Company Analysis

Trinity Industries, Inc. (TRN)

NYSE: TRN · Railroad Equipment · Dallas, TX · filing with the SEC since 1994
Grade5.0
◀ Past 3.1● Present 5.9▶ Future 5.7

Patents

US patents through Dec 31, 2025 · PatentsView, from the USPTO’s Open Data Portal · read Oct 27, 2026

82 patents granted to the 19 names below, as the owner printed on each patent when it was granted. A later sale, a lapse or an expiry is not read, so this is what was granted to Trinity Industries, Inc.’s names, not what it holds today.

Patents granted
82
82 utility, 1976 to Dec 31, 2025
Granted in 2025
7
Against 7 in 2024 and 15 in 2023
Applications published
139
8 of them in 2025
Names they are printed under
19
a subsidiary, its own name
By yearGrantedApplications published
'99'01'14'15'16'17'18'19'20'21'22'23'24'25
Each pair is one calendar year. Applications are published about eighteen months after filing, so the newest years read low.
What they are aboutgrants since 2021
Transport40
Chemical engineering2
Handling2
Machine tools1
Other consumer goods1
Engines, pumps, turbines1
Textile and paper machines1
Mechanical elements1
Civil engineering1
The main technology area of each patent, in the World Intellectual Property Organization’s 35 fields.
Under which name19 counted
Trinity Rail Group, LLC a subsidiary
named as the applicant on its applications, in US
0 granted
65 published
Trinity Rail Group, LLC a subsidiary
US, as the owner printed on each patent
43 granted
0 published
Trinity North American Freight Car, Inc. a subsidiary
named as the applicant on its applications, in US
0 granted
34 published
TRINITY NORTH AMERICAN FREIGHT CAR, INC. a subsidiary
US, as the owner printed on each patent
26 granted
1 published
Trinity Industries, Inc. its own name
named as the applicant on its applications, in US
0 granted
14 published
Trinity Tank Car, Inc. a subsidiary
named as the applicant on its applications, in US
0 granted
6 published
TRINITY TANK CAR, INC. a subsidiary
US, as the owner printed on each patent
5 granted
0 published
TRINITY PARTS & COMPONENTS, LLC a subsidiary
US, as the owner printed on each patent
4 granted
0 published
TrinityRail Maintenance Services, Inc. a subsidiary
named as the applicant on its applications, in US
0 granted
4 published
Holden America IL, LLC a subsidiary
named as the applicant on its applications, in US. 1 more under the same name are not counted (printed in CA)
0 granted
3 published
RampTech, LLC a subsidiary
named as the applicant on its applications, in US
0 granted
3 published
Trinity Parts & Components, LLC a subsidiary
named as the applicant on its applications, in US
0 granted
3 published
TRINITY BAY WORX, LLC a subsidiary
US, as the owner printed on each patent
2 granted
0 published
Trinity Bay Worx, LLC a subsidiary
named as the applicant on its applications, in US
0 granted
2 published
Trinity Central Maintenance, LLC a subsidiary
named as the applicant on its applications, in US
0 granted
2 published
TRINITY CENTRAL MAINTENANCE, LLC a subsidiary
US, as the owner printed on each patent
1 granted
0 published
TRINITYRAIL LEASING MANAGEMENT, INC. a subsidiary
named as the applicant on its applications, in US
0 granted
1 published
Trinity Industries, Inc., a Delaware Corporation its own name
US, as the owner printed on each patent
0 granted
1 published
Vigilant Systems, Inc. a subsidiary
US, as the owner printed on each patent
1 granted
0 published
Names not counted (1)
Holden America IL, LLC
Most of its patents print CA; this name counts in US. 3 granted and 0 published under it are not counted.
Newest grantseach row opens the USPTO’s own copy
GrantedPatentTitleFieldOwner as printed
Nov 18, 202512,472,994Hopper car discharge gate seal assemblyTransportTrinity Rail Group, LLC
Jul 29, 202512,371,930Variable ratio railcar door mechanismCivil engineeringTRINITY NORTH AMERICAN FREIGHT CAR, INC.
Jul 1, 202512,343,747Multi-axis articulating and rotary spray system and methodChemical engineeringTRINITY BAY WORX, LLC
Apr 15, 202512,275,442Railcar door operating systems and methods with capstan drivesTransportTrinity Rail Group, LLC
Feb 18, 202512,228,248Internal nozzle for a tank carMechanical elementsTRINITY TANK CAR, INC.
Jan 28, 202512,208,826Mechanism for longitudinal door systemsTransportTrinity Rail Group, LLC
Jan 28, 202512,208,824Operating mechanism for rail car doorTransportTRINITY NORTH AMERICAN FREIGHT CAR, INC.
Dec 31, 202412,179,812Universal hitch intermodal well car systemTransportTrinity Rail Group, LLC
Dec 31, 202412,179,811Modular coil railcarTransportTrinity Rail Group, LLC
Nov 26, 202412,151,718Welded nozzle for a tank carHandlingTRINITY TANK CAR, INC.
Newest applications publishedan application is a clue, never a plan
PublishedApplicationTitleFieldOwner as printed
Oct 23, 20252025/0326409COMPOSITE FITTINGS PLATETransportTrinity Rail Group, LLC
Oct 16, 20252025/0319485MULTI-AXIS ARTICULATING AND ROTARY SPRAY SYSTEM AND METHODChemical engineeringTrinity Bay Worx, LLC
Jun 5, 20252025/0179874MONITORED LADDER SYSTEMCivil engineeringTrinity Central Maintenance, LLC
May 15, 20252025/0153748Wireless Device for Railcar TrackingTransportTRINITYRAIL LEASING MANAGEMENT, INC.
Apr 24, 20252025/0128743Universal Hitch Intermodal Well Car SystemTransportTrinity Rail Group, LLC
Apr 17, 20252025/0122948TANK CAR BOTTOM OUTLET VALVE OPERATING ASSEMBLYMechanical elementsTrinity Rail Group, LLC
Mar 6, 20252025/0074480Modular Coil RailcarTransportTrinity Rail Group, LLC
Feb 27, 20252025/0065928WELDED NOZZLE FOR A TANK CARHandlingTrinity Tank Car, Inc.
Dec 12, 20242024/0409132Manway Relief for a Tank CarHandlingTrinity Tank Car, Inc.
Aug 22, 20242024/0278811MODULAR RAILCAR UNDERFRAME AND TOP CONTAINERTransportTrinity Rail Group, LLC
What it applied for, 2024 to 2025: Transport 10 · Civil engineering 2 · Handling 2 · Mechanical elements 1 · Chemical engineering 1.

A patent is counted where the owner printed on it when it was granted carries the company’s own name, a former name, the name of a subsidiary its annual report lists, or its own name with a patent-holding phrase (Technology Licensing, Intellectual Property and the like), once the legal form, case and punctuation are set aside, and prints a country that name counts in. PatentsView’s data are published under the Creative Commons Attribution 4.0 licence. Source: PatentsView's granted patents and pre-grant publications, disambiguated, from the USPTO's Open Data Portal, through Dec 31, 2025, read Oct 27, 2026.

SI Assistanton TRN · research, not advice