G21C 15/12
From pressure vessel
Official title: from pressure vessel; from containment vessel
G21C15/12 (From pressure vessel) appears on 133 US grants and 141 published applications in this corpus.
Search patents in G21C- Granted patents
- 133
- Published applications
- 141
- Assignees
- 61
- Inventors
- 343
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 6 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 3 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 1 |
| 2005 | 1 | 1 |
| 2006 | 2 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 3 |
| 2013 | 0 | 3 |
| 2014 | 3 | 5 |
| 2015 | 1 | 5 |
| 2016 | 0 | 1 |
| 2017 | 5 | 8 |
| 2018 | 2 | 15 |
| 2019 | 7 | 5 |
| 2020 | 18 | 17 |
| 2021 | 7 | 16 |
| 2022 | 13 | 18 |
| 2023 | 12 | 8 |
| 2024 | 11 | 14 |
| 2025 | 7 | 8 |
| 2026 | 9 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Nuclear modular isolated reactor support system assembly and modules29 Sep 2026US 12,749,587 B2GE-Hitachi Nuclear Energy Americas LLC
- Nuclear power generation system and nuclear reactor unit8 Sep 2026US 12,731,699 B2Mitsubishi Heavy Industries, Ltd.
- Passive heat removal system for nuclear reactors14 Jul 2026US 12,683,034 B2TerraPower, LLC
- Passive cooling system for nuclear reactor and method for operating the same2 Jun 2026US 12,646,630 B2Korea Atomic Energy Research Institute
- Nuclear reactor system inside a borehole28 Apr 2026US 12,614,643 B2Deep Fission, Inc.
- Non-integral feedwater plenum24 Sep 2026US 2026/0290635 A1NuScale Power, LLC
- Internal flow structures for molten salt reactors27 Aug 2026US 2026/0253754 A1
- Containment vacuum breaker13 Aug 2026US 2026/0237532 A1NuScale Power, LLC
- Multiplicative fission and converter Core for thermal and electrial generation16 Jul 2026US 2026/0204442 A1
- Nuclear power plant18 Jun 2026US 2026/0171274 A1
Most cited
By later US patents
- Device for cooling containments53US 5,564,498 ARobatel · 1996
- Passive containment cooling system52US 5,049,353 AWestinghouse Electric Corp. · 1991
- Method for passive cooling liquid metal cooled nuclear reactors, and system thereof24US 5,043,135 AGeneral Electric Company · 1991
- Natural circulating passive cooling system for nuclear reactor containment structure16US 4,948,554 AGeneral Electric Company · 1990
- Pipe connector assembly16US 5,912,936 AGeneral Electric Company · 1999