G21F 5/10
Heat-removal systems
Official title: Heat-removal systems, e.g. using circulating fluid or cooling fins
G21F5/10 (Heat-removal systems) appears on 213 US grants and 215 published applications in this corpus.
Search patents in G21F- Granted patents
- 213
- Published applications
- 215
- Assignees
- 96
- Inventors
- 404
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 6 | 0 |
| 1985 | 7 | 0 |
| 1986 | 1 | 0 |
| 1987 | 4 | 0 |
| 1988 | 2 | 0 |
| 1989 | 4 | 0 |
| 1990 | 3 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 1 |
| 2002 | 4 | 2 |
| 2003 | 2 | 5 |
| 2004 | 4 | 2 |
| 2005 | 3 | 9 |
| 2006 | 1 | 5 |
| 2007 | 2 | 1 |
| 2008 | 2 | 3 |
| 2009 | 0 | 5 |
| 2010 | 2 | 4 |
| 2011 | 4 | 6 |
| 2012 | 3 | 5 |
| 2013 | 3 | 7 |
| 2014 | 5 | 16 |
| 2015 | 12 | 8 |
| 2016 | 8 | 12 |
| 2017 | 11 | 6 |
| 2018 | 9 | 17 |
| 2019 | 13 | 8 |
| 2020 | 11 | 12 |
| 2021 | 5 | 25 |
| 2022 | 18 | 13 |
| 2023 | 13 | 12 |
| 2024 | 14 | 12 |
| 2025 | 9 | 13 |
| 2026 | 3 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Compact passive decay heat removal system for transportable micro-reactor applications26 May 2026US 12,640,278 B2Westinghouse Electric Corp.
- Nuclear waste storage canisters and method of fabricating the same10 Mar 2026US 12,573,515 B2Holtec International
- System for transporting radioactive materials10 Feb 2026US 12,548,686 B2Holtec International
- High-density subterranean storage system for nuclear fuel and radioactive waste26 Aug 2025US 12,400,768 B2Holtec International
- Fuel handling system, layout, and process for nuclear reactor12 Aug 2025US 12,387,856 B2TerraPower, LLC
- Dry storage container for spent nuclear fuel with improved heat dissipation efficiency of decay heat8 Oct 2026US 2026/0311903 A1Korea Radioactive Waste Agency
- Spent nuclear fuel disposal container for recovering decay heat by applying thermoelectric element24 Sep 2026US 2026/0290632 A1Korea Radioactive Waste Agency
- System for Transportation of Highly Enriched Uranium Hexafluoride25 Jun 2026US 2026/0179800 A1NAC International, Inc.
- High-density subterranean storage system for nuclear fuel and radioactive waste11 Jun 2026US 2026/0162842 A1Holtec International
- Hazardous waste canister2 Apr 2026US 2026/0092508 A1
Most cited
By later US patents
- Radiation shield and shielding material with excellent heat-transferring property94US 5,015,863 ANisshin Steel Co., Ltd. · 1991
- Shipping cask for spent nuclear fuel assemblies73US 3,962,587 ANuclear Fuel Services, Inc. · 1976
- Shipping and storage container for spent nuclear fuel67US 4,666,659 AMitsubishi Heavy Industries, Ltd. · 1987
- Transitory storage for highly-radioactive wastes63US 4,634,875 AKernforschungsanlage Julich Gesellschaft mit beschrankter Haftung · 1987
- Radioactivity-shielding transport or storage receptacle for radioactive wastes60US 4,278,892 ASteag, Kernergie GmbH · 1981