F22B 1/02
Methods of steam generation characterised by form of heating method: by exploitation
Official title: by exploitation of the heat content of hot heat carriers
F22B1/02 (Methods of steam generation characterised by form of heating method: by exploitation) appears on 1,258 US grants and 1,156 published applications in this corpus.
Search patents in F22B- Granted patents
- 1,258
- Published applications
- 1,156
- Assignees
- 677
- Inventors
- 2,873
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 23 | 0 |
| 1977 | 18 | 0 |
| 1978 | 22 | 0 |
| 1979 | 18 | 0 |
| 1980 | 22 | 0 |
| 1981 | 26 | 0 |
| 1982 | 22 | 0 |
| 1983 | 19 | 0 |
| 1984 | 36 | 0 |
| 1985 | 32 | 0 |
| 1986 | 16 | 0 |
| 1987 | 29 | 0 |
| 1988 | 18 | 0 |
| 1989 | 15 | 0 |
| 1990 | 14 | 0 |
| 1991 | 9 | 0 |
| 1992 | 10 | 0 |
| 1993 | 7 | 0 |
| 1994 | 10 | 0 |
| 1995 | 10 | 0 |
| 1996 | 10 | 0 |
| 1997 | 7 | 0 |
| 1998 | 14 | 0 |
| 1999 | 6 | 0 |
| 2000 | 9 | 0 |
| 2001 | 13 | 4 |
| 2002 | 12 | 7 |
| 2003 | 8 | 10 |
| 2004 | 5 | 13 |
| 2005 | 14 | 16 |
| 2006 | 18 | 31 |
| 2007 | 11 | 27 |
| 2008 | 15 | 27 |
| 2009 | 15 | 29 |
| 2010 | 16 | 42 |
| 2011 | 19 | 57 |
| 2012 | 18 | 91 |
| 2013 | 37 | 88 |
| 2014 | 50 | 96 |
| 2015 | 60 | 90 |
| 2016 | 62 | 77 |
| 2017 | 67 | 44 |
| 2018 | 56 | 55 |
| 2019 | 60 | 63 |
| 2020 | 54 | 52 |
| 2021 | 57 | 48 |
| 2022 | 52 | 43 |
| 2023 | 43 | 37 |
| 2024 | 30 | 53 |
| 2025 | 26 | 33 |
| 2026 | 18 | 23 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F22B 1/18The heat carrier being a hot gas788
- F22B 1/023With heating tubes for nuclear reactors, as long as they are not140
- F22B 1/16The heat carrier being hot liquid or hot vapour135
- F22B 1/06The heat carrier being molten106
- F22B 1/08The heat carrier being steam48
- F22B 1/028Steam generation using heat accumulators30
- F22B 1/021With heating tubes in which flows a non-specified heating fluid20
- F22B 1/04The heat carrier being hot slag, hot residues, or heated blocks15
Recent patents
- Induced drafting in process heaters15 Sep 2026US 12,736,215 B2Saudi Arabian Oil Company
- Heat integration with aqueous heat transfer medium for chemical recycling facilities25 Aug 2026US 12,715,027 B2ExxonMobil Product Solutions Company
- Generate hydrogen as fuel at natural gas processing plant to reduce carbon dioxide emissions11 Aug 2026US 12,704,082 B2Saudi Arabian Oil Company
- Water processing system and method4 Aug 2026US 12,698,694 B2
- Heat pump systems and methods14 Jul 2026US 12,680,734 B2AtmosZero, Inc.
- Steam generation unit using a heat exchanger1 Oct 2026US 2026/0298463 A1Trane International Inc.
- Non-condensable gas reinjection system24 Sep 2026US 2026/0287212 A1Fuji Electric Co., Ltd.
- Heat Pump Systems and Methods17 Sep 2026US 2026/0276247 A1AtmosZero, Inc.
- Hot steam generator and system for printing a substrate20 Aug 2026US 2026/0243011 A1Canon Kabushiki Kaisha
- Process for controlling heat transfer and generating power6 Aug 2026US 2026/0225974 A1Uop LLC
Most cited
By later US patents
- Mobile congeneration apparatus including inventive valve and boiler216US 5,517,822 AApplied Energy Systems of Oklahoma, Inc. · 1996
- Wind-powered electricity generating system including wind energy storage195US 5,384,489 A1995
- Outlet silencer and heat recovery structures for gas turbine177US 6,851,514 B2Air Handling Engineering Ltd. · 2005
- Method and system for maintaining operating temperatures in a molten salt co-generating unit166US 4,438,630 ACombustion Engineering, Inc. · 1984
- Boiler system useful in mobile cogeneration apparatus158US 5,626,103 AApplied Energy Systems of Oklahoma, Inc. · 1997