G21C 1/084
Boiling water reactors
Official title: {Boiling water reactors}
G21C1/084 (Boiling water reactors) appears on 119 US grants and 77 published applications in this corpus.
Search patents in G21C- Granted patents
- 119
- Published applications
- 77
- Assignees
- 29
- Inventors
- 267
- Latest grant
- 31 Dec 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 5 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 20 | 0 |
| 1993 | 9 | 0 |
| 1994 | 2 | 0 |
| 1995 | 5 | 0 |
| 1996 | 3 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 4 |
| 2003 | 2 | 2 |
| 2004 | 2 | 2 |
| 2005 | 3 | 1 |
| 2006 | 0 | 2 |
| 2007 | 0 | 9 |
| 2008 | 2 | 2 |
| 2009 | 1 | 4 |
| 2010 | 3 | 2 |
| 2011 | 4 | 7 |
| 2012 | 1 | 2 |
| 2013 | 6 | 2 |
| 2014 | 2 | 1 |
| 2015 | 1 | 3 |
| 2016 | 2 | 8 |
| 2017 | 5 | 4 |
| 2018 | 1 | 2 |
| 2019 | 3 | 3 |
| 2020 | 4 | 7 |
| 2021 | 3 | 4 |
| 2022 | 4 | 1 |
| 2023 | 0 | 2 |
| 2024 | 3 | 0 |
| 2025 | 0 | 3 |
By publication year. Applications have been published since 2001.
Recent patents
- Systems and methods for steam separator tie bar repair or replacement31 Dec 2024US 12,183,472 B2GE-Hitachi Nuclear Energy Americas LLC
- Use of isolation condenser and/or feedwater to limit core flow, core power, and pressure in a boiling water reactor9 Apr 2024US 11,955,248 B2GE-Hitachi Nuclear Energy Americas LLC
- Fuel assembly with outer channel including reinforced sidewall and non-reinforced sidewall30 Jan 2024US 11,887,741 B2Global Nuclear Fuel - Americas, LLC
- Passive containment cooling system for boiling water reactor and method of installation12 Jul 2022US 11,387,008 B2GE-Hitachi Nuclear Energy Americas LLC
- Predictive model construction and prediction method for radioactive metal corrosion concentration in nuclear reactor water24 May 2022US 11,342,089 B2Hitachi-GE Nuclear Energy, Ltd.
- Steam Dryer for Boiling Water-Type Reactor16 Oct 2025US 2025/0322973 A1Hitachi-GE Nuclear Energy, Ltd.
- Method for refurbishing a nuclear power plant initially comprising at least one light-water nuclear reactor (lwr), in particular a pressurised water reactor (pwr) or a boiling water reactor (bwr), with at least one integrated modular nuclear reactor (smr)18 Sep 2025US 2025/0292924 A1Commissariat A L' Energie Atomique Et Aux Energies Alternatives
- Steam-water separator and boiling-water reactor3 Apr 2025US 2025/0111956 A1Hitachi-GE Nuclear Energy, Ltd.
- Coatings and surface modifications to mitigate sic cladding during operation in light water reactors2 Nov 2023US 2023/0352199 A1Westinghouse Electric Corp.
- Light water nuclear reactor (lwr), in particular pressurized water reactor (pwr) or boiling water reactor (bwr), with a heat sink on the ground and incorporating an autonomous decay heat removal (dhr) system20 Jul 2023US 2023/0230712 A1Commissariat A L' Energie Atomique Et Aux Energies Alternatives
Most cited
By later US patents
- Boiling water reactor nuclear power plant and its construction method46US 6,810,099 B2Kabushiki Kaisha Toshiba · 2004
- Shroud repair clamp43US 5,392,322 AGeneral Electric Company · 1995
- Reactor core and method for operating nuclear reactor36US 6,925,138 B2Kabushiki Kaisha Toshiba · 2005
- Bi-level reactor including steam separators30US 5,202,084 AGeneral Electric Company · 1993
- Nuclear reactor with bi-level core27US 5,116,567 AGeneral Electric Company · 1992