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Thorium is the base fuel for a nuclear fuel cycle that uses an isotope of thorium, 232 Th, as the fertile material. In a thorium-fueled reactor, 232 Th absorbs neutrons to produce 233 U, which fissions and releases energy. This thorium fuel cycle has several potential advantages over a uranium fuel cycle, including thorium's greater abundance, superior physical and nuclear properties, reduced plutonium and actinide production, and better resistance to nuclear weapons proliferation when used in certain reactors.


Top 10 Corporate Owners


 
Issued Patent Count   
 
Published Application Count

Corporation Patents and Published Applications Count
1. Terrapower Llc
 
 
146
2. Inventor
 
 
63
3. United States Of America, Represented By The Secretary, Department Of Health And Human Services, The
 
 
44
4. H. C. Starck, Inc.
 
 
30
5. Honeywell
 
 
17
6. Global Advanced Metals Usa, Inc.
 
 
16
7. Byd Company Limited
 
 
16
8. General Electric Company, A Ny Corporation
 
 
15
9. Graftech International Holdings Inc.
 
 
15
10. Cristal Us, Inc.
 
 
13




Invention Categorization and Classification

Categorization and Classification Patents and Published Applications
  • Breeding
  •  
    3
    3 Breeding
  • Coolants
  •  
    26
    12 Electromagnetic , 7 Gas , 3 Organic , 2 Metal , 2 Aqueous
  • Corrosion
  •  
    5
    5 Corrosion
  • Deterrence
  •  
    1
    1 Deterrence
  • Extraction/Recovery
  •  
    100
    100 Extraction/Recovery
  • Fuel
  •  
    63
    39 Pebbles , 12 Salt , 8 Bundle , 4 Other
  • Miscellaneous
  •  
    8
    8 Miscellaneous
  • Moderators
  •  
    178
    165 Carbon-impregnated carbon , 8 Graphite , 3 Inorganic , 2 Organic
  • Reactors
  •  
    256
    93 Traveling wave , 84 Molten Salt , 38 Other , 27 Pebble bed , 13 Accelerated , 1 Cooling
  • Valve Metals-Amorphous alloys
  •  
    120
    99 Zirconium , 9 Joining , 6 Titanium , 3 Multiple elements , 2 Tantalum , 1 Hafnium
  • Valve Metals-Crystalline Alloys
  •  
    276
    106 Titanium , 38 Tantalum , 33 Vanadium , 30 Multiple , 29 Niobium , 21 Zirconium , 10 Other , 9 Hafnium
  • Waste
  •  
    40
    40 Waste


    Recent Published Activity in Thorium as of February 27, 2020