F22B 21/002
Involving a single upper drum
Official title: {involving a single upper drum (F22B21/36 takes precedence)}
F22B21/002 (Involving a single upper drum) appears on 12 US grants and 12 published applications in this corpus.
Search patents in F22B- Granted patents
- 12
- Published applications
- 12
- Assignees
- 9
- Inventors
- 20
- Latest grant
- 19 Sep 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 1 | 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 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 1 | 0 |
| 2010 | 1 | 2 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 2 | 3 |
| 2020 | 1 | 2 |
| 2021 | 2 | 1 |
| 2022 | 2 | 0 |
| 2023 | 1 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Vapour and liquid drum for a shell-and-tube heat exchanger27 Dec 2022US 11,536,447 B2Alfa Laval Olmi S.P.A
- Waste heat recovery boiler in producing glass beads10 May 2022US 11,326,773 B2
- Heat recovery surfaces arrangement in a recovery boiler31 Aug 2021US 11,105,499 B2Andritz Inc.
- System and methods for integration of concentrated solar steam generators to Rankine cycle power plants13 Jul 2021US 11,060,716 B2
- Fuel saving super steam boilers2 Jul 2026US 2026/0185696 A1Universal Dynamics Inovasyon Ve Teknoloji Anonim Sirketi
- System and methods for integration of concentrated solar steam generators to rankine cycle power plants23 Sep 2021US 2021/0293406 A1
- Vapour and liquid drum for a shell-and-tube heat exchanger26 Mar 2020US 2020/0096191 A1Alfa Laval Olmi S.P.A
- System and methods for integration of concentrated solar steam generators to rankine cycle power plants20 Feb 2020US 2020/0056778 A1
- Hinged baffle assembly for heat recovery steam generator19 Sep 2019US 2019/0285366 A1General Electric Company
Most cited
By later US patents
- Heat recovery steam generator9US 7,770,544 B2Victory Energy Operations LLC · 2010
- Boiler with serpentine tubes7US 5,870,976 A1999
- Natural circulation industrial boiler for steam assisted gravity drainage (SAGD) process5US 7,533,632 B2Babcock & Wilcox Canada Ltd. · 2009
- Combined sulphur burning furnace and boiler3US 4,622,921 AC-I-L Inc. · 1986