Where does Union Tank Car Company rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Union Tank Car Company ranks #19,301 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 Union Tank Car Company hold?

Union Tank Car Company holds 15 US utility patents granted between 2015 and 2021, spanning 15 technology areas.

What is Union Tank Car Company's Innovation Score?

Union Tank Car Company has an Innovation Score of 34.8 out of 100 (49th percentile of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

What technology areas does Union Tank Car Company focus on?

Union Tank Car Company's top technology area is B61D (Body Details OR Kinds OF Railway Vehicles) with 11 patents. Grants appear in 15 CPC subclasses total.

Is Union Tank Car Company's patent grant rate increasing or decreasing?

Union Tank Car Company's recent grant velocity is -64% compared to the prior five-year period (grant years, not application filing dates). Grant activity has slowed relative to earlier years.

What does claim depth mean for Union Tank Car Company's patents?

Union Tank Car Company's patents average 19.1 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 Union Tank Car Company 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

Union Tank Car Company

USPTO PatentsView assignee record - 15 granted patents across 15 technology areas, recorded in grant years 2015–2021. 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: B61D (Body Details OR Kinds OF Railway Vehicles).

Compiled by PlainPatent · May 15, 2026

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The verdict

According to USPTO PatentsView, Union ranks #19,301 of 49,997 tracked US assignees by granted-patent volume, with 15 patents across 15 technology areas.

#19,301
of 49,997 US assignees by volume: 49th percentile
by Innovation Score (34.8/100): 19.1
avg claims per patent: -64%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R19301 · US Corporation #19,301 · 15 grants

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

GRANTS-MICRO 15 grants
MID-PACK #19,301/49,997
PHOTO-FINISH Ubiquitous Energy
CPC-FOCUS B61D · 15 areas
INNOV-THIN 34.8/100
CLAIMS-RICH 19.1 claims/avg
TYPE-USCORP US Corporation
VEL-DROP -64% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Ubiquitous Energy, 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.

Qualcomm Incorporated · highest

85
Union Tank Car · this assignee

35
3D Lighting… · lowest

7

What this shows Union's Innovation Score is 34.8/100 (49th 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 Union's grants concentrate

Union Tank Car Company is a focused PatentsView assignee: 15 CPC subclasses with 73.3% of grants classified under B61D (Body Details OR Kinds OF Railway Vehicles). Peak complete grant year is 2017 (4 grants) versus a trough of 1 in 2018. By volume, Union sits between Ubiquitous Energy, Inc. and V. Mane Fils.

Ubiquitous Energy

15
Unchained Labs

15
Under the Weather

15
Understory

15
United Constructi…

15
University of Nor…

15
University of Not…

15
V Mane Fils

15
Union Tank Car ◀

15

What this shows Union holds 15 patents at rank #19,304, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Union

By rank, the assignees closest to #19,304 in granted patent volume.

Leaders in B61D (Body Details OR Kinds OF Railway Vehicles)

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

Union's Innovation Score vs. every tracked assignee

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

35 49th percentile higher than 49% 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 · 2015–2021

Grants by year

Teal-shaded recent years (2020–present) versus the 2015–2019 baseline. Full figures in the table below.

View data table

Union Tank Car Company patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	2	13.3%
2016	3	20.0%
2017	4	26.7%
2018	1	6.7%
2019	1	6.7%
2020	2	13.3%
2021	2	13.3%

Which technologies does Union Tank Car Company patent most?

B61D - Body Details OR Kinds OF Railway Vehicles 11

G01M - Testing Static OR Dynamic Balance OF Machines OR STRUCTURES; Testing OF Structures OR Apparatus, NOT Otherwise Provided FOR 7

B61L - Guiding Railway TRAFFIC; Ensuring THE Safety OF Railway Traffic 3

G01V - GEOPHYSICS; Gravitational MEASUREMENTS; Detecting Masses OR OBJECTS; Tags 3

G01J - Measurement OF Intensity, Velocity, Spectral Content, Polarisation, Phase OR Pulse Characteristics OF Infrared, Visible OR Ultraviolet LIGHT; COLORIMETRY; Radiation Pyrometry 3

G01G - Weighing 3

G01K - Measuring TEMPERATURE; Measuring Quantity OF HEAT; Thermally-sensitive Elements NOT Otherwise Provided FOR 3

G01C - Measuring Distances, Levels OR BEARINGS; SURVEYING; NAVIGATION; Gyroscopic INSTRUMENTS; Photogrammetry OR Videogrammetry 3

G01P - Measuring Linear OR Angular Speed, Acceleration, Deceleration, OR SHOCK; Indicating Presence, Absence, OR Direction, OF Movement 3

B61K - Auxiliary Equipment Specially Adapted FOR Railways, NOT Otherwise Provided FOR 3

Y10T - Technical Subjects Covered BY Former US Classification 3

F16K - VALVES; TAPS; COCKS; ACTUATING-FLOATS; Devices FOR Venting OR Aerating 3

G05G - Control Devices OR Systems Insofar AS Characterised BY Mechanical Features Only 2

F17D - Pipe-line SYSTEMS; Pipe-lines 1

F16B - Devices FOR Fastening OR Securing Constructional Elements OR Machine Parts Together, e.g. Nails, Bolts, Circlips, Clamps, Clips OR WEDGES; Joints OR Jointing 1

Top 15 of 15 technology areas

Where it ranks

Overall rank by patents

#19,301

of 49,997 tracked assignees

Innovation Score

34.8 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

Union Tank Car Company's patent record in context - here's where to go next.

Union Tank Car Company's lead technology class is B61D (Body Details OR Kinds OF Railway Vehicles), 73.3% of its portfolio - see every assignee active in that class. Explore B61D
Ranked #19,301 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Union Tank Car Company against Ubiquitous Energy, Inc., an assignee filing at a similar volume. Compare portfolios
Innovation Score of 34.8/100 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.