G21C 13/032
Joints between tubes and vessel walls
Official title: Joints between tubes and vessel walls, e.g. taking into account thermal stresses
G21C13/032 (Joints between tubes and vessel walls) appears on 236 US grants and 154 published applications in this corpus.
Search patents in G21C- Granted patents
- 236
- Published applications
- 154
- Assignees
- 104
- Inventors
- 531
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 7 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 4 | 0 |
| 1982 | 2 | 0 |
| 1983 | 6 | 0 |
| 1984 | 3 | 0 |
| 1985 | 0 | 0 |
| 1986 | 5 | 0 |
| 1987 | 3 | 0 |
| 1988 | 4 | 0 |
| 1989 | 10 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 7 | 0 |
| 1994 | 4 | 0 |
| 1995 | 10 | 0 |
| 1996 | 8 | 0 |
| 1997 | 4 | 0 |
| 1998 | 9 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 3 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 2 |
| 2005 | 1 | 7 |
| 2006 | 0 | 1 |
| 2007 | 3 | 4 |
| 2008 | 1 | 4 |
| 2009 | 1 | 6 |
| 2010 | 3 | 5 |
| 2011 | 3 | 11 |
| 2012 | 6 | 8 |
| 2013 | 10 | 9 |
| 2014 | 9 | 11 |
| 2015 | 6 | 10 |
| 2016 | 7 | 10 |
| 2017 | 8 | 15 |
| 2018 | 10 | 8 |
| 2019 | 11 | 9 |
| 2020 | 9 | 8 |
| 2021 | 9 | 10 |
| 2022 | 10 | 7 |
| 2023 | 7 | 3 |
| 2024 | 1 | 3 |
| 2025 | 6 | 1 |
| 2026 | 5 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Jet pump clamps and methods for use in a nuclear reactor jet pump12 May 2026US 12,624,708 B2GE-Hitachi Nuclear Energy Americas LLC
- Feedthrough for applications at high pressure31 Mar 2026US 12,590,650 B2Schott AG
- Process and tools to perform reactor pressure vessel nozzle expansion mitigating primary coolant leakage10 Mar 2026US 12,573,513 B2GE-Hitachi Nuclear Energy Americas LLC
- Method for maintaining a nuclear reactor3 Mar 2026US 12,567,508 B2Framatome
- Stabilizer element for a pipe connection10 Feb 2026US 12,546,425 B2Framatome
- Modular sodium pressure sensor for nuclear reactor23 Jul 2026US 2026/0213029 A1TerraPower, LLC
- Pipe connection assembly25 Jun 2026US 2026/0179793 A1GE-Hitachi Nuclear Energy Americas LLC
- Restraining seal13 Feb 2025US 2025/0052354 A1Joint-Stock Company “Atomenergoproekt”
- Anti-rotation arrangements for thermal sleeves24 Oct 2024US 2024/0355490 A1Westinghouse Electric Corp.
- Jet Pump Clamps and Methods for use in a Nuclear Reactor Jet Pump30 May 2024US 2024/0175450 A1GE-Hitachi Nuclear Energy Americas LLC
Most cited
By later US patents
- Apparatus and method for inspecting a control rod drive mechanism penetration tube for degradation60US 5,396,800 AWestinghouse Electric Corp. · 1995
- Device for supporting a nuclear reactor core34US 3,953,289 ACommissariat A L' Energie Atomique · 1976
- Pipe clamp30US 7,798,535 B2Westinghouse Electric Corp. · 2010
- Replacement and repair of nozzles for pressure vessels27US 5,918,911 AEntergy Arkansas, Inc. · 1999
- Apparatus and methods for replacing a core spray T-box/thermal sleeve in a nuclear reactor24US 6,345,084 B12002