G21C 19/207
Assembling, maintenance or repair of reactor components
Official title: {Assembling, maintenance or repair of reactor components (G21C3/334 takes precedence)}
G21C19/207 (Assembling, maintenance or repair of reactor components) appears on 286 US grants and 255 published applications in this corpus.
Search patents in G21C- Granted patents
- 286
- Published applications
- 255
- Assignees
- 87
- Inventors
- 610
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 3 | 0 |
| 1987 | 4 | 0 |
| 1988 | 3 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 9 | 0 |
| 1992 | 3 | 0 |
| 1993 | 4 | 0 |
| 1994 | 8 | 0 |
| 1995 | 6 | 0 |
| 1996 | 2 | 0 |
| 1997 | 10 | 0 |
| 1998 | 7 | 0 |
| 1999 | 5 | 0 |
| 2000 | 3 | 0 |
| 2001 | 4 | 0 |
| 2002 | 3 | 4 |
| 2003 | 3 | 0 |
| 2004 | 1 | 3 |
| 2005 | 0 | 4 |
| 2006 | 5 | 3 |
| 2007 | 1 | 5 |
| 2008 | 1 | 7 |
| 2009 | 2 | 10 |
| 2010 | 8 | 16 |
| 2011 | 4 | 17 |
| 2012 | 10 | 19 |
| 2013 | 8 | 16 |
| 2014 | 18 | 13 |
| 2015 | 20 | 22 |
| 2016 | 12 | 13 |
| 2017 | 14 | 15 |
| 2018 | 18 | 13 |
| 2019 | 12 | 15 |
| 2020 | 14 | 11 |
| 2021 | 12 | 10 |
| 2022 | 13 | 7 |
| 2023 | 5 | 10 |
| 2024 | 5 | 12 |
| 2025 | 11 | 5 |
| 2026 | 8 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Shaft coupling and uncoupling tool28 Jul 2026US 12,694,998 B2Westinghouse Electric Corp.
- Internals lifting device30 Jun 2026US 12,671,005 B2Rolls-Royce Smr Limited
- Nuclear reactor and method of opening a nuclear reactor16 Jun 2026US 12,658,331 B2Rolls-Royce Smr Limited
- Integrated head package10 Mar 2026US 12,573,514 B2Rolls-Royce Smr Limited
- Nuclear instrument removal system for use with processing a nuclear instrument, associated feed and cut module, and method of processing a nuclear instrument17 Sep 2026US 2026/0279608 A1Hi-Tech Solutions Ltd.
- In-situ evaporative removal of liquid metal coolant from nuclear reactor fuel rods and components25 Jun 2026US 2026/0179794 A1Aalo Holdings, Inc., dba Aalo Atomics
- Nuclear instrument removal system for use with processing a nuclear instrument, associated feed and cut module, and method of processing a nuclear instrument21 May 2026US 2026/0142047 A1Hi-Tech Solutions Ltd.
- Systems and methods for cleaning control rod drives23 Apr 2026US 2026/0112513 A1GE-Hitachi Nuclear Energy Americas LLC
- Lower-portion component attaching and detaching apparatus and use method of lower-portion component attaching and detaching apparatus22 Jan 2026US 2026/0024672 A1Hitachi GE Vernova Nuclear Energy, Ltd.
Most cited
By later US patents
- Method for repairing boiling water reactor shrouds41US 5,402,570 AMPR Associates, Inc. · 1995
- Undervessel arrangement40US 4,585,611 AGeneral Electric Company · 1986
- Apparatus for performing jet pump riser pipe repairs32US 6,053,652 AGeneral Electric Company · 2000
- Integral head rig, head area cable tray and missile shield for pressurized water reactor31US 5,715,288 ACombustion Engineering, Inc. · 1998
- Pipe clamp30US 7,798,535 B2Westinghouse Electric Corp. · 2010