Where does K+S Aktiengesellschaft rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), K+S Aktiengesellschaft ranks #26,707 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 K+S Aktiengesellschaft hold?

K+S Aktiengesellschaft holds 10 US utility patents granted between 2016 and 2023, spanning 18 technology areas.

What is K+S Aktiengesellschaft's Innovation Score?

K+S Aktiengesellschaft has an Innovation Score of 43.3 out of 100 (top 28% of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

Is K+S Aktiengesellschaft's patent grant rate increasing or decreasing?

K+S Aktiengesellschaft's recent grant velocity is -33% 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 K+S Aktiengesellschaft's patents?

K+S Aktiengesellschaft's patents average 16.7 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 K+S Aktiengesellschaft 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

K+S Aktiengesellschaft

Q: What technology areas does K+S Aktiengesellschaft focus on?

K+S Aktiengesellschaft's top technology area is C05D (Inorganic Fertilisers NOT Covered BY Subclasses C05b, C05C; Fertilisers Producing Carbon Dioxide) with 5 patents, ranking #18 of 93 assignees active in that subclass. Grants appear in 18 CPC subclasses total.

USPTO PatentsView assignee record - 10 granted patents across 18 technology areas, recorded in grant years 2016–2023. 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: C05D (Inorganic Fertilisers NOT Covered BY Subclasses C05b, C05C; Fertilisers Producing Carbon Dioxide).

Compiled by PlainPatent · May 15, 2026

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The verdict

According to USPTO PatentsView, K+s ranks #26,707 of 49,997 tracked US assignees by granted-patent volume, with 10 patents across 18 technology areas.

#26,707
of 49,997 US assignees by volume: Top 28%
by Innovation Score (43.3/100): 16.7
avg claims per patent: -33%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R26707 · Foreign Corporation #26,707 · 10 grants

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

GRANTS-MICRO 10 grants
MID-PACK #26,707/49,997
PHOTO-FINISH Jerusalem College…
CPC-FOCUS C05D · 18 areas
INNOV-PAR 43.3/100
CLAIMS-RICH 16.7 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-DOWN -33% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Jerusalem College of Technology (±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 K+s’s 43.3 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 8.3 pts (19%) Velocity 10.0 pts (23%) Breadth 15.0 pts (35%) Claim depth 10.0 pts (23%)

Qualcomm Incorporated · highest

85
K+S Aktiengesellschaft · this assignee

43
3D Lighting… · lowest

7

What this shows K+s's Innovation Score is 43.3/100 (top 28% 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 K+s?

Each dot is one of K+s’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). K+s’s own 16.7 claims/patent is ABOVE the 13.1 median for these volume peers. More thorough claims than most filers at this scale, not just more of them.

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

Where K+s's grants concentrate

K+S Aktiengesellschaft is a focused PatentsView assignee: 18 CPC subclasses with 50% of grants classified under C05D (Inorganic Fertilisers NOT Covered BY Subclasses C05b, C05C; Fertilisers Producing Carbon Dioxide). Peak complete grant year is 2023 (3 grants) versus a trough of 1 in 2016. By volume, K+s sits between Jerusalem College of Technology and Kahr Medical Ltd..

K+s's three-year grant acceleration

K+S Aktiengesellschaft shows 3 grants in 2022–2024 against only 2 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.

Jerusalem College…

10
Jiangsu Barep Sma…

10
Jim Melhart Piano…

10
Jing Si Pureland

10
K-innovation

10
KA Imaging

10
Kaba Ilco

10
Kahr Medical

10
K+S Aktiengesells… ◀

10

What this shows K+S holds 10 patents at rank #26,640, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near K+S

By rank, the assignees closest to #26,640 in granted patent volume.

Leaders in C05D (Inorganic Fertilisers NOT Covered BY Subclasses C05b)

Other assignees with the most granted patents in K+S's primary technology class.

K+s's Innovation Score vs. every tracked assignee

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

43 Top 28% higher than 72% 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 · 2016–2023

Grants by year

Teal-shaded recent years (2020–present) versus the 2016–2019 baseline. Full figures in the table below.

View data table

K+S Aktiengesellschaft patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2016	1	10.0%
2017	2	20.0%
2018	2	20.0%
2019	1	10.0%
2020	1	10.0%
2023	3	30.0%

Which technologies does K+S Aktiengesellschaft patent most?

C05D - Inorganic Fertilisers NOT Covered BY Subclasses C05b, C05C; Fertilisers Producing Carbon Dioxide 5

C05G - Mixtures OF Fertilisers Covered Individually BY Different Subclasses OF Class C05; Mixtures OF ONE OR More Fertilisers With Materials NOT Having A Specific Fertilising Activity, e.g. Pesticides, Soil-conditioners, Wetting Agents ; Fertilisers Characterised BY Their Form 5

C01P - Indexing Scheme Relating TO Structural AND Physical Aspects OF Solid Inorganic Compounds 5

C01D - Compounds OF Alkali Metals, i.e. Lithium, Sodium, Potassium, Rubidium, Caesium, OR Francium 4

C05C - Nitrogenous Fertilisers 2

C01F - Compounds OF THE Metals Beryllium, Magnesium, Aluminium, Calcium, Strontium, Barium, Radium, Thorium, OR OF THE Rare-earth Metals 2

A01G - HORTICULTURE; Cultivation OF Vegetables, Flowers, Rice, Fruit, Vines, Hops OR SEAWEED; FORESTRY; Watering 1

Y02P - Climate Change Mitigation Technologies IN THE Production OR Processing OF Goods 1

C07C - Acyclic OR Carbocyclic Compounds 1

B03C - Magnetic OR Electrostatic Separation OF Solid Materials From Solid Materials OR FLUIDS; Separation BY High-voltage Electric Fields 1

B01F - Mixing, e.g. Dissolving, Emulsifying OR Dispersing 1

C08K - Use of inorganic or non-macromolecular organic substances as compounding ingredients 1

C09C - Treatment OF Inorganic Materials, Other Than Fibrous Fillers, TO Enhance Their Pigmenting OR Filling Properties ; Preparation OF Carbon Black ; ; Preparation OF Inorganic Materials Which ARE NO Single Chemical Compounds AND Which ARE Mainly Used AS Pigments OR Fillers 1

B82Y - Specific Uses OR Applications OF NANOSTRUCTURES; Measurement OR Analysis OF NANOSTRUCTURES; Manufacture OR Treatment OF Nanostructures 1

B03D - FLOTATION; Differential Sedimentation 1

Top 15 of 18 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

K+S Aktiengesellschaft's patent record in context - here's where to go next.

K+S Aktiengesellschaft's lead technology class is C05D (Inorganic Fertilisers NOT Covered BY Subclasses C05b, C05C; Fertilisers Producing Carbon Dioxide), 50% of its portfolio - see every assignee active in that class. Explore C05D
Ranked #26,707 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare K+S Aktiengesellschaft against Jerusalem College of Technology, an assignee filing at a similar volume. Compare portfolios
Innovation Score of 43.3/100 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.