Where does Espec Corp. rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Espec Corp. ranks #12,001 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 Espec Corp. hold?

Espec Corp. holds 25 US utility patents granted between 2015 and 2025, spanning 17 technology areas.

What is Espec Corp.'s Innovation Score?

Espec Corp. has an Innovation Score of 34.5 out of 100 (48th percentile of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

What technology areas does Espec Corp. focus on?

Espec Corp.'s top technology area is G01N (Investigating OR Analysing Materials BY Determining Their Chemical OR Physical Properties) with 7 patents, ranking #2,018 of 7,863 assignees active in that subclass. Grants appear in 17 CPC subclasses total.

Is Espec Corp.'s patent grant rate increasing or decreasing?

Espec Corp.'s recent grant velocity is -53% 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 Espec Corp.'s patents?

Espec Corp.'s patents average 7.8 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 Espec Corp. 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

Espec Corp.

USPTO PatentsView assignee record - 25 granted patents across 17 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: G01N (Investigating OR Analysing Materials BY Determining Their Chemical OR Physical Properties).

Compiled by PlainPatent · May 15, 2026

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The verdict

According to USPTO PatentsView, Espec ranks #12,001 of 49,997 tracked US assignees by granted-patent volume, with 25 patents across 17 technology areas.

#12,001
of 49,997 US assignees by volume: 48th percentile
by Innovation Score (34.5/100): 7.8
avg claims per patent: -53%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R12001 · Foreign Corporation #12,001 · 25 grants

GRANTS-SMALL · UPPER-Q · PHOTO-FINISH · CPC-FOCUS · INNOV-THIN · CLAIMS-SPARSE · TYPE-FRNCORP · VEL-DROP · BOOK-FULL

GRANTS-SMALL 25 grants
UPPER-Q #12,001/49,997
PHOTO-FINISH Diehl Defence & KG
CPC-FOCUS G01N · 17 areas
INNOV-THIN 34.5/100
CLAIMS-SPARSE 7.8 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-DROP -53% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Diehl Defence GmbH & Co. KG (±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 Espec’s 34.5 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 11.3 pts (33%) Velocity 4.0 pts (12%) Breadth 14.6 pts (42%) Claim depth 4.7 pts (14%)

Qualcomm Incorporated · highest

85
Elysis Partnership · near

35
Espec · this assignee

35
Floricultura B V · near

35
Jura Elektroapparate · near

35
STM Management Pty · near

35
3D Lighting… · lowest

7

What this shows Espec's Innovation Score is 34.5/100 (48th 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.

Does more volume mean deeper claims for Espec?

Each dot is one of Espec’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). Espec’s own 7.8 claims/patent is at or below the 15.0 median for these volume peers. Volume here does not track with deeper claims; several lower-volume peers claim more thoroughly per patent.

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

Where Espec's grants concentrate

Espec Corp. is a focused PatentsView assignee: 17 CPC subclasses with 28% of grants classified under G01N (Investigating OR Analysing Materials BY Determining Their Chemical OR Physical Properties). Peak complete grant year is 2017 (5 grants) versus a trough of 1 in 2019. By volume, Espec sits between Diehl Defence GmbH & Co. KG and Evolve Additive Solutions, Inc..

Espec's three-year grant acceleration

Espec Corp. shows 3 grants in 2022–2024 against only 5 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.

Diehl Defence & KG

25
Ecole Centrale DE…

25
EI

25
Equos Research

25
Ener-core Power

25
Enveil

25
Euchner + KG

25
Evolve Additive S…

25
Espec ◀

25

What this shows Espec holds 25 patents at rank #11,998, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Espec

By rank, the assignees closest to #11,998 in granted patent volume.

Leaders in G01N (Investigating OR Analysing Materials BY Determining Their…)

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

Assignees with similar portfolio profiles

Two PlainPatent-derived peer sets for Espec, neither rank-band nor same-CPC leaders (those blocks stay above). In G01N (Investigating OR Analysing Materials BY Determining Their…), Espec ranks #2,018 of 7,863 assignees by patent count in that subclass.

Similar innovation score

Nearest assignees by Innovation Score (35 here).

STM Management Pty Ltd 35 Jura Elektroapparate AG 35 Floricultura B.V. 35 Elysis Limited Partnership 35

Espec's Innovation Score vs. every tracked assignee

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

35 48th percentile higher than 48% 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

Espec Corp. patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	3	12.0%
2016	4	16.0%
2017	5	20.0%
2018	2	8.0%
2019	1	4.0%
2020	4	16.0%
2023	2	8.0%
2024	1	4.0%
2025partial year	3	12.0%

Which technologies does Espec Corp. patent most?

G01N - Investigating OR Analysing Materials BY Determining Their Chemical OR Physical Properties 7

G01R - Measuring Electric VARIABLES; Measuring Magnetic Variables 5

F24F - AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR Currents FOR Screening 4

Y02E - Reduction OF Greenhouse GAS [GHG] Emissions, Related TO Energy Generation, Transmission OR Distribution 3

H01M - Processes OR Means, e.g. Batteries, FOR THE Direct Conversion OF Chemical Energy Into Electrical Energy 3

Y02P - Climate Change Mitigation Technologies IN THE Production OR Processing OF Goods 3

F28D - Heat-exchange Apparatus, NOT Provided FOR IN Another Subclass, IN Which THE Heat-exchange Media DO NOT Come Into Direct Contact 3

F28F - Details OF Heat-exchange AND Heat-transfer Apparatus, OF General Application 3

F25C - Producing, Working OR Handling ICE 2

H01G - CAPACITORS; Capacitors, Rectifiers, Detectors, Switching Devices, Light-sensitive OR Temperature-sensitive Devices OF THE Electrolytic Type 2

Y10T - Technical Subjects Covered BY Former US Classification 2

B05B - Spraying APPARATUS; Atomising APPARATUS; Nozzles 1

B01L - Chemical OR Physical Laboratory Apparatus FOR General USE 1

H05K - Printed CIRCUITS; Casings OR Constructional Details OF Electric APPARATUS; Manufacture OF Assemblages OF Electrical Components 1

G01M - Testing Static OR Dynamic Balance OF Machines OR STRUCTURES; Testing OF Structures OR Apparatus, NOT Otherwise Provided FOR 1

Top 15 of 17 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

Espec Corp.'s patent record in context - here's where to go next.

Espec Corp.'s lead technology class is G01N (Investigating OR Analysing Materials BY Determining Their Chemical OR Physical Properties), 28% of its portfolio - see every assignee active in that class. Explore G01N
Ranked #12,001 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Espec Corp. against Diehl Defence GmbH & Co. KG, an assignee filing at a similar volume. Compare portfolios
Innovation Score of 34.5/100 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.