F22B 1/021
With heating tubes in which flows a non-specified heating fluid
Official title: {with heating tubes in which flows a non-specified heating fluid (for nuclear reactors F22B1/023)}
F22B1/021 (With heating tubes in which flows a non-specified heating fluid) appears on 20 US grants and 18 published applications in this corpus.
Search patents in F22B- Granted patents
- 20
- Published applications
- 18
- Assignees
- 22
- Inventors
- 58
- Latest grant
- 23 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 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 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 1 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 2 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 2 |
| 2013 | 0 | 2 |
| 2014 | 0 | 1 |
| 2015 | 0 | 2 |
| 2016 | 1 | 2 |
| 2017 | 1 | 1 |
| 2018 | 2 | 1 |
| 2019 | 2 | 2 |
| 2020 | 1 | 0 |
| 2021 | 1 | 1 |
| 2022 | 0 | 0 |
| 2023 | 2 | 0 |
| 2024 | 0 | 1 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
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- Flameless steam boiler8 Sep 2020US 10,767,854 B2Zhejiang Liju Boiler Co., Ltd.
- Heat pipe unit and waste heat recovery boiler including same30 May 2024US 2024/0175639 A1Doosan Enerbility Co., Ltd.
- Heat exchanger, such as for a solar power plant9 Dec 2021US 2021/0381687 A1Aalborg Csp A/S
- Flameless Steam Boiler12 Sep 2019US 2019/0277490 A1Zhejiang Liju Boiler Co., Ltd.
- Device for Converting a Liquid to a Vapour11 Apr 2019US 2019/0107277 A1Commissariat A L' Energie Atomique Et Aux Energies Alternatives
- Heat exchange system with a joint active fluid motion device for the charging mode and for the discharging mode and method for exchanging heat by using the heat exchange system16 Aug 2018US 2018/0230859 A1Siemens Aktiengesellschaft
Most cited
By later US patents
- Tube and shell heat exchanger with annular distributor61US 4,539,940 A1985
- Bayonet tube heat exchanger15US 4,431,049 AToyo Engineering Corporation · 1984
- Waste heat recovery from high temperature reaction effluents13US 4,074,660 AThe Lummus Company · 1978
- Method and apparatus for generating vapor5US 4,429,662 ATokyo Shibaura Denki Kabushiki Kaisha · 1984
- Rotary heat exchange apparatus provided with a spherically coiled heat transfer tube4US 4,377,202 AFuji Kosan Kabushiki Kaisha · 1983