F22B 1/023
With heating tubes for nuclear reactors, as long as they are not
Official title: {with heating tubes for nuclear reactors, as long as they are not classified according to a specified heating fluid, in another group}
F22B1/023 (With heating tubes for nuclear reactors, as long as they are not) appears on 140 US grants and 102 published applications in this corpus.
Search patents in F22B- Granted patents
- 140
- Published applications
- 102
- Assignees
- 66
- Inventors
- 311
- Latest grant
- 29 Oct 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 10 | 0 |
| 1977 | 4 | 0 |
| 1978 | 3 | 0 |
| 1979 | 5 | 0 |
| 1980 | 9 | 0 |
| 1981 | 2 | 0 |
| 1982 | 6 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 5 | 0 |
| 1988 | 3 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 3 | 0 |
| 1993 | 2 | 0 |
| 1994 | 4 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 4 |
| 2006 | 1 | 2 |
| 2007 | 1 | 0 |
| 2008 | 2 | 1 |
| 2009 | 0 | 5 |
| 2010 | 0 | 2 |
| 2011 | 1 | 5 |
| 2012 | 1 | 9 |
| 2013 | 1 | 11 |
| 2014 | 3 | 8 |
| 2015 | 11 | 8 |
| 2016 | 8 | 11 |
| 2017 | 6 | 6 |
| 2018 | 8 | 4 |
| 2019 | 5 | 7 |
| 2020 | 4 | 9 |
| 2021 | 5 | 2 |
| 2022 | 3 | 0 |
| 2023 | 3 | 3 |
| 2024 | 4 | 2 |
| 2025 | 0 | 1 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Helical baffle for once-through steam generator29 Oct 2024US 12,130,009 B2BWXT Canada Ltd.
- Compact reactor with horizontal steam generators and pressurizer6 Aug 2024US 12,057,240 B2Invap S.E.
- Integral reactor pressure vessel tube sheet16 Jul 2024US 12,040,097 B2NuScale Power, LLC
- System and method of cleaning a heat exchanger18 Jun 2024US 12,011,805 B2Candu Energy Inc.
- Method of disassembling steam generator5 Dec 2023US 11,835,226 B2Mitsubishi Heavy Industries, Ltd.
- Hot steam generator and system for printing a substrate20 Aug 2026US 2026/0243011 A1Canon Kabushiki Kaisha
- Approach temperature steam generator control16 Apr 2026US 2026/0104163 A1NuScale Power, LLC
- Pair of support plates for tubes in a reactor vessel2 Oct 2025US 2025/0305674 A1L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Helical Baffle for Once-Through Steam Generator12 Dec 2024US 2024/0410566 A1BWXT Canada Ltd.
- Small modular nuclear reactor integrated energy systems for in-situ, on-demand hydrogen generation and/or the production of sodium formate18 Apr 2024US 2024/0124985 A1
Most cited
By later US patents
- Device to reduce local heat flux through a heat exchanger tube29US 4,191,246 ACombustion Engineering, Inc. · 1980
- Steam generator with pre-heating20US 4,357,908 AFramatome · 1982
- Heat exchanger18US 4,058,161 A1977
- Procedure for complete replacement of a steam generator of a pressurized water nuclear reactor16US 4,847,038 AFramatome · 1989
- Orificing of steam separators for uniform flow distribution in riser area of steam generators15US 4,318,368 ACombustion Engineering, Inc. · 1982