G21C 9/033
By an absorbent fluid
Official title: by an absorbent fluid
G21C9/033 (By an absorbent fluid) appears on 39 US grants and 38 published applications in this corpus.
Search patents in G21C- Granted patents
- 39
- Published applications
- 38
- Assignees
- 29
- Inventors
- 92
- Latest grant
- 27 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 2 |
| 2011 | 2 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 2 |
| 2014 | 1 | 2 |
| 2015 | 2 | 1 |
| 2016 | 3 | 3 |
| 2017 | 1 | 1 |
| 2018 | 0 | 4 |
| 2019 | 2 | 0 |
| 2020 | 4 | 4 |
| 2021 | 2 | 4 |
| 2022 | 5 | 3 |
| 2023 | 2 | 2 |
| 2024 | 2 | 3 |
| 2025 | 1 | 3 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Passive chemical injection system for controlling a nuclear reaction by delivering a neutron-absorbing chemical into a containment vessel27 Jan 2026US 12,537,110 B2NuScale Power, LLC
- Reactor control device11 Nov 2025US 12,469,611 B2Rolls-Royce Smr Limited
- Controlling a power output of a nuclear reaction using chemical injection24 Sep 2024US 12,100,523 B2NuScale Power, LLC
- Controlling a power output of a nuclear reactor without using control rods28 May 2024US 11,996,208 B2NuScale Power, LLC
- Very simplified boiling water reactors for commercial electricity generation29 Aug 2023US 11,742,099 B2GE-Hitachi Nuclear Energy Americas LLC
- Temperature activated passive shutdown device for a nuclear reactor16 Jul 2026US 2026/0204443 A1Moltex Energy Ltd
- Energy source11 Sep 2025US 2025/0285776 A1Witkowitz Atomica A.S.
- Gadolinium oxide nano particles in coolant for reactivity control8 May 2025US 2025/0149193 A1Westinghouse Electric Corp.
- Nuclear reactor provided with a protection system characterized by multiple actuation phenomena30 Jan 2025US 2025/0037886 A1Newcleo Ltd
- Controlling a power output of a nuclear reaction using chemical injection5 Dec 2024US 2024/0404716 A1NuScale Power, LLC
Most cited
By later US patents
- Reactivity control system and method25US 5,130,078 AGeneral Electric Company · 1992
- Nuclear reactor23US 4,897,240 AJapan Atomic Energy Research Institute · 1990
- Modular transportable nuclear generator20US 10,229,757 B2Logos Technologies, LLC · 2019
- Passive containment cooling system for a nuclear reactor9US 11,373,769 B2GE-Hitachi Nuclear Energy Americas LLC · 2022
- Passive containment cooling system for a nuclear reactor9US 11,569,000 B2GE-Hitachi Nuclear Energy Americas LLC · 2023