Holtec International
191Patents
173Active
191Granted
58Portfolio score
Filing activity: May 30, 2000 → Jan 23, 2024 · 20 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6519307B1 | Ventilated overpack apparatus and method for storing spent nuclear fuel | Physics | 52 | Expired |
| US6718000B2 | Ventilated vertical overpack | Emerging Cross-Sectional Technologies | 43 | Expired |
| US7590213B1 | Systems and methods for storing spent nuclear fuel having protection design | Physics | 39 | Expired |
| US6793450B2 | Below grade cask transfer facility | Emerging Cross-Sectional Technologies | 36 | Expired |
| US7330526B2 | System and method of storing high level waste | Emerging Cross-Sectional Technologies | 33 | Expired |
| US6853697B2 | Hermetically sealable transfer cask | Emerging Cross-Sectional Technologies | 32 | Expired |
| US7096600B2 | Forced gas flow canister dehydration | Emerging Cross-Sectional Technologies | 27 | Expired |
| US8351562B2 | Method of storing high level waste | Emerging Cross-Sectional Technologies | 27 | Active |
| US8798224B2 | Apparatus for storing and/or transporting high level radioactive waste, and method for manufacturing the same | Emerging Cross-Sectional Technologies | 24 | Active |
| US7676016B2 | Manifold system for the ventilated storage of high level waste and a method of using the same to store high level waste in a below-grade environment | Physics | 23 | Expired |
| US7210247B2 | Forced gas flow canister dehydration | Emerging Cross-Sectional Technologies | 21 | Active |
| US7933374B2 | System and method of storing and/or transferring high level radioactive waste | Emerging Cross-Sectional Technologies | 21 | Active |
| US7786456B2 | Apparatus for providing additional radiation shielding to a container holding radioactive materials, and method of using the same to handle and/or process radioactive materials | Physics | 20 | Active |
| US6587536B1 | Method and apparatus for maximizing radiation shielding during cask transfer procedures | Emerging Cross-Sectional Technologies | 20 | Expired |
| US9852822B2 | High-density subterranean storage system for nuclear fuel and radioactive waste | Emerging Cross-Sectional Technologies | 20 | Active |
| US10446287B2 | High-density subterranean storage system for nuclear fuel and radioactive waste | Emerging Cross-Sectional Technologies | 19 | Active |
| US8576976B2 | Apparatus for supporting radioactive fuel assemblies and methods of manufacturing the same | Emerging Cross-Sectional Technologies | 19 | Active |
| US6625246B1 | System and method for transferring spent nuclear fuel from a spent nuclear fuel pool to a storage cask | Emerging Cross-Sectional Technologies | 18 | Expired |
| US10049777B2 | Method for storing radioactive waste, and system for implementing the same | Physics | 16 | Active |
| US8135107B2 | Canister apparatus and basket for transporting, storing and/or supporting spent nuclear fuel | Physics | 16 | Active |
| US9612058B2 | Heat exchanger apparatus for converting a shell-side liquid into a vapor | Mechanical Engineering; Lighting; Heating | 15 | Active |
| US7330525B2 | Method and apparatus for maximizing radiation shielding during cask transfer procedures | Emerging Cross-Sectional Technologies | 15 | Expired |
| US8833437B2 | Heat exchanger apparatus for converting a shell-side liquid into a vapor | Mechanical Engineering; Lighting; Heating | 15 | Active |
| US7707741B2 | Method and apparatus for dehydrating high level waste based on dew point temperature measurements | Emerging Cross-Sectional Technologies | 15 | Active |
| US10410756B2 | Container for storing and/or transporting spent nuclear fuel | Physics | 13 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.