR 44.0/100
CLAIMS-RICH 14.6 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-UP +38% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Safran Cabin Inc. (±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 Salzgitter’s 44.0 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 12.2 pts (28%) Velocity 6.2 pts (14%) Breadth 17.0 pts (38%) Claim depth 8.8 pts (20%)

Qualcomm Incorporated · highest

85
Alphatec Spine · near

44
FTC Solar · near

44
OrthoPediatrics · near

44
Salzgitter Flachstahl · this assignee

44
Mercury Plastics · near

44
3D Lighting… · lowest

7

What this shows Salzgitter's Innovation Score is 44.0/100 (top 27% 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 Salzgitter?

Each dot is one of Salzgitter’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). Salzgitter’s own 14.6 claims/patent is at or below the 14.7 median for these volume peers. Volume here does not track with deeper claims; several lower-volume peers claim more thoroughly per patent.

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

Where Salzgitter's grants concentrate

Salzgitter Flachstahl GmbH is a focused PatentsView assignee: 23 CPC subclasses with 81.8% 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 2019 (7 grants) versus a trough of 1 in 2016. By volume, Salzgitter sits between STM Management Pty Ltd and Schneider GmbH & Co. KG.

Salzgitter's three-year grant acceleration

Salzgitter Flachstahl GmbH shows 12 grants in 2022–2024 against only 13 in 2019–2021. That prior window is too thin for a growth multiple (rename and spin-out assignees look artificially high when the baseline is near zero), so PlainPatent withholds a ranked acceleration claim here.

STM Management Pty

33
Sunstar Engineeri…

33
Syneron Medical

33
Safran Cabin

33
San Diego Gas & E…

33
Sanovas Intellect…

33
Sarcos LC

33
Schneider & KG

33
Salzgitter Flachs… ◀

33

What this shows Salzgitter holds 33 patents at rank #9,619, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Salzgitter

By rank, the assignees closest to #9,619 in granted patent volume.

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

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

Assignees with similar portfolio profiles

Two PlainPatent-derived peer sets for Salzgitter, neither rank-band nor same-CPC leaders (those blocks stay above). In C21D (Modifying THE Physical Structure OF Ferrous Metals), Salzgitter ranks #20 of 428 assignees by patent count in that subclass.

Similar innovation score

Nearest assignees by Innovation Score (44 here).

OrthoPediatrics Corp. 44 FTC Solar, Inc. 44 Alphatec Spine, Inc. 44 Mercury Plastics LLC 44

Salzgitter's Innovation Score vs. every tracked assignee

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

44 Top 27% higher than 73% 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 · 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

Salzgitter Flachstahl GmbH patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2016	1	3.0%
2017	2	6.1%
2018	3	9.1%
2019	7	21.2%
2020	5	15.2%
2021	1	3.0%
2022	7	21.2%
2023	4	12.1%
2024	1	3.0%
2025partial year	2	6.1%

Which technologies does Salzgitter Flachstahl 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 27

C22C - Alloys 26

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 13

Y10T - Technical Subjects Covered BY Former US Classification 8

B22D - Casting OF METALS; Casting OF Other Substances BY THE Same Processes OR Devices 6

C25D - Processes FOR THE Electrolytic OR Electrophoretic Production OF COATINGS; ELECTROFORMING; Apparatus Therefor 5

B21B - Rolling OF Metal 4

C23F - Non-mechanical Removal OF Metallic Material From Surface ; Inhibiting Corrosion OF Metallic Material OR Incrustation IN GENERAL; Multi-step Processes FOR Surface Treatment OF Metallic Material Involving AT Least ONE Process Provided FOR IN Class C23 AND AT Least ONE Process Covered BY Subclass C21d 3

B21C - Manufacture OF Metal Sheets, Wire, Rods, Tubes, Profiles OR Like Semi-manufactured Products Otherwise Than BY ROLLING; Auxiliary Operations Used IN Connection With Metal-working Without Essentially Removing Material 3

B21D - Working OR Processing OF Sheet Metal OR Metal Tubes, Rods OR Profiles Without Essentially Removing MATERIAL; Punching Metal 3

B32B - Layered Products, i.e. Products Built-up OF Strata OF Flat OR Non-flat, e.g. Cellular OR Honeycomb, Form 3

Y02P - Climate Change Mitigation Technologies IN THE Production OR Processing OF Goods 2

F16L - PIPES; Joints OR Fittings FOR PIPES; Supports FOR Pipes, Cables OR Protective TUBING; Means FOR Thermal Insulation IN General 2

B23K - Soldering OR UNSOLDERING; WELDING; Cladding OR Plating BY Soldering OR WELDING; Cutting BY Applying Heat Locally, e.g. Flame CUTTING; Working BY Laser Beam 2

H01F - MAGNETS; INDUCTANCES; TRANSFORMERS; Selection OF Materials FOR Their Magnetic Properties 1

Top 15 of 23 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

Salzgitter Flachstahl GmbH's patent record in context - here's where to go next.

Salzgitter Flachstahl 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), 81.8% of its portfolio - see every assignee active in that class. Explore C21D
Ranked #9,610 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Salzgitter Flachstahl GmbH against STM Management Pty Ltd, an assignee filing at a similar volume. Compare portfolios
Innovation Score of 44.0/100 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.