USPTO 2015–2025 USPTO PatentsView US Corporation

Amsted Rail Company, Inc.

USPTO PatentsView assignee record - 101 granted patents across 65 technology areas, active 2015–2025. 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

101

Total patents granted

CPC technology areas

21.0

Avg claims per patent

+59%

5-year filing velocity

The verdict

Amsted holds 101 US patents across 65 technology areas, rank #3,616 of 50,000 tracked assignees.

#3,616
of 50,000 US assignees by volume: Top 3%
by Innovation Score (60.3/100): 21.0
avg claims per patent: +59%
filing velocity, last 5 yrs

Portfolio overview

Amsted Rail Company, Inc. has been granted 101 US utility patents between 2015 and 2025, placing Amsted Rail Company, Inc. at rank #3,616 across all assignees tracked by PlainPatent. This portfolio spans 65 distinct Cooperative Patent Classification (CPC) subclasses, averaging 21.0 claims per patent with primary concentration in B61L (GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC). As a US Corporation, Amsted Rail Company, Inc. is one of the broader-portfolio assignees in the PatentsView dataset. By volume, Amsted sits between VMI Holland B.v. (102 patents, rank #3,612) and Chimei Corporation (101 patents, rank #3,620) - the closest US assignees by grant volume. The composite Innovation Score of 60.3/100 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 62 grants, compared with 39 in the 2015–2019 window, a +59% 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. Amsted Rail Company, Inc.'s 21.0 average claims per patent reflects complex, broadly scoped inventions that are difficult for competitors to design around, while a multi-domain presence across 65 subclasses balances depth with breadth. Combined with portfolio volume, these signals let analysts, investors, and licensing professionals benchmark Amsted Rail Company, Inc. against peers pursuing similar technology classes.

VMI Holland B V

102
Veolia Water Solu…

102
Woojin Plastic

102
Wabash National

102
Bentley Motors

101
Ceraloc Innovatio…

101
Chang CHUN Petroc…

101
Chimei

101
Amsted Rail ◀

101

What this shows Amsted holds 101 patents at rank #3,616, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Amsted

By rank, the assignees closest to #3,616 in granted patent volume.

Leaders in B61L (Guiding Railway Traffic)

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

Amsted's Innovation Score vs. every tracked assignee

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

60 Top 3% higher than 97% 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 · 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

Amsted Rail Company, Inc. patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	6	5.9%
2016	2	2.0%
2017	9	8.9%
2018	8	7.9%
2019	14	13.9%
2020	12	11.9%
2021	7	6.9%
2022	10	9.9%
2023	12	11.9%
2024	11	10.9%
2025	10	9.9%

Which technologies does Amsted Rail Company, Inc. patent most?

B61L - GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC 28

B61F - RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES 28

B61H - BRAKES OR OTHER RETARDING DEVICES SPECIALLY ADAPTED FOR RAIL VEHICLES; ARRANGEMENT OR DISPOSITION THEREOF IN RAIL VEHICLES 14

B61K - AUXILIARY EQUIPMENT SPECIALLY ADAPTED FOR RAILWAYS, NOT OTHERWISE PROVIDED FOR 13

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 13

F16C - SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS 12

B61G - COUPLINGS; DRAUGHT AND BUFFING APPLIANCES 10

F16J - PISTONS ; CYLINDERS; SEALINGS 8

G01M - TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR 7

B22D - CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES 6

B61D - BODY DETAILS OR KINDS OF RAILWAY VEHICLES 6

G06N - COMPUTING ARRANGEMENTS BASED ON SPECIFIC COMPUTATIONAL MODELS 5

Y02T - CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION 5

H04L - TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION 4

H04W - WIRELESS COMMUNICATION NETWORKS 4

Top 15 of 65 technology areas

Patent Moat Analysis

Portfolio Volume Moderate

Tech Breadth Multi-domain

Claim Depth Complex

Velocity Accelerating

Where it ranks

Overall rank by patents

#3,616

Across all tracked assignees

Innovation Score

60.3 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 Amsted Rail Company, Inc. hold?

Amsted Rail Company, Inc. holds 101 US granted patents filed between 2015 and 2025, spanning 65 technology areas.

What is Amsted Rail Company, Inc.'s Innovation Score?

Amsted Rail Company, Inc. has an Innovation Score of 60.3 out of 100. This composite metric weighs portfolio volume (40%), filing velocity (20%), technology breadth (25%), and claim depth (15%).

What technology areas does Amsted Rail Company, Inc. focus on?

Amsted Rail Company, Inc.'s top technology area is B61L (GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC) with 28 patents. The company has filed patents in 65 CPC subclasses total.

Is Amsted Rail Company, Inc.'s patent filing rate increasing or decreasing?

Amsted Rail Company, Inc.'s recent filing velocity is +59% compared to the prior five-year period. This indicates accelerating innovation.

What does claim depth mean for Amsted Rail Company, Inc.'s patents?

Amsted Rail Company, Inc.'s patents average 21.0 claims each. This indicates complex, broadly scoped patents that are harder for competitors to design around.

How is the Amsted Rail Company, 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

Amsted's 101 grants land it in the top 3% 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 - Amsted ranks #3,616 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.