USPTO 2015–2025 USPTO PatentsView US Corporation

Railserve, Inc.

USPTO PatentsView assignee record - 11 granted patents across 15 technology areas, active 2017–2024. Filing-trend and competitive-moat analysis cross-referenced to USPTO Patent Public Search. Primary class: B61L (GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC).

Compiled byPlainPatent Editorial, US Patent Intelligence Editorial Team · May 15, 2026

Explore the portfolio See the ranking

Total patents granted

CPC technology areas

20.4

Avg claims per patent

+167%

5-year filing velocity

The verdict

Railserve holds 11 US patents across 15 technology areas, rank #25,066 of 50,000 tracked assignees.

#25,066
of 50,000 US assignees by volume: Top 44%
by Innovation Score (37.4/100): 20.4
avg claims per patent: +167%
filing velocity, last 5 yrs

Portfolio overview

Railserve, Inc. has been granted 11 US utility patents between 2017 and 2024, placing Railserve, Inc. at rank #25,066 across all assignees tracked by PlainPatent. This portfolio spans 15 distinct Cooperative Patent Classification (CPC) subclasses, averaging 20.4 claims per patent with primary concentration in B61L (GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC). As a US Corporation, Railserve, Inc. is one of the more focused assignees in the PatentsView dataset. By volume, Railserve sits between ROHO, Inc. (11 patents, rank #25,062) and Recarbon, Inc. (11 patents, rank #25,070) - the closest US assignees by grant volume. The composite Innovation Score of 37.4/100 blends portfolio volume, filing velocity, technology breadth, and claim depth into a single comparable measure drawn directly from USPTO PatentsView records.

Filing cadence tells the strategic story. Between 2020 and 2025 the company received 8 grants, compared with 3 in the 2015–2019 window, a +167% shift in five-year velocity. An acceleration of this magnitude signals aggressive R&D investment and expanding technical ambition. The US Corporation classification further shapes interpretation, since corporate, government, and individual filers pursue patents for materially different reasons.

Claim depth and technology breadth together indicate competitive posture. Railserve, Inc.'s 20.4 average claims per patent reflects complex, broadly scoped inventions that are difficult for competitors to design around, while concentration in 15 subclasses points to a focused technical program. Combined with portfolio volume, these signals let analysts, investors, and licensing professionals benchmark Railserve, Inc. against peers pursuing similar technology classes.

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, filing velocity, technology breadth, and claim depth (0–100)

37 Top 44% higher than 56% 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 · 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

Patent Moat Analysis

Portfolio Volume Light

Tech Breadth Focused

Claim Depth Complex

Velocity Accelerating

Where it ranks

Overall rank by patents

#25,066

Across all tracked assignees

Innovation Score

37.4 out of 100

View all rankings →

Data Source

USPTO PatentsView, US granted patents 2015–2025

How is Innovation Score calculated?

Frequently Asked Questions

How many patents does Railserve, Inc. hold?

Railserve, Inc. holds 11 US granted patents filed 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. This composite metric weighs portfolio volume (40%), filing 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. The company has filed patents in 15 CPC subclasses total.

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

Railserve, Inc.'s recent filing velocity is +167% compared to the prior five-year period. This indicates accelerating innovation.

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

Railserve, Inc.'s patents average 20.4 claims each. This indicates complex, broadly scoped patents that are harder for competitors to design around.

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.

How to use this portfolio

Railserve's 11 grants land it in the top 44% by Innovation Score, but volume alone doesn't tell you where the strength sits.

Read that count against the largest US assignees before treating it as dominance - Railserve ranks #25,066 of 50,000. Top 50 holders
Most of this portfolio concentrates in B61L - see who else leads that technology area. B61L leaders
Check what the four-part Innovation Score actually rewards before comparing it to another company. How the score works

Patent counts and the Innovation Score measure patenting activity, not commercial success or the legal strength of any patent. Many patents are filed defensively. Verify the status of an individual patent against official USPTO records.

Data sourced from USPTO PatentsView - official U.S. government patent data. See our methodology for computation details. Retrieved and formatted by PlainPatent Editorial

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 byPlainPatent Editorial, US Patent Intelligence Editorial Team · 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.