Lightbridge Corporation (LTBR)
Nasdaq: LTBR · Industrial Inorganic Chemicals · Reston, VA · filing with the SEC since 1999
Patents
US patents through Dec 31, 2025 · PatentsView, from the USPTO’s Open Data Portal · read Oct 27, 202614 patents granted to the 4 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 Lightbridge Corporation’s names, not what it holds today.
Patents granted
14
14 utility, 1976 to Dec 31, 2025
Granted in 2025
none
Against 1 in 2024 and 1 in 2023
Applications published
21
since 2001, to Dec 31, 2025
Names they are printed under
4
a former name, its own name
By yearGrantedApplications published
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
Engines, pumps, turbines5
The main technology area of each patent, in the World Intellectual Property Organization’s 35 fields.
Under which name4 counted
THORIUM POWER, INC. a former name
US, as the owner printed on each patent
5 published
Lightbridge Corporation its own name
US, as the owner printed on each patent
7 published
THORIUM POWER, INC. a former name
named as the applicant on its applications, in US
7 published
Lightbridge Corporation its own name
named as the applicant on its applications, in US
2 published
Newest grantseach row opens the USPTO’s own copy
| Granted | Patent | Title | Field | Owner as printed |
|---|---|---|---|---|
| Jan 2, 2024 | 11,862,353 | Fuel assembly | Engines, pumps, turbines | THORIUM POWER, INC. |
| Dec 5, 2023 | 11,837,371 | Method of manufacturing a nuclear fuel assembly | Engines, pumps, turbines | THORIUM POWER, INC. |
| Dec 28, 2021 | 11,211,174 | Fuel assembly | Engines, pumps, turbines | THORIUM POWER, INC. |
| Dec 7, 2021 | 11,195,629 | Fuel assembly | Engines, pumps, turbines | THORIUM POWER, INC. |
| Apr 27, 2021 | 10,991,473 | Method of manufacturing a nuclear fuel assembly | Engines, pumps, turbines | THORIUM POWER, INC. |
| Jan 29, 2019 | 10,192,644 | Fuel assembly | Engines, pumps, turbines | Lightbridge Corporation |
| Jan 1, 2019 | 10,170,207 | Fuel assembly | Engines, pumps, turbines | THORIUM POWER, INC. |
| Jul 31, 2018 | 10,037,823 | Fuel assembly | Engines, pumps, turbines | THORIUM POWER, INC. |
| May 31, 2016 | 9,355,747 | Light-water reactor fuel assembly (alternatives), a light-water reactor, and a fuel element of fuel assembly | Engines, pumps, turbines | THORIUM POWER, INC. |
| Feb 18, 2014 | 8,654,917 | Nuclear reactor (alternatives), fuel assembly of seed-blanket subassemblies for nuclear reactor (alternatives), and fuel element for fuel assembly | Engines, pumps, turbines | THORIUM POWER, INC. |
Newest applications publishedan application is a clue, never a plan
| Published | Application | Title | Field | Owner as printed |
|---|---|---|---|---|
| Nov 28, 2024 | 2024/0395424 | MULTI-ZONE FUEL ELEMENT | Engines, pumps, turbines | Lightbridge Corporation |
| Feb 15, 2024 | 2024/0055144 | FUEL ASSEMBLY | Engines, pumps, turbines | THORIUM POWER, INC. |
| Oct 19, 2023 | 2023/0335305 | FUEL ASSEMBLY | Engines, pumps, turbines | THORIUM POWER, INC. · patent 11,862,353 granted from it |
| Sep 7, 2023 | 2023/0282379 | METHOD OF MANUFACTURING A NUCLEAR FUEL ASSEMBLY | Engines, pumps, turbines | THORIUM POWER, INC. · patent 11,837,371 granted from it |
| Dec 23, 2021 | 2021/0398701 | FUEL ASSEMBLY | Engines, pumps, turbines | THORIUM POWER, INC. · patent 11,837,371 granted from it |
| Dec 23, 2021 | 2021/0398700 | FUEL ASSEMBLY | Engines, pumps, turbines | THORIUM POWER, INC. · patent 11,862,353 granted from it |
| Jan 23, 2020 | 2020/0027576 | FUEL ASSEMBLY | Engines, pumps, turbines | Lightbridge Corporation · patent 11,195,629 granted from it |
| May 9, 2019 | 2019/0139653 | FUEL ASSEMBLY | Engines, pumps, turbines | THORIUM POWER, INC. · patent 11,211,174 granted from it |
| Sep 6, 2018 | 2018/0254111 | FUEL ASSEMBLY | Engines, pumps, turbines | THORIUM POWER, INC. · patent 10,991,473 granted from it |
| Feb 4, 2016 | 2016/0035441 | FUEL ASSEMBLY | Engines, pumps, turbines | Lightbridge Corporation · patent 10,192,644 granted from it |
What it applied for, 2024 to 2025: Engines, pumps, turbines 2.
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.