B01D 47/085
With nozzles which are partly immersed in the washing fluid
Official title: {with nozzles which are partly immersed in the washing fluid}
B01D47/085 (With nozzles which are partly immersed in the washing fluid) appears on 21 US grants and 19 published applications in this corpus.
Search patents in B01D- Granted patents
- 21
- Published applications
- 19
- Assignees
- 8
- Inventors
- 31
- Latest grant
- 11 Mar 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 1 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 10 |
| 2007 | 0 | 0 |
| 2008 | 1 | 1 |
| 2009 | 4 | 0 |
| 2010 | 0 | 0 |
| 2011 | 1 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 1 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
| 2024 | 0 | 0 |
| 2025 | 1 | 2 |
By publication year. Applications have been published since 2001.
Recent patents
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- Wet type air cleaner22 Sep 2009US 7,591,885 B2Daewoo Electronics Co., Ltd.
- Wet type air cleaner4 Aug 2009US 7,569,102 B2Daewoo Electronics Co., Ltd.
- Air cleaning apparatus with a moist filter13 Feb 2025US 2025/0050262 A1Watervation Co., Ltd.
- Air cleaning apparatus with a moist filter13 Feb 2025US 2025/0050263 A1Watervation Co., Ltd.
- Method and apparatus for centrifugal separation of particles from a gas flow21 Sep 2023US 2023/0294108 A1Grimaldi Development AB
- Air cleaning apparatus with a moist filter29 Nov 2018US 2018/0339258 A1Watervation Co., Ltd.
- Apparatus for removing air contaminants1 Aug 2013US 2013/0192471 A1
Most cited
By later US patents
- Liquid sprayer51US 3,948,627 ABessam Manufacturing, Inc. · 1976
- Process and apparatus for the contact and separation of immiscible fluids47US 4,371,382 ACaribbean Properties Limited · 1983
- High temperature pollutant removal from gas streams46US 4,308,037 AInstitute of Gas Technology · 1981
- Gas scrubber42US 4,594,081 A1986
- Method and apparatus for cleaning a gas39US 6,764,531 B22004