F22B 37/14
Supply mains
Official title: Supply mains, e.g. rising mains, down-comers, in connection with water tubes
F22B37/14 (Supply mains) appears on 68 US grants and 34 published applications in this corpus.
Search patents in F22B- Granted patents
- 68
- Published applications
- 34
- Assignees
- 38
- Inventors
- 150
- Latest grant
- 21 Jan 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 4 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 5 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 2 | 2 |
| 2005 | 2 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 4 |
| 2008 | 1 | 0 |
| 2009 | 1 | 1 |
| 2010 | 1 | 1 |
| 2011 | 2 | 0 |
| 2012 | 0 | 3 |
| 2013 | 1 | 2 |
| 2014 | 0 | 3 |
| 2015 | 3 | 2 |
| 2016 | 1 | 0 |
| 2017 | 0 | 2 |
| 2018 | 3 | 1 |
| 2019 | 2 | 2 |
| 2020 | 2 | 3 |
| 2021 | 3 | 3 |
| 2022 | 2 | 0 |
| 2023 | 0 | 0 |
| 2024 | 1 | 2 |
| 2025 | 1 | 2 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
- F22B 37/146Tube arrangements for ash hoppers and grates and for combustion chambers of23
- F22B 37/143Panel shaped heating surfaces built up from tubes8
- F22B 37/147Tube arrangements for cooling orifices, doors and burners6
- F22B 37/141Involving vertically-disposed water tubes5
- F22B 37/148Tube arrangements for the roofs5
- F22B 37/142Involving horizontally-or helically-disposed water tubes3
- F22B 37/145Flag-shaped panels built-up from tubes1
Recent patents
- Waste heat recovery system and method21 Jan 2025US 12,203,650 B2Samsung E&A Co., Ltd.
- Once-through heat exchanger and heat recovery steam generator including the same1 Oct 2024US 12,104,860 B2Doosan Enerbility Co., Ltd.
- Oxidative coupling of methane for olefin production22 Nov 2022US 11,505,514 B2Lummus Technology Inc.
- Support assembly for a boiler12 Apr 2022US 11,300,287 B2Valmet Technologies Oy
- Boiler construction having a boiler pressure body support system28 Dec 2021US 11,209,158 B2Sumitomo SHI FW Energia Oy
- Methods and devices for controlling steam introduction in a kiln16 Oct 2025US 2025/0320996 A1Group14 Technologies, Inc.
- Solid electric thermal storage superheated steam output system1 May 2025US 2025/0137636 A1
- Waste heat recovery system and method19 Dec 2024US 2024/0418360 A1Samsung E&A Co., Ltd.
- Once-through heat exchanger and heat recovery steam generator including the same16 May 2024US 2024/0159470 A1Doosan Enerbility Co., Ltd.
- Water-Tube Boiler with Concentric Heat-Exchange Coils with Ash-Removal System5 Aug 2021US 2021/0239312 A1
Most cited
By later US patents
- Fluidized bed heat exchanger with water cooled air distributor and dust hopper57US 4,301,771 ADorr-Oliver Incorporated · 1981
- Oxidative coupling of methane for olefin production34US 9,944,573 B2Siluria Technologies, Inc. · 2018
- Flexible assembly of once-through evaporation for horizontal heat recovery steam generator26US 6,957,630 B1ALSTOM Technology Ltd · 2005
- Oxidative coupling of methane for olefin production24US 10,407,361 B2Siluria Technologies, Inc. · 2019
- Vapor generating system having a division wall penetrating a furnace boundary wall formed in part by angularly extending fluid flow tubes13US 4,245,588 AFoster Wheeler Energy Corporation · 1981