B01D 45/16
Generated by the winding course of the gas stream , the centrifugal
Official title: generated by the winding course of the gas stream {, the centrifugal forces being generated solely or partly by mechanical means, e.g. fixed swirl vanes}
B01D45/16 (Generated by the winding course of the gas stream , the centrifugal) appears on 1,371 US grants and 1,444 published applications in this corpus.
Search patents in B01D- Granted patents
- 1,371
- Published applications
- 1,444
- Assignees
- 773
- Inventors
- 2,744
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 15 | 0 |
| 1977 | 9 | 0 |
| 1978 | 11 | 0 |
| 1979 | 14 | 0 |
| 1980 | 18 | 0 |
| 1981 | 13 | 0 |
| 1982 | 7 | 0 |
| 1983 | 8 | 0 |
| 1984 | 5 | 0 |
| 1985 | 5 | 0 |
| 1986 | 8 | 0 |
| 1987 | 7 | 0 |
| 1988 | 6 | 0 |
| 1989 | 8 | 0 |
| 1990 | 8 | 0 |
| 1991 | 4 | 0 |
| 1992 | 5 | 0 |
| 1993 | 7 | 0 |
| 1994 | 5 | 0 |
| 1995 | 4 | 0 |
| 1996 | 6 | 0 |
| 1997 | 6 | 0 |
| 1998 | 12 | 0 |
| 1999 | 8 | 0 |
| 2000 | 14 | 0 |
| 2001 | 19 | 1 |
| 2002 | 24 | 25 |
| 2003 | 23 | 26 |
| 2004 | 20 | 22 |
| 2005 | 22 | 41 |
| 2006 | 15 | 26 |
| 2007 | 18 | 31 |
| 2008 | 18 | 33 |
| 2009 | 20 | 28 |
| 2010 | 32 | 34 |
| 2011 | 34 | 33 |
| 2012 | 28 | 43 |
| 2013 | 26 | 48 |
| 2014 | 37 | 61 |
| 2015 | 49 | 78 |
| 2016 | 54 | 89 |
| 2017 | 76 | 82 |
| 2018 | 51 | 90 |
| 2019 | 88 | 131 |
| 2020 | 115 | 105 |
| 2021 | 89 | 84 |
| 2022 | 92 | 81 |
| 2023 | 61 | 74 |
| 2024 | 66 | 69 |
| 2025 | 53 | 59 |
| 2026 | 28 | 50 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
- Upright vacuum cleaner with cyclonic air flow295US 6,782,585 B1Fantom Technologies Inc. · 2004
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- Apparatus and method for separating particles from a cyclonic fluid flow utilizing a movable access member associated with a cyclonic separator234US 6,231,645 B1G. B. D. Corp. · 2001
- Cyclone dust collector233US 6,746,500 B1LG Electronics Inc. · 2004
- Apparatus and method for separating particles from a cyclonic fluid flow228US 6,221,134 B1G. B. D. Corp. · 2001