Where does Harsco Corporation rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Harsco Corporation ranks #16,851 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 Harsco Corporation hold?

Harsco Corporation holds 17 US utility patents granted between 2015 and 2019, spanning 23 technology areas.

What is Harsco Corporation's Innovation Score?

Harsco Corporation has an Innovation Score of 37.5 out of 100 (top 43% of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

What technology areas does Harsco Corporation focus on?

Harsco Corporation's top technology area is E01B (Permanent WAY; Permanent-way TOOLS; Machines FOR Making Railways OF ALL Kinds) with 8 patents, ranking #19 of 117 assignees active in that subclass. Grants appear in 23 CPC subclasses total.

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

Harsco Corporation's recent grant velocity is -100% 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 Harsco Corporation's patents?

Harsco Corporation's patents average 17.6 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 Harsco 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

Harsco Corporation

USPTO PatentsView assignee record - 17 granted patents across 23 technology areas, recorded in grant years 2015–2019. 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: E01B (Permanent WAY; Permanent-way TOOLS; Machines FOR Making Railways OF ALL Kinds).

Compiled by PlainPatent · May 15, 2026

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Explore the portfolio See the ranking

The verdict

According to USPTO PatentsView, Harsco ranks #16,851 of 49,997 tracked US assignees by granted-patent volume, with 17 patents across 23 technology areas.

#16,851
of 49,997 US assignees by volume: Top 43%
by Innovation Score (37.5/100): 17.6
avg claims per patent: -100%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R16851 · US Corporation #16,851 · 17 grants

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

GRANTS-MICRO 17 grants
MID-PACK #16,851/49,997
PHOTO-FINISH H55
CPC-FOCUS E01B · 23 areas
INNOV-THIN 37.5/100
CLAIMS-RICH 17.6 claims/avg
TYPE-USCORP US Corporation
VEL-DROP -100% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: H55 SA (±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 Harsco’s 37.5 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 10.0 pts (27%) Velocity 0.0 pts (0%) Breadth 17.0 pts (45%) Claim depth 10.6 pts (28%)

Qualcomm Incorporated · highest

85
Harsco · this assignee

37
3D Lighting… · lowest

7

What this shows Harsco's Innovation Score is 37.5/100 (top 43% 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 Harsco?

Each dot is one of Harsco’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). Harsco’s own 17.6 claims/patent is ABOVE the 10.3 median for these volume peers. More thorough claims than most filers at this scale, not just more of them.

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

Where Harsco's grants concentrate

Harsco Corporation is a focused PatentsView assignee: 23 CPC subclasses with 47.1% of grants classified under E01B (Permanent WAY; Permanent-way TOOLS; Machines FOR Making Railways OF ALL Kinds). Peak complete grant year is 2015 (6 grants) versus a trough of 1 in 2019. By volume, Harsco sits between H55 SA and Heraeus Kulzer GMBH.

H55

17
Hancom

17
Hangzhou Vango

17
Hanwha Total Petr…

17
Haselmeier

17
Hayes Bicycle Gro…

17
Health Management…

17
Heraeus Kulzer

17
Harsco ◀

17

What this shows Harsco holds 17 patents at rank #16,849, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Harsco

By rank, the assignees closest to #16,849 in granted patent volume.

Leaders in E01B (Permanent WAY)

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

Harsco's Innovation Score vs. every tracked assignee

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

37 Top 43% higher than 57% 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 · 2015–2019

Grants by year

Teal-shaded recent years (2020–present) versus the 2015–2019 baseline. Full figures in the table below.

View data table

Harsco Corporation patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	6	35.3%
2016	4	23.5%
2017	4	23.5%
2018	2	11.8%
2019	1	5.9%

Which technologies does Harsco Corporation patent most?

E01B - Permanent WAY; Permanent-way TOOLS; Machines FOR Making Railways OF ALL Kinds 8

C05D - Inorganic Fertilisers NOT Covered BY Subclasses C05b, C05C; Fertilisers Producing Carbon Dioxide 7

C05B - Phosphatic Fertilisers 6

B09C - Reclamation OF Contaminated Soil 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

C09K - Materials FOR Miscellaneous Applications, NOT Provided FOR Elsewhere 4

B09B - Disposal OF Solid Waste NOT Otherwise Provided FOR 3

B01J - Chemical OR Physical Processes, e.g. Catalysis OR Colloid CHEMISTRY; Their Relevant Apparatus 3

C05C - Nitrogenous Fertilisers 3

C05F - Organic Fertilisers NOT Covered BY Subclasses C05b, C05c, e.g. Fertilisers From Waste OR Refuse 1

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

B61D - Body Details OR Kinds OF Railway Vehicles 1

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

C09J - ADHESIVES; Non-mechanical Aspects OF Adhesive Processes IN GENERAL; Adhesive Processes NOT Provided FOR ELSEWHERE; USE OF Materials AS Adhesives 1

C08L - Compositions OF Macromolecular Compounds 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

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

Harsco Corporation's lead technology class is E01B (Permanent WAY; Permanent-way TOOLS; Machines FOR Making Railways OF ALL Kinds), 47.1% of its portfolio - see every assignee active in that class. Explore E01B
Ranked #16,851 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Harsco Corporation against H55 SA, an assignee filing at a similar volume. Compare portfolios
Innovation Score of 37.5/100 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.