B01D 47/024
By impinging the gas to be cleaned essentially in a perpendicular direction
Official title: {by impinging the gas to be cleaned essentially in a perpendicular direction onto the liquid surface}
B01D47/024 (By impinging the gas to be cleaned essentially in a perpendicular direction) appears on 63 US grants and 48 published applications in this corpus.
Search patents in B01D- Granted patents
- 63
- Published applications
- 48
- Assignees
- 50
- Inventors
- 128
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 3 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 3 | 0 |
| 2003 | 1 | 1 |
| 2004 | 2 | 0 |
| 2005 | 2 | 5 |
| 2006 | 2 | 1 |
| 2007 | 1 | 1 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 1 |
| 2012 | 2 | 2 |
| 2013 | 0 | 0 |
| 2014 | 1 | 1 |
| 2015 | 2 | 2 |
| 2016 | 2 | 2 |
| 2017 | 0 | 4 |
| 2018 | 0 | 2 |
| 2019 | 3 | 4 |
| 2020 | 3 | 2 |
| 2021 | 2 | 4 |
| 2022 | 2 | 8 |
| 2023 | 4 | 4 |
| 2024 | 4 | 1 |
| 2025 | 4 | 0 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
- Method and apparatus for cleaning a gas43US 6,391,100 B12002
- Vacuum cleaner construction39US 4,693,734 ARexair, Inc. · 1987
- Method and apparatus for cleaning a gas39US 6,764,531 B22004
- Gasification reactor with internal gas baffling and liquid collector36US 4,778,483 ATexaco Inc. · 1988
- Method and apparatus for cleaning a gas36US 6,485,548 B12002