Where does Concentric Birmingham Limited rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Concentric Birmingham Limited ranks #39,578 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 Concentric Birmingham Limited hold?

Concentric Birmingham Limited holds 6 US utility patents granted between 2015 and 2025, spanning 7 technology areas.

What is Concentric Birmingham Limited's Innovation Score?

Concentric Birmingham Limited has an Innovation Score of 24.9 out of 100 (16th percentile of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

Is Concentric Birmingham Limited's patent grant rate increasing or decreasing?

Concentric Birmingham Limited's recent grant velocity is -75% 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 Concentric Birmingham Limited's patents?

Concentric Birmingham Limited's patents average 14.7 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 Concentric Birmingham Limited 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

Concentric Birmingham Limited

Q: What technology areas does Concentric Birmingham Limited focus on?

Concentric Birmingham Limited's top technology area is F01M (Lubricating OF Machines OR Engines IN GENERAL; Lubricating Internal Combustion ENGINES; Crankcase Ventilating) with 3 patents. Grants appear in 7 CPC subclasses total.

USPTO PatentsView assignee record - 6 granted patents across 7 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: F01M (Lubricating OF Machines OR Engines IN GENERAL; Lubricating Internal Combustion ENGINES; Crankcase Ventilating).

Compiled by PlainPatent · May 15, 2026

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The verdict

According to USPTO PatentsView, Concentric ranks #39,578 of 49,997 tracked US assignees by granted-patent volume, with 6 patents across 7 technology areas.

#39,578
of 49,997 US assignees by volume: 16th percentile
by Innovation Score (24.9/100): 14.7
avg claims per patent: -75%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R39578 · Foreign Corporation #39,578 · 6 grants

GRANTS-MICRO · LOWER-Q · PHOTO-FINISH · CPC-NARROW · INNOV-THIN · CLAIMS-RICH · TYPE-FRNCORP · VEL-DROP · BOOK-FULL

GRANTS-MICRO 6 grants
LOWER-Q #39,578/49,997
PHOTO-FINISH Commercial Energy…
CPC-NARROW F01M · 7 areas
INNOV-THIN 24.9/100
CLAIMS-RICH 14.7 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-DROP -75% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Commercial Energy Saving Plus, 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.

Qualcomm Incorporated · highest

85
Concentric Birmingham · this assignee

25
3D Lighting… · lowest

7

What this shows Concentric's Innovation Score is 24.9/100 (16th 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 Concentric's grants concentrate

Concentric Birmingham Limited is a focused PatentsView assignee: 7 CPC subclasses with 50% of grants classified under F01M (Lubricating OF Machines OR Engines IN GENERAL; Lubricating Internal Combustion ENGINES; Crankcase Ventilating). Peak complete grant year is 2019 (2 grants) versus a trough of 1 in 2015. By volume, Concentric sits between Commercial Energy Saving Plus, LLC and Connectec Japan Corporation.

Commercial Energy…

6
Commsolid

6
Computer Protecti…

6
Comxi

6
Concentric Softwa…

6
Concentrx Pharmac…

6
Conew Network Tec…

6
Connectec Japan

6
Concentric Birmin… ◀

6

What this shows Concentric holds 6 patents at rank #39,420, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Concentric

By rank, the assignees closest to #39,420 in granted patent volume.

Leaders in F01M (Lubricating OF Machines OR Engines IN General)

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

Concentric's Innovation Score vs. every tracked assignee

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

25 16th percentile higher than 16% 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

Concentric Birmingham Limited patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	1	16.7%
2017	1	16.7%
2019	2	33.3%
2020	1	16.7%
2025partial year	1	16.7%

Which technologies does Concentric Birmingham Limited patent most?

F01M - Lubricating OF Machines OR Engines IN GENERAL; Lubricating Internal Combustion ENGINES; Crankcase Ventilating 3

F04D - Non-positive-displacement Pumps 2

F04C - Rotary-piston, OR Oscillating-piston, Positive-displacement Machines FOR Liquids ; Rotary-piston, OR Oscillating-piston, Positive-displacement Pumps 1

F01C - Rotary-piston OR Oscillating-piston Machines OR Engines 1

F01P - Cooling OF Machines OR Engines IN GENERAL; Cooling OF Internal-combustion Engines 1

G05D - Systems FOR Controlling OR Regulating Non-electric Variables 1

F16K - VALVES; TAPS; COCKS; ACTUATING-FLOATS; Devices FOR Venting OR Aerating 1

Top 7 of 7 technology areas

Where it ranks

Overall rank by patents

#39,578

of 49,997 tracked assignees

Innovation Score

24.9 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

Concentric Birmingham Limited's patent record in context - here's where to go next.

Concentric Birmingham Limited's lead technology class is F01M (Lubricating OF Machines OR Engines IN GENERAL; Lubricating Internal Combustion ENGINES; Crankcase Ventilating), 50% of its portfolio - see every assignee active in that class. Explore F01M
Ranked #39,578 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Concentric Birmingham Limited against Commercial Energy Saving Plus, LLC, an assignee filing at a similar volume. Compare portfolios
Innovation Score of 24.9/100 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.