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For the Inventor, By the Inventor

Rockville, MD, United States of America

X-Energy, LLC

USPTO Granted Patents = 23


Trademarks = 1

Forward Citations = 14

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12 inventors (with patents filed for the assignee):

goldMedal Peter J Pappano (6 out of 6 patents)

silverMedal Martin Van Staden (6 out of 6 patents)

bronzeMedal Howard Kim (5 out of 5 patents)

4.  Nicholas Linneen (4 out of 6 patents)

5.  Gwennaël Beirnaert (3 out of 3 patents)

6.  Timothy Ryan Lucas (3 out of 3 patents)

7.  Michael Saitta (3 out of 3 patents)

8.  Martin Peter Van Staden (3 out of 3 patents)

9.  Daniel Brown (2 out of 2 patents)

10.  Alex Tilton (2 out of 2 patents)

11.  Nick Lineen (2 out of 2 patents)

12.  Brandon Blamer (1 out of 1 patent)

13.  Howard Taery Kim (0 patent)


23 patents:

1. 12770751 - System and method for making nuclear fuel elements with a controlled number of nuclear particles (2026-10-20),
2. D1153057 - Nuclear reactor neutron reflector (2026-10-13),
3. D1149969 - Nuclear reactor neutron reflector (2026-09-29),
4. 12687340 - Drive shaft assembly for a rotary furnace (2026-07-21),
5. 12669287 - Molybdenum-lined crucible (2026-06-30),
6. 12655027 - Composite ammonium diuranate gel particles with a phenolic resin phase, and methods of making the same (2026-06-16),
7. D1101685 - Nuclear reactor neutron reflector (2025-11-11),
8. 12344932 - Deposition of ceramic layers using liquid organometallic precursors (2025-07-01),
9. 12264020 - System for pneumatic transport of particles of a hazardous substance (2025-04-01),
10. 12159729 - System for storing a radioactive salt solution (2024-12-03),
11. 12046379 - Nuclear reactor with an axially stratified fuel bed (2024-07-23),
12. 11858825 - Preparation of acid-deficient uranyl nitrate solutions (2024-01-02),
13. 11774339 - System and method for controlling metal oxide gel particle size (2023-10-03),
14. 11081241 - Nuclear fuel pebble and method of manufacturing the same (2021-08-03),
15. 11053589 - Multi-inlet gas distributor for chemical vapor deposition coating of TRISO particles (2021-07-06),
Company Overview
X-Energy, LLC is a pioneering company based in Rockville, Maryland, specializing in advanced nuclear technology. The organization focuses on the development and commercialization of small modular reactors and high-temperature gas-cooled reactors, aiming to provide safe, reliable, and sustainable energy solutions. X-Energy's innovative approach emphasizes efficiency and environmental responsibility, positioning it as a key player in the transition to clean energy and the future of nuclear power generation.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

X-Energy, LLC USPTO Patent Assignee Logo
23 Patents

#32 in Rockville, MD

#189 in Maryland

#14,438 in US

#27,714 in the World

Rockville, MD (US)
Rockville, MD, United States of America

X-Energy, LLC

Forward Citations = 14

12 inventors:

goldMedal Peter J Pappano (6 out of 6 patents)

silverMedal Martin Van Staden (6 out of 6 patents)

bronzeMedal Howard Kim (5 out of 5 patents)

4.  Nicholas Linneen (4 out of 6 patents)

5.  Gwennaël Beirnaert (3 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: X-Energy, LLC. Retrieved from https://idiyas.com/company/x-energy

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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