Where does Permelec Electrode Ltd. rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Permelec Electrode Ltd. ranks #49,553 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 Permelec Electrode Ltd. hold?

Permelec Electrode Ltd. holds 5 US utility patents granted between 2015 and 2019, spanning 4 technology areas.

What is Permelec Electrode Ltd.'s Innovation Score?

Permelec Electrode Ltd. has an Innovation Score of 17.2 out of 100 (4th percentile of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

Is Permelec Electrode Ltd.'s patent grant rate increasing or decreasing?

Permelec Electrode Ltd.'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 Permelec Electrode Ltd.'s patents?

Permelec Electrode Ltd.'s patents average 6.6 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 Permelec Electrode Ltd. 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

Permelec Electrode Ltd.

Q: What technology areas does Permelec Electrode Ltd. focus on?

Permelec Electrode Ltd.'s top technology area is C25B (Electrolytic OR Electrophoretic Processes FOR THE Production OF Compounds OR NON-METALS; Apparatus Therefor) with 4 patents. Grants appear in 4 CPC subclasses total.

USPTO PatentsView assignee record - 5 granted patents across 4 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: C25B (Electrolytic OR Electrophoretic Processes FOR THE Production OF Compounds OR NON-METALS; Apparatus Therefor).

Compiled by PlainPatent · May 15, 2026

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The verdict

According to USPTO PatentsView, Permelec ranks #49,553 of 49,997 tracked US assignees by granted-patent volume, with 5 patents across 4 technology areas.

#49,553
of 49,997 US assignees by volume: 4th percentile
by Innovation Score (17.2/100): 6.6
avg claims per patent: -100%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R49553 · Foreign Corporation #49,553 · 5 grants

GRANTS-MICRO · BOTTOM-DECILE · PHOTO-FINISH · CPC-NARROW · INNOV-LOW · CLAIMS-SPARSE · TYPE-FRNCORP · VEL-DROP · BOOK-FULL

GRANTS-MICRO 5 grants
BOTTOM-DECILE #49,553/49,997
PHOTO-FINISH Pemko Manufacturing
CPC-NARROW C25B · 4 areas
INNOV-LOW 17.2/100
CLAIMS-SPARSE 6.6 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-DROP -100% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Pemko Manufacturing Company, 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.

Qualcomm Incorporated · highest

85
Permelec Electrode · this assignee

17
3D Lighting… · lowest

7

What this shows Permelec's Innovation Score is 17.2/100 (4th 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.

Where Permelec's grants concentrate

Permelec Electrode Ltd. is a focused PatentsView assignee: 4 CPC subclasses with 80% of grants classified under C25B (Electrolytic OR Electrophoretic Processes FOR THE Production OF Compounds OR NON-METALS; Apparatus Therefor). Peak complete grant year is 2015 (3 grants) versus a trough of 1 in 2018. By volume, Permelec sits between Pemko Manufacturing Company, Inc. and Petvivo Holdings, Inc..

Pemko Manufacturi…

5
Pentas

5
Peragon Enterpris…

5
Performance Packa…

5
PET Marvel

5
Petalux

5
Petit Auto Wash

5
Petvivo Holdings

5
Permelec Electrode ◀

5

What this shows Permelec holds 5 patents at rank #49,493, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Permelec

By rank, the assignees closest to #49,493 in granted patent volume.

Leaders in C25B (Electrolytic OR Electrophoretic Processes FOR THE Product…)

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

Permelec's Innovation Score vs. every tracked assignee

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

17 4th percentile higher than 4% 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

Permelec Electrode Ltd. patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	3	60.0%
2018	1	20.0%
2019	1	20.0%

Which technologies does Permelec Electrode Ltd. patent most?

C25B - Electrolytic OR Electrophoretic Processes FOR THE Production OF Compounds OR NON-METALS; Apparatus Therefor 4

D21C - Production OF Cellulose BY Removing Non-cellulose Substances From Cellulose-containing MATERIALS; Regeneration OF Pulping LIQUORS; Apparatus Therefor 3

C02F - Treatment OF Water, Waste Water, Sewage, OR Sludge 2

Y02E - Reduction OF Greenhouse GAS [GHG] Emissions, Related TO Energy Generation, Transmission OR Distribution 2

Top 4 of 4 technology areas

Where it ranks

Overall rank by patents

#49,553

of 49,997 tracked assignees

Innovation Score

17.2 out of 100

View all rankings →

Data Source

USPTO PatentsView, US granted patents 2015–2025

How is Innovation Score calculated?

What to do with this data

Permelec Electrode Ltd.'s patent record in context - here's where to go next.

Permelec Electrode Ltd.'s lead technology class is C25B (Electrolytic OR Electrophoretic Processes FOR THE Production OF Compounds OR NON-METALS; Apparatus Therefor), 80% of its portfolio - see every assignee active in that class. Explore C25B
Ranked #49,553 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Permelec Electrode Ltd. against Pemko Manufacturing Company, Inc., an assignee filing at a similar volume. Compare portfolios
Innovation Score of 17.2/100 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.