G21C 11/08
Thermal shields
Official title: Thermal shields; Thermal linings, i.e. for dissipating heat from gamma radiation which would otherwise heat an outer biological shield {; Thermal insulation}
G21C11/08 (Thermal shields) appears on 137 US grants and 66 published applications in this corpus.
Search patents in G21C- Granted patents
- 137
- Published applications
- 66
- Assignees
- 91
- Inventors
- 350
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 12 | 0 |
| 1977 | 15 | 0 |
| 1978 | 7 | 0 |
| 1979 | 3 | 0 |
| 1980 | 7 | 0 |
| 1981 | 8 | 0 |
| 1982 | 3 | 0 |
| 1983 | 7 | 0 |
| 1984 | 2 | 0 |
| 1985 | 3 | 0 |
| 1986 | 3 | 0 |
| 1987 | 7 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 4 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 2 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 2 |
| 2009 | 0 | 2 |
| 2010 | 0 | 2 |
| 2011 | 1 | 1 |
| 2012 | 0 | 1 |
| 2013 | 2 | 1 |
| 2014 | 1 | 1 |
| 2015 | 0 | 3 |
| 2016 | 1 | 2 |
| 2017 | 2 | 0 |
| 2018 | 1 | 7 |
| 2019 | 2 | 2 |
| 2020 | 2 | 7 |
| 2021 | 6 | 6 |
| 2022 | 4 | 5 |
| 2023 | 7 | 5 |
| 2024 | 2 | 6 |
| 2025 | 3 | 6 |
| 2026 | 4 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Nuclear reactors having liquid metal alloy fuels and/or moderators4 Aug 2026US 12,700,513 B2
- Integrated reactor shield structures and integrated pressure vessel structures21 Jul 2026US 12,688,945 B2Battelle Energy Alliance, LLC
- Carbide-based fuel assembly for thermal propulsion applications20 Jan 2026US 12,531,166 B2BWXT Nuclear Energy, Inc.
- Nuclear reactor system and metallic coolant composition13 Jan 2026US 12,525,366 B2Last Energy Inc.
- System for heat transfer between primary and secondary fluid circuits within a diffusion-bonded pressure vessel wall for a nuclear reactor9 Sep 2025US 12,412,674 B2Last Energy Inc.
- Cooled headspace utilizing nitrogen-to-nitrogen heat exchanger10 Sep 2026US 2026/0269093 A1Natura Resources LLC
- Nuclear reactor thermal management system5 Mar 2026US 2026/0066141 A1Abilene Christian University
- System & method for 3-d printing a nuclear reactor12 Feb 2026US 2026/0045376 A1Last Energy Inc.
- System for heat transfer between primary and secondary fluid circuits within a diffusion-bonded pressure vessel wall for a nuclear reactor5 Feb 2026US 2026/0038704 A1Last Energy Inc.
- Nuclear reactor thermal management system12 Jun 2025US 2025/0191793 A1Abilene Christian University
Most cited
By later US patents
- Insulated container and insulating element therefor102US 4,640,437 AKremsmunster, Austria · 1987
- Threaded insert for repairing a nuclear assembly78US 5,065,490 ACombustion Engineering, Inc. · 1991
- Passive containment cooling system52US 5,049,353 AWestinghouse Electric Corp. · 1991
- Nuclear reactors33US 3,979,866 ANuclear Power Company (Whetstone) Limited · 1976
- Fast reactor having reflector control system33US 5,420,897 ACentral Research Institute of Electric Power Industry · 1995