USPTO 2015–2025 USPTO PatentsView Foreign Corporation

Railway Engineering Research Institute, China Academy OF Railway Sciences Co., Ltd.

Q: Where does Railway Engineering Research Institute, China Academy OF Railway Sciences Co., Ltd. rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Railway Engineering Research Institute, China Academy OF Railway Sciences Co., Ltd. ranks #37,157 of 49,997 assignees by granted-patent volume, the same sort as the companies listing and top-holders ranking. See /methodology/#corpus-placement.

Q: How is the Railway Engineering Research Institute, China Academy OF Railway Sciences Co., Ltd. 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 PatentsView assignee record - 7 granted patents across 13 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: E01B (Permanent WAY; Permanent-way TOOLS; Machines FOR Making Railways OF ALL Kinds).

Compiled by PlainPatent · May 15, 2026

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The verdict

According to USPTO PatentsView, Railway ranks #37,157 of 49,997 tracked US assignees by granted-patent volume, with 7 patents across 13 technology areas.

#37,157
of 49,997 US assignees by volume: 29th percentile
by Innovation Score (29.1/100): 9.7
avg claims per patent: +50%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R37157 · Foreign Corporation #37,157 · 7 grants

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

GRANTS-MICRO 7 grants
MID-PACK #37,157/49,997
PHOTO-FINISH R3—RELIABLE…
CPC-FOCUS E01B · 13 areas
INNOV-THIN 29.1/100
CLAIMS-PAR 9.7 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-SURGE +50% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: R3—RELIABLE Realtime Radio Communications GMBH (±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
Railway Engineering… · this assignee

29
3D Lighting… · lowest

7

What this shows Railway's Innovation Score is 29.1/100 (29th 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 Railway's grants concentrate

Railway Engineering Research Institute, China Academy OF Railway Sciences Co., Ltd. is a focused PatentsView assignee: 13 CPC subclasses with 42.9% of grants classified under E01B (Permanent WAY; Permanent-way TOOLS; Machines FOR Making Railways OF ALL Kinds). Peak complete grant year is 2020 (2 grants) versus a trough of 1 in 2015. By volume, Railway sits between R.H. Sheppard Co. Inc. and Raycap IP Development Ltd.

Railway's three-year grant acceleration

Railway Engineering Research Institute, China Academy OF Railway Sciences Co., Ltd. shows 1 grants in 2022–2024 against only 2 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.

R H Sheppard

7
R Q C

7
R3—Reliable Realt…

7
Radar Leather Div…

7
Ranplan Wireless…

7
Rapid AID

7
Raptor Pharmaceut…

7
Raycap IP Develop…

7
Railway Engineeri… ◀

7

What this shows Railway holds 7 patents at rank #37,135, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Railway

By rank, the assignees closest to #37,135 in granted patent volume.

Leaders in E01B (Permanent WAY)

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

Railway's Innovation Score vs. every tracked assignee

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

29 29th percentile higher than 29% 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

Railway Engineering Research Institute, China Academy OF Railway Sciences Co., Ltd. patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	1	14.3%
2017	1	14.3%
2020	2	28.6%
2024	1	14.3%
2025partial year	2	28.6%

Which technologies does Railway Engineering Research Institute, China Academy OF Railway Sciences Co., Ltd. patent most?

E01B - Permanent WAY; Permanent-way TOOLS; Machines FOR Making Railways OF ALL Kinds 3

G01M - Testing Static OR Dynamic Balance OF Machines OR STRUCTURES; Testing OF Structures OR Apparatus, NOT Otherwise Provided FOR 2

G01C - Measuring Distances, Levels OR BEARINGS; SURVEYING; NAVIGATION; Gyroscopic INSTRUMENTS; Photogrammetry OR Videogrammetry 1

G01P - Measuring Linear OR Angular Speed, Acceleration, Deceleration, OR SHOCK; Indicating Presence, Absence, OR Direction, OF Movement 1

B61L - Guiding Railway TRAFFIC; Ensuring THE Safety OF Railway Traffic 1

G01G - Weighing 1

B29C - Shaping OR Joining OF PLASTICS; Shaping OF Material IN A Plastic State, NOT Otherwise Provided FOR; After-treatment OF THE Shaped Products, e.g. Repairing 1

B29K - Indexing Scheme Associated With Subclasses B29b, B29c OR B29d, Relating TO Moulding Materials OR TO Materials FOR ; Moulds, ; Reinforcements, Fillers OR Preformed Parts, e.g. Inserts 1

C08J - WORKING-UP; General Processes OF COMPOUNDING; After-treatment NOT Covered BY Subclasses C08b, C08c, C08f, C08g or C08h 1

C08G - Macromolecular Compounds Obtained Otherwise Than BY Reactions Only Involving Unsaturated Carbon-to-carbon Bonds 1

G01N - Investigating OR Analysing Materials BY Determining Their Chemical OR Physical Properties 1

Y02A - Technologies FOR Adaptation TO Climate Change 1

E01F - Additional Work, Such AS Equipping Roads OR THE Construction OF Platforms, Helicopter Landing Stages, Signs, Snow Fences, OR THE Like 1

Top 13 of 13 technology areas

Where it ranks

Overall rank by patents

#37,157

of 49,997 tracked assignees

Innovation Score

29.1 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

Railway Engineering Research Institute, China Academy OF Railway Sciences Co., Ltd.'s patent record in context - here's where to go next.

Railway Engineering Research Institute, China Academy OF Railway Sciences Co., Ltd.'s lead technology class is E01B (Permanent WAY; Permanent-way TOOLS; Machines FOR Making Railways OF ALL Kinds), 42.9% of its portfolio - see every assignee active in that class. Explore E01B
Ranked #37,157 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Railway Engineering Research Institute, China Academy OF Railway Sciences Co., Ltd. against R.H. Sheppard Co. Inc., an assignee filing at a similar volume. Compare portfolios
Innovation Score of 29.1/100 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.