F23J 15/04
Using washing fluids
Official title: using washing fluids {(scrubbers for removing solids only F23J15/022)}
F23J15/04 (Using washing fluids) appears on 405 US grants and 425 published applications in this corpus.
Search patents in F23J- Granted patents
- 405
- Published applications
- 425
- Assignees
- 256
- Inventors
- 1,032
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 4 | 0 |
| 1980 | 4 | 0 |
| 1981 | 8 | 0 |
| 1982 | 5 | 0 |
| 1983 | 1 | 0 |
| 1984 | 8 | 0 |
| 1985 | 5 | 0 |
| 1986 | 7 | 0 |
| 1987 | 5 | 0 |
| 1988 | 4 | 0 |
| 1989 | 3 | 0 |
| 1990 | 8 | 0 |
| 1991 | 3 | 0 |
| 1992 | 3 | 0 |
| 1993 | 3 | 0 |
| 1994 | 3 | 0 |
| 1995 | 7 | 0 |
| 1996 | 4 | 0 |
| 1997 | 6 | 0 |
| 1998 | 3 | 0 |
| 1999 | 2 | 0 |
| 2000 | 5 | 0 |
| 2001 | 6 | 3 |
| 2002 | 4 | 3 |
| 2003 | 4 | 7 |
| 2004 | 2 | 7 |
| 2005 | 2 | 8 |
| 2006 | 5 | 11 |
| 2007 | 3 | 5 |
| 2008 | 2 | 13 |
| 2009 | 8 | 8 |
| 2010 | 10 | 18 |
| 2011 | 11 | 38 |
| 2012 | 16 | 22 |
| 2013 | 18 | 32 |
| 2014 | 29 | 34 |
| 2015 | 19 | 27 |
| 2016 | 19 | 24 |
| 2017 | 25 | 30 |
| 2018 | 23 | 19 |
| 2019 | 19 | 24 |
| 2020 | 19 | 12 |
| 2021 | 10 | 14 |
| 2022 | 11 | 14 |
| 2023 | 6 | 19 |
| 2024 | 5 | 21 |
| 2025 | 11 | 9 |
| 2026 | 13 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Thermal processing apparatus with a heating device operated with hydrogen, sustainable cremation, free of CO215 Sep 2026US 12,736,220 B2Albert Hesse Familienstiftung
- Pollutant capturer and mobilizer8 Sep 2026US 12,729,640 B2
- Flue gas purification system for hazardous waste incineration and purification method25 Aug 2026US 12,714,969 B2Chongqing Greening Environmental Protection Co. Ltd
- Furnace operation method11 Aug 2026US 12,703,652 B2American Air Liquide, Inc.
- Separating carbon dioxide and hydrogen from a multicomponent gaseous stream7 Jul 2026US 12,674,107 B2Saudi Arabian Oil Company
- Process and apparatus for separating carbon dioxide from a flue gas stream8 Oct 2026US 2026/0306999 A1L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Acidic gas removal from a post combustion process stream9 Jul 2026US 2026/0192241 A1Dalian Institute of Chemical Physics, Chinese Academy of Sciences
- Systems and methods for removal of mercury and/or hydrochloric acid from gas streams using calcium-containing particles2 Jul 2026US 2026/0183699 A1Graymont (PA) Inc.
- Air purifier for decomposing smoke through water filtration27 Nov 2025US 2025/0360448 A1Shenzhen Blue Whale Future Technology Co., Ltd
- Thermal oxidization systems and methods with greenhouse gas capture20 Nov 2025US 2025/0354687 A1
Most cited
By later US patents
- Flue gas control system of coal combustion boiler and operating method thereof122US 8,071,060 B2Mitsubishi Heavy Industries, Ltd. · 2011
- Waste material incineration system and method118US 4,440,098 AEnergy Recovery Group, Inc. · 1984
- Reducing mercury emissions from the burning of coal97US 7,776,301 B2NOx II, Ltd. · 2010
- Condensation cleaning of particulate laden gases90US 4,284,609 AQuad Environmental Technologies Corp. · 1981
- Purification works for thermal power plant86US 7,559,977 B2Sargas AS · 2009