B01F 23/21
By introducing liquids into gaseous media
Official title: by introducing liquids into gaseous media
B01F23/21 (By introducing liquids into gaseous media) appears on 1,123 US grants and 1,160 published applications in this corpus.
Search patents in B01F- Granted patents
- 1,123
- Published applications
- 1,160
- Assignees
- 601
- Inventors
- 2,371
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 5 | 0 |
| 1982 | 2 | 0 |
| 1983 | 3 | 0 |
| 1984 | 4 | 0 |
| 1985 | 5 | 0 |
| 1986 | 4 | 0 |
| 1987 | 9 | 0 |
| 1988 | 7 | 0 |
| 1989 | 5 | 0 |
| 1990 | 3 | 0 |
| 1991 | 6 | 0 |
| 1992 | 5 | 0 |
| 1993 | 5 | 0 |
| 1994 | 5 | 0 |
| 1995 | 9 | 0 |
| 1996 | 7 | 0 |
| 1997 | 23 | 0 |
| 1998 | 11 | 0 |
| 1999 | 9 | 0 |
| 2000 | 12 | 0 |
| 2001 | 10 | 3 |
| 2002 | 12 | 18 |
| 2003 | 9 | 16 |
| 2004 | 12 | 9 |
| 2005 | 7 | 11 |
| 2006 | 6 | 11 |
| 2007 | 9 | 13 |
| 2008 | 7 | 19 |
| 2009 | 7 | 21 |
| 2010 | 12 | 29 |
| 2011 | 16 | 36 |
| 2012 | 18 | 24 |
| 2013 | 23 | 64 |
| 2014 | 34 | 63 |
| 2015 | 54 | 105 |
| 2016 | 91 | 107 |
| 2017 | 97 | 105 |
| 2018 | 93 | 78 |
| 2019 | 101 | 71 |
| 2020 | 72 | 83 |
| 2021 | 78 | 69 |
| 2022 | 52 | 53 |
| 2023 | 62 | 52 |
| 2024 | 35 | 42 |
| 2025 | 42 | 38 |
| 2026 | 18 | 20 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Ultrasonic atomizing device22 Sep 2026US 12,741,251 B2TMEIC Corporation
- Post-processing system15 Sep 2026US 12,736,003 B2Isuzu Motors Limited
- Mixers for exhaust aftertreatment systems25 Aug 2026US 12,716,377 B2Cummins Emission Solutions Inc.
- Decomposition chamber with guide swirl mixer11 Aug 2026US 12,704,086 B2Cummins Emission Solutions Inc.
- Humidifier11 Aug 2026US 12,704,275 B2LG Electronics Inc.
- Evaporator for ambient water bodies, and related system and method8 Oct 2026US 2026/0306964 A1Resource West, Inc.
- Removal of atmospheric pollutants from gas, related apparatus, processes and uses thereof24 Sep 2026US 2026/0284589 A1Intelligent Abatement, LLC
- Two Stage Box Mixer20 Aug 2026US 2026/0241349 A1Tenneco Automotive Operating Company Inc.
- Atomizing Container and Atomizing Apparatus13 Aug 2026US 2026/0233242 A1Arizona Air-Scent, Inc.
- Decomposition chamber for aftertreatment system13 Aug 2026US 2026/0235063 A1Cummins Emission Solutions Inc.
Most cited
By later US patents
- Delivery of aerosol medications for inspiration598US 5,404,871 AAradigm Corporation · 1995
- Ultrasonic atomizer334US 5,063,922 AEtala-Hameen Keuhkovammayhdistys R.Y. · 1991
- Automatic aerosol medication delivery system and methods279US 5,394,866 AAradigm Corporation · 1995
- Method for releasing controlled amount of aerosol medication273US 5,608,647 AAradigm Corporation · 1997
- Method and apparatus for releasing a controlled amount of aerosol medication over a selectable time interval230US 5,755,218 AAradigm Corporation · 1998