Patents
US patents through Dec 31, 2025 · PatentsView, from the USPTO’s Open Data Portal · read Oct 27, 2026
17 patents granted to the 2 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 X-Energy, Inc.’s names, not what it holds today.
Patents granted
17
16 utility, 1 design, 1976 to Dec 31, 2025
Granted in 2025
3
Against 3 in 2024 and 1 in 2023
Applications published
26
5 of them in 2025
Names they are printed under
2
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, turbines4
Measurement2
Materials, metallurgy2
Handling1
Surface technology, coating1
The main technology area of each patent, in the World Intellectual Property Organization’s 35 fields.
Under which name2 counted
X-energy, LLC its own name
US, as the owner printed on each patent
10 publishedX-energy, LLC its own name
named as the applicant on its applications, in US
16 published
Newest grantseach row opens the USPTO’s own copy
| Granted | Patent | Title | Field | Owner as printed |
|---|
| Nov 11, 2025 | D1,101,685 | Nuclear reactor neutron reflector | | X-energy, LLC |
| Jul 1, 2025 | 12,344,932 | Deposition of ceramic layers using liquid organometallic precursors | Surface technology, coating | X-energy, LLC |
| Apr 1, 2025 | 12,264,020 | System for pneumatic transport of particles of a hazardous substance | Handling | X-energy, LLC |
| Dec 3, 2024 | 12,159,729 | System for storing a radioactive salt solution | Engines, pumps, turbines | X-energy, LLC |
| Jul 23, 2024 | 12,046,379 | Nuclear reactor with an axially stratified fuel bed | Engines, pumps, turbines | X-energy, LLC |
| Jan 2, 2024 | 11,858,825 | Preparation of acid-deficient uranyl nitrate solutions | Materials, metallurgy | X-energy, LLC |
| Oct 3, 2023 | 11,774,339 | System and method for controlling metal oxide gel particle size | Measurement | X-energy, LLC |
| Aug 3, 2021 | 11,081,241 | Nuclear fuel pebble and method of manufacturing the same | Engines, pumps, turbines | X-energy, LLC |
| Jul 6, 2021 | 11,053,589 | Multi-inlet gas distributor for chemical vapor deposition coating of TRISO particles | Materials, metallurgy | X-energy, LLC |
| Mar 30, 2021 | 10,962,461 | System and method for controlling metal oxide gel particle size | Measurement | X-energy, LLC |
Newest applications publishedan application is a clue, never a plan
| Published | Application | Title | Field | Owner as printed |
|---|
| Nov 6, 2025 | 2025/0340435 | Moving Packed Bed Processing Plant Utilizing Medium Temperature Heating and Superheating of Process Materials and Gas | Chemical engineering | X-energy, LLC |
| Nov 6, 2025 | 2025/0339829 | MOVING PACKED BED PROCESSING PLANT UTILIZING MEDIUM TEMPERATURE HEATING AND SUPERHEATING OF PROCESS MATERIALS AND GAS | Chemical engineering | X-energy, LLC |
| Nov 6, 2025 | 2025/0339828 | MOVING PACKED BED PROCESSING PLANT UTILIZING MEDIUM TEMPERATURE HEATING AND SUPERHEATING OF PROCESS MATERIALS AND GAS | Chemical engineering | X-energy, LLC |
| Nov 6, 2025 | 2025/0339827 | MOVING PACKED BED PROCESSING PLANT UTILIZING MEDIUM TEMPERATURE HEATING AND SUPERHEATING OF PROCESS MATERIALS AND GAS | Chemical engineering | X-energy, LLC |
| Mar 27, 2025 | 2025/0103013 | MULTI-VARIANT CONTROL SYSTEM FOR AN INDUSTRIAL FACILITY | Control | X-energy, LLC |
| Dec 12, 2024 | 2024/0408548 | SYSTEMS AND METHODS FOR THE PRODUCTION OF ACID DEFICIENT URANYL NITRATE FROM A DILUTE URANYL NITRATE SOLUTION VIA DIFFUSION DIALYSIS AND VACUUM DISTILLATION | Chemical engineering | X-energy, LLC |
| Nov 21, 2024 | 2024/0384934 | MOLYBDENUM-LINED CRUCIBLE | Thermal processes and apparatus | X-energy, LLC |
| Nov 7, 2024 | 2024/0369302 | DRIVE SHAFT ASSEMBLY FOR A ROTARY FURNACE | Thermal processes and apparatus | X-energy, LLC |
| Nov 7, 2024 | 2024/0367921 | SYSTEM FOR PNEUMATIC TRANSPORT OF PARTICLES OF A HAZARDOUS SUBSTANCE | Handling | X-energy, LLC · patent 12,264,020 granted from it |
| Oct 3, 2024 | 2024/0327226 | COMPOSITE AMMONIUM DIURANATE GEL PARTICLES WITH A PHENOLIC RESIN PHASE, AND METHODS OF MAKING THE SAME | Macromolecular chemistry, polymers | X-energy, LLC |
What it applied for, 2024 to 2025: Chemical engineering 5 · Engines, pumps, turbines 3 · Thermal processes and apparatus 2 · Materials, metallurgy 1 · Macromolecular chemistry, polymers 1 · Handling 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.