F22B 37/00
Component parts or details of steam boilers
F22B37/00 (Component parts or details of steam boilers) appears on 2,264 US grants and 1,448 published applications in this corpus.
Search patents in F22B- Granted patents
- 2,264
- Published applications
- 1,448
- Assignees
- 846
- Inventors
- 4,290
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 28 | 0 |
| 1977 | 38 | 0 |
| 1978 | 28 | 0 |
| 1979 | 17 | 0 |
| 1980 | 48 | 0 |
| 1981 | 55 | 0 |
| 1982 | 32 | 0 |
| 1983 | 37 | 0 |
| 1984 | 53 | 0 |
| 1985 | 56 | 0 |
| 1986 | 69 | 0 |
| 1987 | 105 | 0 |
| 1988 | 79 | 0 |
| 1989 | 65 | 0 |
| 1990 | 55 | 0 |
| 1991 | 51 | 0 |
| 1992 | 47 | 0 |
| 1993 | 34 | 0 |
| 1994 | 44 | 0 |
| 1995 | 19 | 0 |
| 1996 | 43 | 0 |
| 1997 | 22 | 0 |
| 1998 | 44 | 0 |
| 1999 | 25 | 0 |
| 2000 | 35 | 0 |
| 2001 | 33 | 5 |
| 2002 | 23 | 12 |
| 2003 | 22 | 18 |
| 2004 | 20 | 23 |
| 2005 | 13 | 17 |
| 2006 | 15 | 37 |
| 2007 | 18 | 34 |
| 2008 | 17 | 54 |
| 2009 | 20 | 71 |
| 2010 | 35 | 77 |
| 2011 | 42 | 84 |
| 2012 | 44 | 90 |
| 2013 | 53 | 98 |
| 2014 | 71 | 90 |
| 2015 | 54 | 73 |
| 2016 | 73 | 80 |
| 2017 | 61 | 80 |
| 2018 | 68 | 78 |
| 2019 | 90 | 83 |
| 2020 | 65 | 72 |
| 2021 | 76 | 70 |
| 2022 | 59 | 65 |
| 2023 | 59 | 54 |
| 2024 | 50 | 41 |
| 2025 | 41 | 24 |
| 2026 | 13 | 18 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F22B 37/02Applicable to more than one kind or type of steam boiler1,755
- F22B 37/002Component parts or details of steam boilers: specially adapted for nuclear steam412
- F22B 37/008Adaptations for flue-gas purification in steam generators63
- F22B 37/62Component parts or details of steam boilers: specially adapted for steam boilers57
- F22B 37/78Adaptations or mounting of level indicators45
- F22B 37/001Steam generators built-up from pre-fabricated elements22
- F22B 37/60Component parts or details of steam boilers: specially adapted for steam boilers11
- F22B 37/76Adaptations or mounting of devices for observing existence or direction of fluid2
Recent patents
- Method of pre-operational cleaning of water and steam systems in combined cycle power plants and combined cycle power plant arranged therefor25 Aug 2026US 12,716,366 B2GE Vernova Infrastructure Technology LLC
- Stress relieving attachment of tube to tubesheet, such as in a pressure vessel shell of a nuclear reactor power system7 Jul 2026US 12,674,576 B2NuScale Power, LLC
- Boiler tube insert and boiler tubes having inserts2 Jun 2026US 12,644,594 B2Cleaver-Brooks, Inc.
- Electronic cooking apparatus having steam supply device26 May 2026US 12,638,190 B2LG Electronics Inc.
- Heat exchanger baffles and methods for manufacturing the same19 May 2026US 12,631,409 B2Bradford White Corporation
- Steam generation unit using a heat exchanger1 Oct 2026US 2026/0298463 A1Trane International Inc.
- Stress Relieving Attachment Of Tube To Tubesheet, Such As In A Pressure Vessel Shell Of A Nuclear Reactor Power System1 Oct 2026US 2026/0298464 A1NuScale Power, LLC
- Steam generation system10 Sep 2026US 2026/0266455 A1Hydram Research
- Moisture separation heater module and method for installing moisture separation heater3 Sep 2026US 2026/0258940 A1Mitsubishi Heavy Industries, Ltd.
- Load adjustable electrode steam boiler27 Aug 2026US 2026/0251295 A1Fangkuai Boiler Co., Ltd.
Most cited
By later US patents
- Flexible cable243US 5,174,164 AWestinghouse Electric Corp. · 1992
- Cellulosic fibrous structures having at least three regions distinguished by intensive properties235US 5,277,761 AThe Procter & Gamble Company · 1994
- Soot chaser142US 4,869,209 AEngineering Controls, Inc. · 1989
- Cellulosic fibrous structures having at least three regions distinguished by intensive properties115US 5,804,281 AThe Proctor & Gamble Company · 1998
- Drone for inspection of enclosed space and method thereof113US 8,874,283 B1United Dynamics Advanced Technologies Corporation · 2014