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

According to USPTO PatentsView (2015–2025 granted utility patents), Railserve, Inc. ranks #25,058 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 Railserve, Inc. hold?

Railserve, Inc. holds 11 US utility patents granted between 2017 and 2024, spanning 15 technology areas.

What is Railserve, Inc.'s Innovation Score?

Railserve, Inc. has an Innovation Score of 37.4 out of 100 (top 44% of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

What technology areas does Railserve, Inc. focus on?

Railserve, Inc.'s top technology area is B61L (Guiding Railway TRAFFIC; Ensuring THE Safety OF Railway Traffic) with 9 patents, ranking #38 of 195 assignees active in that subclass. Grants appear in 15 CPC subclasses total.

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

Railserve, Inc.'s recent grant velocity is +167% compared to the prior five-year period (grant years, not application filing dates). This indicates accelerating grant output.

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

Railserve, Inc.'s patents average 20.4 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 Railserve, 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

Railserve, Inc.

USPTO PatentsView assignee record - 11 granted patents across 15 technology areas, recorded in grant years 2017–2024. 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, Railserve ranks #25,058 of 49,997 tracked US assignees by granted-patent volume, with 11 patents across 15 technology areas.

#25,058
of 49,997 US assignees by volume: Top 44%
by Innovation Score (37.4/100): 20.4
avg claims per patent: +167%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R25058 · US Corporation #25,058 · 11 grants

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

GRANTS-MICRO 11 grants
MID-PACK #25,058/49,997
PHOTO-FINISH Rassini Suspensiones…
CPC-FOCUS B61L · 15 areas
INNOV-THIN 37.4/100
CLAIMS-DENSE 20.4 claims/avg
TYPE-USCORP US Corporation
VEL-SURGE +167% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Rassini Suspensiones, S.A. de C.V. (±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 Railserve’s 37.4 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 8.6 pts (23%) Velocity 2.9 pts (8%) Breadth 13.7 pts (37%) Claim depth 12.3 pts (33%)

Qualcomm Incorporated · highest

85
Railserve · this assignee

37
3D Lighting… · lowest

7

What this shows Railserve's Innovation Score is 37.4/100 (top 44% 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 Railserve?

Each dot is one of Railserve’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). Railserve’s own 20.4 claims/patent is ABOVE the 12.2 median for these volume peers. More thorough claims than most filers at this scale, not just more of them.

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

Where Railserve's grants concentrate

Railserve, Inc. is a focused PatentsView assignee: 15 CPC subclasses with 81.8% of grants classified under B61L (Guiding Railway TRAFFIC; Ensuring THE Safety OF Railway Traffic). Peak complete grant year is 2020 (4 grants) versus a trough of 1 in 2017. By volume, Railserve sits between Roho, Inc. and ReCarbon, Inc..

Railserve's three-year grant acceleration

Railserve, Inc. shows 3 grants in 2022–2024 against only 7 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.

Roho

11
Rolls-royce Power…

11
Rotzinger

11
RSA Protective

11
Rassini Suspensio…

11
Ravdos Holdings

11
Rayner Intraocula…

11
Recarbon

11
Railserve ◀

11

What this shows Railserve holds 11 patents at rank #25,066, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Railserve

By rank, the assignees closest to #25,066 in granted patent volume.

Leaders in B61L (Guiding Railway Traffic)

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

Railserve's Innovation Score vs. every tracked assignee

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

37 Top 44% higher than 56% 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 · 2017–2024

Grants by year

Teal-shaded recent years (2020–present) versus the 2017–2019 baseline. Full figures in the table below.

View data table

Railserve, Inc. patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2017	1	9.1%
2019	2	18.2%
2020	4	36.4%
2021	1	9.1%
2024	3	27.3%

Which technologies does Railserve, Inc. patent most?

B61L - Guiding Railway TRAFFIC; Ensuring THE Safety OF Railway Traffic 9

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 9

B61H - Brakes OR Other Retarding Devices Specially Adapted FOR Rail VEHICLES; Arrangement OR Disposition Thereof IN Rail Vehicles 5

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 5

H04N - Pictorial Communication, e.g. Television 4

A41D - OUTERWEAR; Protective GARMENTS; Accessories 3

G08B - Signalling OR Calling SYSTEMS; Order TELEGRAPHS; Alarm Systems 3

B61K - Auxiliary Equipment Specially Adapted FOR Railways, NOT Otherwise Provided FOR 1

E05C - Bolts OR Fastening Devices FOR Wings, Specially FOR Doors OR Windows 1

B61D - Body Details OR Kinds OF Railway Vehicles 1

B60Q - Arrangement OF Signalling OR Lighting Devices, THE Mounting OR Supporting Thereof OR Circuits Therefor, FOR Vehicles IN General 1

B60R - Vehicles, Vehicle Fittings, OR Vehicle Parts, NOT Otherwise Provided FOR 1

B60K - Arrangement OR Mounting OF Propulsion Units OR OF Transmissions IN VEHICLES; Arrangement OR Mounting OF Plural Diverse Prime-movers IN VEHICLES; Auxiliary Drives FOR VEHICLES; Instrumentation OR Dashboards FOR VEHICLES; Arrangements IN Connection With Cooling, AIR Intake, GAS Exhaust OR Fuel Supply 1

G06T - Image Data Processing OR Generation, IN General 1

A42B - HATS; Head Coverings 1

Top 15 of 15 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

Railserve, Inc.'s patent record in context - here's where to go next.

Railserve, Inc.'s lead technology class is B61L (Guiding Railway TRAFFIC; Ensuring THE Safety OF Railway Traffic), 81.8% of its portfolio - see every assignee active in that class. Explore B61L
Ranked #25,058 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Railserve, Inc. against Roho, Inc., an assignee filing at a similar volume. Compare portfolios
Innovation Score of 37.4/100 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.