F22B 1/00
Methods of steam generation characterised by form of heating method
F22B1/00 (Methods of steam generation characterised by form of heating method) appears on 2,509 US grants and 2,475 published applications in this corpus.
Search patents in F22B- Granted patents
- 2,509
- Published applications
- 2,475
- Assignees
- 1,273
- Inventors
- 5,147
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 32 | 0 |
| 1977 | 27 | 0 |
| 1978 | 32 | 0 |
| 1979 | 21 | 0 |
| 1980 | 30 | 0 |
| 1981 | 41 | 0 |
| 1982 | 34 | 0 |
| 1983 | 34 | 0 |
| 1984 | 53 | 0 |
| 1985 | 43 | 0 |
| 1986 | 27 | 0 |
| 1987 | 50 | 0 |
| 1988 | 30 | 0 |
| 1989 | 34 | 0 |
| 1990 | 31 | 0 |
| 1991 | 20 | 0 |
| 1992 | 18 | 0 |
| 1993 | 19 | 0 |
| 1994 | 29 | 0 |
| 1995 | 20 | 0 |
| 1996 | 16 | 0 |
| 1997 | 13 | 0 |
| 1998 | 25 | 0 |
| 1999 | 18 | 0 |
| 2000 | 20 | 0 |
| 2001 | 26 | 7 |
| 2002 | 28 | 12 |
| 2003 | 18 | 21 |
| 2004 | 13 | 26 |
| 2005 | 26 | 34 |
| 2006 | 33 | 58 |
| 2007 | 24 | 63 |
| 2008 | 24 | 78 |
| 2009 | 30 | 73 |
| 2010 | 39 | 92 |
| 2011 | 44 | 117 |
| 2012 | 49 | 148 |
| 2013 | 75 | 175 |
| 2014 | 101 | 161 |
| 2015 | 95 | 189 |
| 2016 | 110 | 184 |
| 2017 | 150 | 140 |
| 2018 | 133 | 142 |
| 2019 | 172 | 144 |
| 2020 | 128 | 110 |
| 2021 | 106 | 97 |
| 2022 | 95 | 96 |
| 2023 | 91 | 83 |
| 2024 | 74 | 111 |
| 2025 | 69 | 67 |
| 2026 | 39 | 47 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F22B 1/02Methods of steam generation characterised by form of heating method: by exploitation1,258
- F22B 1/28In boilers heated electrically880
- F22B 1/006Methods of steam generation characterised by form of heating method: using solar228
- F22B 1/22Methods of steam generation characterised by form of heating method: using combustion116
- F22B 1/003Methods of steam generation characterised by form of heating method: using combustion69
- F22B 1/20Methods of steam generation characterised by form of heating method: using heat9
Recent patents
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- Induced drafting in process heaters15 Sep 2026US 12,736,215 B2Saudi Arabian Oil Company
- Apparatus and method for microwave heating of fluids1 Sep 2026US 12,727,062 B21863815 Ontario Limited
- Heat integration with aqueous heat transfer medium for chemical recycling facilities25 Aug 2026US 12,715,027 B2ExxonMobil Product Solutions Company
- Electronic inhalation device including a transmitter controllable by a receiver11 Aug 2026US 12,702,768 B2Nicoventures Trading Limited
- 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.
- Steam generation system10 Sep 2026US 2026/0266455 A1Hydram Research
- Load adjustable electrode steam boiler27 Aug 2026US 2026/0251295 A1Fangkuai Boiler Co., Ltd.
Most cited
By later US patents
- Aerosol electronic cigarette597US 8,365,742 B2Ruyan Investment (Holdings) Limited · 2013
- Aerosol electronic cigarette505US 8,156,944 B2Ruyan Investments (Holdings) Limited · 2012
- Thermally-enhanced oil recovery method and apparatus399US 4,694,907 ACarbotek, Inc. · 1987
- Electronic cigarette392US 8,375,957 B2Ruyan Investment (Holdings) Limited · 2013
- Mobile congeneration apparatus including inventive valve and boiler216US 5,517,822 AApplied Energy Systems of Oklahoma, Inc. · 1996