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USPTO Patent Rankings Data through Dec 31, 2025
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Charles Gregory Freeman — 13 Patents

TETerrapower: 12 patents #24 of 103Top 25%
Kirkland, WA: #445 of 3,517 inventorsTop 15%
Washington: #7,874 of 76,902 inventorsTop 15%
Overall (All Time): #362,438 of 4,157,543Top 9%
13 Patents All Time
Charles Gregory Freeman has been granted 13 US patents while listed as an inventor at Terrapower. The first was granted in 2020 and the most recent in November 2025. Charles Gregory Freeman ranks #362,438 of 4,157,543 US inventors in our database (top 8.7%). Patent records list Charles Gregory Freeman in Kirkland, WA, US.

Patents per Year

Patents granted per year, 2020 to 2024Bar chart with a peak of 4 patents in 2020.peak 42020: 4 patents20202021: 2 patents20212022: 2 patents20222023: 3 patents20232024: 1 patents2024

Issued Patents All Time

Showing 1–13 of 13 patents

Patent #TitleCo-InventorsDate
12476015 Method of constructing a nuclear reactor having reactor core and control elements supported by reactor vessel head Calen Kaneko, Christopher Martin, Sean T Mosier 2025-11-18
11894155 Method of constructing a nuclear reactor having reactor core and control elements supported by reactor vessel head Calen Kaneko, Christopher Martin, Sean T Mosier 2024-02-06
11798694 Molten fuel nuclear reactor Anselmo T. Cisneros, Jr., Kevin Kramer, Jeffery F. Latkowski 2023-10-24
11791057 Reflectors for molten chloride fast reactors Anselmo T. Cisneros, Jr., Kevin Kramer, Jeffery F. Latkowski 2023-10-17
11728049 Reactor core and control elements supported by a reactor vessel head Calen Kaneko, Christopher Martin, Sean T Mosier 2023-08-15
11488731 Direct reactor auxiliary cooling system for a molten salt nuclear reactor Ryan Abbott, Anselmo T. Cisneros, Jr., Daniel Flowers, Mark A. Havstad, Kevin Kramer +3 more 2022-11-01
11367536 Molten fuel reactor thermal management configurations Ryan Abbott, Anselmo T. Cisneros, Jr., Daniel Flowers, Mark A. Havstad, Christopher J. Johns +4 more 2022-06-21
11075015 Reflectors for molten chloride fast reactors Anselmo T. Cisneros, Jr., Kevin Kramer, Jeffery F. Latkowski 2021-07-27
10923238 Direct reactor auxiliary cooling system for a molten salt nuclear reactor Ryan Abbott, Anselmo T. Cisneros, Jr., Daniel Flowers, Mark A. Havstad, Kevin Kramer +3 more 2021-02-16
10867710 Molten fuel nuclear reactor with neutron reflecting coolant Anselmo T. Cisneros, Jr., Kevin Kramer, Jeffery F. Latkowski 2020-12-15
10741293 Molten fuel reactor cooling and pump configurations Ryan Abbott, Anselmo T. Cisneros, Jr., Robert A. Corbin, Daniel Flowers, Mark A. Havstad +5 more 2020-08-11
10734122 Neutron reflector assembly for dynamic spectrum shifting Anselmo T. Cisneros, Jr., Christopher J. Johns, Kevin Kramer, Jeffery F. Latkowski 2020-08-04
10665356 Molten fuel nuclear reactor with neutron reflecting coolant Ryan Abbott, Brian C. Kelleher, William M. Kerlin, Kevin Kramer, Jeffery F. Latkowski +10 more 2020-05-26

Frequent Collaborators

Anselmo T. Cisneros, Jr.10 shared
Jeffery F. Latkowski10 shared
Kevin Kramer10 shared
Ryan Abbott5 shared
Jon D. McWhirter5 shared
Mark A. Havstad5 shared

Nearby-Ranked Inventors

Jianping Shen13
Eric John Telfeyan13
George R. Breiwa, III13
Thomas Sugar13
Andrew Howley13
Howard Halpern13
Po-Yuan Wang13
Douglas Vanesko13
Tanuj Trivedi13