G21C 9/06
Means for preventing accumulation of explosives gases
Official title: Means for preventing accumulation of explosives gases, e.g. recombiners
G21C9/06 (Means for preventing accumulation of explosives gases) appears on 40 US grants and 39 published applications in this corpus.
Search patents in G21C- Granted patents
- 40
- Published applications
- 39
- Assignees
- 28
- Inventors
- 110
- Latest grant
- 7 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 3 | 3 |
| 2003 | 1 | 2 |
| 2004 | 0 | 0 |
| 2005 | 3 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 2 |
| 2010 | 0 | 1 |
| 2011 | 0 | 2 |
| 2012 | 2 | 3 |
| 2013 | 1 | 4 |
| 2014 | 3 | 1 |
| 2015 | 1 | 6 |
| 2016 | 3 | 3 |
| 2017 | 1 | 3 |
| 2018 | 1 | 1 |
| 2019 | 5 | 2 |
| 2020 | 3 | 1 |
| 2021 | 0 | 2 |
| 2022 | 1 | 0 |
| 2023 | 0 | 2 |
| 2024 | 1 | 0 |
| 2025 | 2 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Systems and methods for reducing noncondensable gas buildup in coolant systems7 Oct 2025US 12,437,890 B2GE-Hitachi Nuclear Energy Americas LLC
- Nuclear power plant22 Apr 2025US 12,283,384 B2
- Vortex driven passive hydrogen recombiner and igniter5 Mar 2024US 11,923,099 B2Westinghouse Electric Corp.
- Passive containment cooling system including multiple condensing stages and catalyst29 Mar 2022US 11,289,214 B2GE-Hitachi Nuclear Energy Americas LLC
- Vortex driven passive hydrogen recombiner and igniter17 Nov 2020US 10,839,966 B2Westinghouse Electric Corp.
- Systems and methods for reducing noncondensable gas buildup in coolant systems12 Feb 2026US 2026/0045379 A1GE-Hitachi Nuclear Energy Americas LLC
- Systems and methods for reducing noncondensable gas buildup in coolant systems7 Dec 2023US 2023/0395271 A1GE-Hitachi Nuclear Energy Americas LLC
- Nuclear power plant9 Mar 2023US 2023/0070817 A1
- Method for Ensuring Hydrogen Explosion Safety at Nuclear Power Plant22 Jul 2021US 2021/0225534 A1Joint Stock Company “Rosenergoatom”
- Vortex driven passive hydrogen recombiner and igniter18 Mar 2021US 2021/0082588 A1Westinghouse Electric Corp.
Most cited
By later US patents
- Device for the recombination of hydrogen and oxygen and nuclear power plant using the device13US 5,301,217 ASiemens Aktiengesellschaft · 1994
- Process and device for recombining and/or igniting hydrogen contained in an H.sub.2 -air-steam mixture, preferably for nuclear power stations11US 5,592,521 ASiemens Aktiengesellschaft · 1997
- Systems, methods, and filters for radioactive material capture8US 10,176,901 B2GE-Hitachi Nuclear Energy Americas LLC · 2019
- Recombination device and method for catalytically recombining hydrogen and/or carbon monoxide with oxygen in a gaseous mixture7US 6,942,846 B1Framatome ANP GmbH · 2005
- Device for passively inerting the gas mixture in the reactor containment of a nuclear power plant6US 5,495,511 AGesellschaft fur Anlagen- und Reaktorsicherheit (GRS) mbH · 1996