G21D 1/04
Pumping arrangements
Official title: Pumping arrangements (within the reactor pressure vessel G21C15/24; electrodynamic pumps H02K44/02)
G21D1/04 (Pumping arrangements) appears on 59 US grants and 57 published applications in this corpus.
Search patents in G21D- Granted patents
- 59
- Published applications
- 57
- Assignees
- 58
- Inventors
- 178
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 4 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 4 | 0 |
| 1981 | 4 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 2 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 2 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 3 |
| 2013 | 0 | 4 |
| 2014 | 2 | 1 |
| 2015 | 1 | 4 |
| 2016 | 1 | 7 |
| 2017 | 4 | 3 |
| 2018 | 8 | 9 |
| 2019 | 4 | 4 |
| 2020 | 5 | 6 |
| 2021 | 6 | 0 |
| 2022 | 0 | 3 |
| 2023 | 1 | 2 |
| 2024 | 4 | 1 |
| 2025 | 1 | 1 |
| 2026 | 1 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Canned rotodynamic flow machine for a molten salt nuclear reactor and an active magnetic bearing for use in a flow machine for a molten salt nuclear reactor12 May 2026US 12,624,698 B2Copenhagen Atomics A/S
- Hydrogenation system for a pressurized water reactor4 Mar 2025US 12,243,659 B2Framatome
- Compact reactor with horizontal steam generators and pressurizer6 Aug 2024US 12,057,240 B2Invap S.E.
- Canned rotodynamic flow machine for a molten salt nuclear reactor and an active magnetic bearing for use in a flow machine for a molten salt nuclear reactor21 May 2024US 11,990,815 B2Copenhagen Atomics A/S
- Condensate system for recuperating energy from a nuclear power plant14 May 2024US 11,984,234 B2Joint-Stock Company “Atomenergoproekt”
- Electronuclear cogeneration installation with light water reactor (LWR) using a thermal storage cycle connected to a heat network and arranged thermally in parallel with the conversion cycle of the reactor8 Oct 2026US 2026/0311902 A1Commissariat A L' Energie Atomique Et Aux Energies Alternatives
- Canned Rotodynamic Flow Machine For A Molten Salt Nuclear Reactor And An Active Magnetic Bearing For Use In A Flow Machine For A Molten Salt Nuclear Reactor20 Aug 2026US 2026/0243262 A1Copenhagen Atomics A/S
- Hybrid power generation system22 Jan 2026US 2026/0024674 A1Holtec International
- Electromagnetic pumps and methods of operating the same with improved cooling31 Jul 2025US 2025/0243852 A1GE-Hitachi Nuclear Energy Americas LLC
- Canned Rotodynamic Flow Machine For A Molten Salt Nuclear Reactor And An Active Magnetic Bearing For Use In A Flow Machine For A Molten Salt Nuclear Reactor15 Aug 2024US 2024/0275257 A1Copenhagen Atomics A/S
Most cited
By later US patents
- Screen for inlet opening of a pump24US 5,759,398 ASulzer Thermtec AG · 1998
- Nuclear power plant feedwater controller design19US 4,478,783 AThe Babcock & Wilcox Company · 1984
- Pressurized water-cooled reactor system18US 4,038,134 ASiemens Aktiengesellschaft · 1977
- Nuclear power installations17US 4,048,012 ANuclear Power Company (Whetstone) Limited · 1977
- Direct heat exchanger for molten chloride fast reactor14US 11,145,424 B2TerraPower, LLC · 2021