Where does NCH Corporation rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), NCH Corporation ranks #5,699 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 NCH Corporation hold?

NCH Corporation holds 60 US utility patents granted between 2015 and 2025, spanning 50 technology areas.

What is NCH Corporation's Innovation Score?

NCH Corporation has an Innovation Score of 59.0 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%).

What technology areas does NCH Corporation focus on?

NCH Corporation's top technology area is C02F (Treatment OF Water, Waste Water, Sewage, OR Sludge) with 25 patents, ranking #34 of 1,366 assignees active in that subclass. Grants appear in 50 CPC subclasses total.

Is NCH Corporation's patent grant rate increasing or decreasing?

NCH Corporation's recent grant velocity is +7% 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 NCH Corporation's patents?

NCH Corporation's patents average 26.8 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 NCH Corporation 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

NCH Corporation

USPTO PatentsView assignee record - 60 granted patents across 50 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: C02F (Treatment OF Water, Waste Water, Sewage, OR Sludge).

Compiled by PlainPatent · May 15, 2026

RSS updates for this company

Explore the portfolio See the ranking

The verdict

According to USPTO PatentsView, NCH ranks #5,699 of 49,997 tracked US assignees by granted-patent volume, with 60 patents across 50 technology areas.

#5,699
of 49,997 US assignees by volume: Top 4%
by Innovation Score (59.0/100): 26.8
avg claims per patent: +7%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R5699 · US Corporation #5,699 · 60 grants

GRANTS-SMALL · UPPER-Q · PHOTO-FINISH · CPC-WIDE · INNOV-PAR · CLAIMS-DENSE · TYPE-USCORP · VEL-FLAT · BOOK-FULL

GRANTS-SMALL 60 grants
UPPER-Q #5,699/49,997
PHOTO-FINISH Lantech com
CPC-WIDE C02F · 50 areas
INNOV-PAR 59.0/100
CLAIMS-DENSE 26.8 claims/avg
TYPE-USCORP US Corporation
VEL-FLAT +7% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Lantech.com, LLC (±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 NCH’s 59.0 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 14.2 pts (24%) Velocity 4.8 pts (8%) Breadth 25.0 pts (42%) Claim depth 15.0 pts (25%)

Qualcomm Incorporated · highest

85
Biomet Manufacturing · near

59
Element Six (UK) · near

59
NCH · this assignee

59
Safran Ceramics · near

59
Tosoh · near

59
3D Lighting… · lowest

7

What this shows NCH's Innovation Score is 59.0/100 (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 NCH?

Each dot is one of NCH’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). NCH’s own 26.8 claims/patent is ABOVE the 17.2 median for these volume peers. More thorough claims than most filers at this scale, not just more of them.

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

How NCH's grant cadence moved

Between 2020–2024, NCH Corporation received 30 grants versus 28 in 2015–2019 (+7% equal-window velocity, above median growth). Across complete PatentsView years, output peaked in 2021 at 10 grants and bottomed in 2015 at 2. Lead class C02F accounts for 41.7% of the portfolio across 50 subclasses. Volume neighbours: Lantech.com, LLC (#5,693) and NextLabs, Inc. (#5,701).

NCH's three-year grant acceleration

From 2019–2021 to 2022–2024, NCH Corporation moved from 22 to 16 grants (0.73x the prior three-year total, a multiple, not a CAGR). See the growth leaderboard.

Lantech com

60
Lockheed Martin E…

60
Mueller Martini H…

60
Navico

60
Niterra

60
Network-1

60
New Motech

60
Nextlabs

60
NCH ◀

60

What this shows NCH holds 60 patents at rank #5,697, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near NCH

By rank, the assignees closest to #5,697 in granted patent volume.

Leaders in C02F (Treatment OF Water)

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

Assignees with similar portfolio profiles

Two PlainPatent-derived peer sets for NCH, neither rank-band nor same-CPC leaders (those blocks stay above). In C02F (Treatment OF Water), NCH ranks #34 of 1,366 assignees by patent count in that subclass.

Similar innovation score

Nearest assignees by Innovation Score (59 here).

Safran Ceramics 59 Element Six (UK) Limited 59 Tosoh Corporation 59 Biomet Manufacturing, LLC 59

Similar claim depth

Nearest assignees by average claims per patent (26.8 here).

Flamel Ireland Limited 26.8 avg CureVac SE 26.8 avg Turner Broadcasting System, Inc. 26.9 avg Electro Industries/Gauge Tech 26.7 avg

NCH's Innovation Score vs. every tracked assignee

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

59 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

NCH Corporation patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	2	3.3%
2016	7	11.7%
2017	2	3.3%
2018	9	15.0%
2019	8	13.3%
2020	4	6.7%
2021	10	16.7%
2022	4	6.7%
2023	5	8.3%
2024	7	11.7%
2025partial year	2	3.3%

Which technologies does NCH Corporation patent most?

C02F - Treatment OF Water, Waste Water, Sewage, OR Sludge 25

C10M - Lubricating Compositions ; USE OF Chemical Substances Either Alone OR AS Lubricating Ingredients IN A Lubricating Composition 16

C10N - Indexing Scheme Associated With Subclass C10m Relating TO Lubricating Compositions 16

A61K - Preparations FOR Medical, Dental OR Toiletry Purposes 9

C12N - Microorganisms OR ENZYMES; Compositions THEREOF; Propagating, Preserving, OR Maintaining MICROORGANISMS; Mutation OR Genetic ENGINEERING; Culture Media 7

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 7

A23L - Foods, Foodstuffs OR Non-alcoholic Beverages, NOT Otherwise Provided FOR; Preparation OR Treatment Thereof 7

B01F - Mixing, e.g. Dissolving, Emulsifying OR Dispersing 4

A01K - Animal HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; Rearing OR Breeding Animals, NOT Otherwise Provided FOR; NEW Breeds OF Animals 4

C12M - Apparatus FOR Enzymology OR MICROBIOLOGY; Apparatus FOR Culturing Microorganisms FOR Producing Biomass, FOR Growing Cells OR FOR Obtaining Fermentation OR Metabolic Products, i.e. Bioreactors OR Fermenters 4

G01N - Investigating OR Analysing Materials BY Determining Their Chemical OR Physical Properties 4

C11D - Detergent COMPOSITIONS; USE OF Single Substances AS DETERGENTS; Soap OR SOAP-MAKING; Resin SOAPS; Recovery OF Glycerol 4

A23V - Indexing Scheme Relating TO Foods, Foodstuffs OR Non-alcoholic Beverages AND Lactic OR Propionic Acid Bacteria Used IN Foodstuffs OR Food Preparation 4

B01D - Separation 3

A23K - Fodder 3

Top 15 of 50 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

NCH Corporation's patent record in context - here's where to go next.

NCH Corporation's lead technology class is C02F (Treatment OF Water, Waste Water, Sewage, OR Sludge), 41.7% of its portfolio - see every assignee active in that class. Explore C02F
Ranked #5,699 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare NCH Corporation against Lantech.com, LLC, an assignee filing at a similar volume. Compare portfolios
Innovation Score of 59.0/100 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.