Where does Metrom Rail, LLC rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Metrom Rail, LLC ranks #16,195 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 Metrom Rail, LLC hold?

Metrom Rail, LLC holds 18 US utility patents granted between 2015 and 2025, spanning 7 technology areas.

What is Metrom Rail, LLC's Innovation Score?

Metrom Rail, LLC has an Innovation Score of 45.5 out of 100 (top 23% of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

What technology areas does Metrom Rail, LLC focus on?

Metrom Rail, LLC's top technology area is B61L (Guiding Railway TRAFFIC; Ensuring THE Safety OF Railway Traffic) with 18 patents, ranking #20 of 195 assignees active in that subclass. Grants appear in 7 CPC subclasses total.

Is Metrom Rail, LLC's patent grant rate increasing or decreasing?

Metrom Rail, LLC's recent grant velocity is +150% compared to the prior five-year period (grant years, not application filing dates). This indicates accelerating grant output.

What does claim depth mean for Metrom Rail, LLC's patents?

Metrom Rail, LLC's patents average 21.0 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 Metrom Rail, LLC 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

Metrom Rail, LLC

USPTO PatentsView assignee record - 18 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: B61L (Guiding Railway TRAFFIC; Ensuring THE Safety OF Railway Traffic).

Compiled by PlainPatent · May 15, 2026

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Explore the portfolio See the ranking

The verdict

According to USPTO PatentsView, Metrom ranks #16,195 of 49,997 tracked US assignees by granted-patent volume, with 18 patents across 7 technology areas.

#16,195
of 49,997 US assignees by volume: Top 23%
by Innovation Score (45.5/100): 21.0
avg claims per patent: +150%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R16195 · US Corporation #16,195 · 18 grants

GRANTS-MICRO · MID-PACK · PHOTO-FINISH · CPC-NARROW · INNOV-PAR · CLAIMS-DENSE · TYPE-USCORP · VEL-SURGE · BOOK-FULL

GRANTS-MICRO 18 grants
MID-PACK #16,195/49,997
PHOTO-FINISH Melinta Therapeutics
CPC-NARROW B61L · 7 areas
INNOV-PAR 45.5/100
CLAIMS-DENSE 21.0 claims/avg
TYPE-USCORP US Corporation
VEL-SURGE +150% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Melinta Therapeutics, 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.

How Metrom’s 45.5 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 10.2 pts (22%) Velocity 13.3 pts (29%) Breadth 9.4 pts (21%) Claim depth 12.6 pts (28%)

Qualcomm Incorporated · highest

85
Metrom Rail · this assignee

45
3D Lighting… · lowest

7

What this shows Metrom's Innovation Score is 45.5/100 (top 23% 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 Metrom?

Each dot is one of Metrom’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). Metrom’s own 21.0 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.

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

Where Metrom's grants concentrate

Metrom Rail, LLC is a focused PatentsView assignee: 7 CPC subclasses with 100% of grants classified under B61L (Guiding Railway TRAFFIC; Ensuring THE Safety OF Railway Traffic). Peak complete grant year is 2023 (3 grants) versus a trough of 1 in 2015. By volume, Metrom sits between Melinta Therapeutics, Inc. and Montage LZ Technologies (CHENGDU) Co., Ltd..

Metrom's three-year grant acceleration

Metrom Rail, LLC shows 8 grants in 2022–2024 against only 4 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.

Melinta Therapeut…

18
Memory-tech Holdi…

18
Mercury Enterpris…

18
Metal-era

18
Mitsubishi Heavy…

18
Mixed IN KEY

18
Mondi

18
Montage LZ (Cheng…

18
Metrom Rail ◀

18

What this shows Metrom holds 18 patents at rank #16,181, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Metrom

By rank, the assignees closest to #16,181 in granted patent volume.

Leaders in B61L (Guiding Railway Traffic)

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

Metrom's Innovation Score vs. every tracked assignee

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

45 Top 23% higher than 77% 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

Metrom Rail, LLC patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	1	5.6%
2017	1	5.6%
2019	2	11.1%
2020	2	11.1%
2022	2	11.1%
2023	3	16.7%
2024	3	16.7%
2025partial year	4	22.2%

Which technologies does Metrom Rail, LLC patent most?

B61L - Guiding Railway TRAFFIC; Ensuring THE Safety OF Railway Traffic 18

G01S - Radio DIRECTION-FINDING; Radio NAVIGATION; Determining Distance OR Velocity BY USE OF Radio WAVES; Locating OR Presence-detecting BY USE OF THE Reflection OR Reradiation OF Radio WAVES; Analogous Arrangements Using Other Waves 10

B60T - Vehicle Brake Control Systems OR Parts THEREOF; Brake Control Systems OR Parts Thereof, IN General ; Arrangement OF Braking Elements ON Vehicles IN GENERAL; Portable Devices FOR Preventing Unwanted Movement OF VEHICLES; Vehicle Modifications TO Facilitate Cooling OF Brakes 4

G08B - Signalling OR Calling SYSTEMS; Order TELEGRAPHS; Alarm Systems 4

H04W - Wireless Communication Networks 3

H04J - Multiplex Communication 3

G08G - Traffic Control Systems 1

Top 7 of 7 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

Metrom Rail, LLC's patent record in context - here's where to go next.

Metrom Rail, LLC's lead technology class is B61L (Guiding Railway TRAFFIC; Ensuring THE Safety OF Railway Traffic), 100% of its portfolio - see every assignee active in that class. Explore B61L
Ranked #16,195 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Metrom Rail, LLC against Melinta Therapeutics, Inc., an assignee filing at a similar volume. Compare portfolios
Innovation Score of 45.5/100 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.