F25B 2333/00
Details of boilers
Official title: Details of boilers; Analysers; Rectifiers
F25B2333/00 (Details of boilers) appears on 104 US grants and 34 published applications in this corpus.
Search patents in F25B- Granted patents
- 104
- Published applications
- 34
- Assignees
- 49
- Inventors
- 174
- Latest grant
- 30 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 4 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 3 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 4 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 7 | 0 |
| 1999 | 10 | 0 |
| 2000 | 12 | 0 |
| 2001 | 11 | 2 |
| 2002 | 12 | 2 |
| 2003 | 4 | 4 |
| 2004 | 4 | 7 |
| 2005 | 4 | 6 |
| 2006 | 4 | 0 |
| 2007 | 1 | 0 |
| 2008 | 1 | 3 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 2 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 2 | 1 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
| 2021 | 0 | 2 |
| 2022 | 0 | 1 |
| 2023 | 3 | 0 |
| 2024 | 0 | 2 |
| 2025 | 2 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F25B 2333/003The generator or boiler is heated by combustion gasIndexing code60
- F25B 2333/005The generator or boiler uses electromagnetic energy in the form of microwavesIndexing code30
- F25B 2333/002The generator or boiler is heated electricallyIndexing code16
- F25B 2333/007The generator or boiler heated by heat exchangers with steam or hotIndexing code10
- F25B 2333/006The generator or boiler having a rectifierIndexing code5
- F25B 2333/001The generator or boiler having an analyserIndexing code3
- F25B 2333/004The generator or boiler uses an inert gas as pressure equalizing mediumIndexing code2
Recent patents
- Absorption chiller system with a transport membrane heat exchanger30 Sep 2025US 12,429,254 B2Scuderi Group, LLC
- Electric lithium bromide absorption air conditioning unit and energy storage refrigeration and heating system17 Jun 2025US 12,331,966 B1
- Heat pump and method of operating heat pump to control power to boiler based on expected efficiency of heat pump29 Aug 2023US 11,739,993 B2LG Electronics Inc.
- Heat pump and method for controlling operation of boiler based on temperature of fluid11 Apr 2023US 11,624,532 B2LG Electronics Inc.
- Room portable blast chiller3 Jan 2023US 11,547,023 B2Reflect Scientific Inc.
- Absorption chiller system with a transport membrane heat exchanger23 Apr 2026US 2026/0110462 A1Scuderi Group, LLC
- Absorption chiller system with a transport membrane heat exchanger30 Jan 2025US 2025/0035345 A1Scuderi Group, LLC
- Low-pressure boiling cooling system28 Nov 2024US 2024/0393020 A1Agency for Defense Development
- Absorption chiller system with a transport membrane heat exchanger22 Feb 2024US 2024/0060690 A1Scuderi Group, LLC
- Room portable blast chiller22 Sep 2022US 2022/0304196 A1Reflect Scientific Inc.
Most cited
By later US patents
- Heat engine55US 7,062,913 B2The Ohio State University · 2006
- Microturbine direct fired absorption chiller39US 6,745,574 B1Elliott Energy Systems, Inc. · 2004
- High efficiency absorption cooling and heating apparatus and method38US 5,490,398 AAirex Research and Development, Inc. · 1996
- Adsorption cooling system37US 5,333,471 ASanden Corporation · 1994
- Absorption chiller-heater30US 6,978,633 B2Yazaki Corporation · 2005