Where does Promethium, Inc. rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Promethium, Inc. ranks #21,635 of 50,000 assignees by granted-patent volume, the same sort as the companies listing and top-holders ranking. See /methodology/#corpus-placement.

How many patents does Promethium, Inc. hold?

Promethium, Inc. holds 13 US utility patents granted between 2021 and 2025, spanning 5 technology areas.

What is Promethium, Inc.'s Innovation Score?

Promethium, Inc. has an Innovation Score of 50.0 out of 100 (top 14% of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

What technology areas does Promethium, Inc. focus on?

Promethium, Inc.'s top technology area is G06F (ELECTRIC DIGITAL DATA PROCESSING) with 11 patents. Grants appear in 5 CPC subclasses total.

Is Promethium, Inc.'s patent grant rate increasing or decreasing?

Insufficient historical data is available to calculate a velocity trend for Promethium, Inc..

What does claim depth mean for Promethium, Inc.'s patents?

Promethium, Inc.'s patents average 21.7 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 Promethium, Inc. 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

Promethium, Inc.

USPTO PatentsView assignee record - 13 granted patents across 5 technology areas, recorded in grant years 2021–2025. 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: G06F (ELECTRIC DIGITAL DATA PROCESSING).

Compiled by PlainPatent · May 15, 2026

Explore the portfolio See the ranking

The verdict

According to USPTO PatentsView, Promethium ranks #21,635 of 50,000 tracked US assignees by granted-patent volume, with 13 patents across 5 technology areas.

#21,635
of 50,000 US assignees by volume: Top 14%
by Innovation Score (50.0/100): 21.7
avg claims per patent

USPTO PatentsView assignee plate

Corpus R21635 · US Corporation #21,635 · 13 grants

GRANTS-MICRO · MID-PACK · PHOTO-FINISH · CPC-NARROW · INNOV-PAR · CLAIMS-DENSE · TYPE-USCORP · SPAN-YRS · BOOK-RICH

GRANTS-MICRO 13 grants
MID-PACK #21,635/50,000
PHOTO-FINISH Präwema Antriebstech…
CPC-NARROW G06F · 5 areas
INNOV-PAR 50.0/100
CLAIMS-DENSE 21.7 claims/avg
TYPE-USCORP US Corporation
SPAN-YRS 2021–2025 · 5y
BOOK-RICH 9/10 fields

Nearest grant-volume peer: Präwema Antriebstechnik Gmbh (±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
Grass Valley Canada · near

50
National Products · near

50
Promethium · this assignee

50
Reifenhäuser & KG Ma… · near

50
U s Bank National As… · near

50
3D Lighting Innovati… · lowest

7

What this shows Promethium's Innovation Score is 50.0/100 (top 14% 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 Promethium's grants concentrate

Promethium, Inc. is a focused PatentsView assignee: 5 CPC subclasses with 84.6% of grants classified under G06F (ELECTRIC DIGITAL DATA PROCESSING). Peak complete grant year is 2023 (4 grants) versus a trough of 1 in 2021. By volume, Promethium sits between Princeton Biochemicals and Präwema Antriebstechnik Gmbh.

Princeton Biochem…

13
Principle Power

13
Pro-dex

13
Project Moray

13
Prontoforms

13
Proprius Technolg…

13
Protix B V

13
Präwema Antriebst…

13
Promethium ◀

13

What this shows Promethium holds 13 patents at rank #21,635, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Promethium

By rank, the assignees closest to #21,635 in granted patent volume.

Leaders in G06F (Electric Digital DATA Processing)

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

Assignees with similar portfolio profiles

Two PlainPatent-derived peer sets for Promethium, neither rank-band nor same-CPC leaders (those blocks stay above).

Similar innovation score

Nearest assignees by Innovation Score (50 here).

U.s. Bank National Association 50 Grass Valley Canada 50 National Products, Inc. 50 Reifenhäuser Gmbh & Co. KG Maschinenfabrik 50

Promethium's Innovation Score vs. every tracked assignee

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

50 Top 14% higher than 86% of 50,000 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 · 2021–2025

Grants by year

Teal-shaded recent years (2020–present) versus the 2021–2019 baseline. Full figures in the table below.

View data table

Promethium, Inc. patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2021	1	7.7%
2022	2	15.4%
2023	4	30.8%
2024	1	7.7%
2025partial year	5	38.5%

Which technologies does Promethium, Inc. patent most?

G06F - ELECTRIC DIGITAL DATA PROCESSING 11

A61L - METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES 2

B01J - CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS 2

H01J - ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS 1

H01T - SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES 1

Top 5 of 5 technology areas

Where it ranks

Overall rank by patents

#21,635

of 50,000 tracked assignees

Innovation Score

50.0 out of 100

View all rankings →

Data Source

USPTO PatentsView, US granted patents 2015–2025

How is Innovation Score calculated?

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.