B01D 19/0057
The centrifugal movement being caused by a vortex
Official title: {the centrifugal movement being caused by a vortex, e.g. using a cyclone, or by a tangential inlet}
B01D19/0057 (The centrifugal movement being caused by a vortex) appears on 566 US grants and 505 published applications in this corpus.
Search patents in B01D- Granted patents
- 566
- Published applications
- 505
- Assignees
- 407
- Inventors
- 1,130
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 4 | 0 |
| 1978 | 6 | 0 |
| 1979 | 3 | 0 |
| 1980 | 2 | 0 |
| 1981 | 7 | 0 |
| 1982 | 7 | 0 |
| 1983 | 8 | 0 |
| 1984 | 8 | 0 |
| 1985 | 6 | 0 |
| 1986 | 4 | 0 |
| 1987 | 7 | 0 |
| 1988 | 3 | 0 |
| 1989 | 5 | 0 |
| 1990 | 5 | 0 |
| 1991 | 3 | 0 |
| 1992 | 4 | 0 |
| 1993 | 4 | 0 |
| 1994 | 2 | 0 |
| 1995 | 4 | 0 |
| 1996 | 8 | 0 |
| 1997 | 6 | 0 |
| 1998 | 6 | 0 |
| 1999 | 7 | 0 |
| 2000 | 8 | 0 |
| 2001 | 9 | 3 |
| 2002 | 11 | 5 |
| 2003 | 6 | 11 |
| 2004 | 7 | 9 |
| 2005 | 9 | 12 |
| 2006 | 6 | 10 |
| 2007 | 5 | 11 |
| 2008 | 8 | 11 |
| 2009 | 13 | 22 |
| 2010 | 14 | 11 |
| 2011 | 12 | 11 |
| 2012 | 11 | 18 |
| 2013 | 15 | 31 |
| 2014 | 16 | 19 |
| 2015 | 19 | 26 |
| 2016 | 13 | 29 |
| 2017 | 37 | 39 |
| 2018 | 18 | 22 |
| 2019 | 28 | 29 |
| 2020 | 33 | 41 |
| 2021 | 37 | 25 |
| 2022 | 27 | 32 |
| 2023 | 31 | 26 |
| 2024 | 23 | 19 |
| 2025 | 16 | 20 |
| 2026 | 12 | 13 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
- Apparatus and method for treatment of hydraulic fracturing fluid during hydraulic fracturing149US 10,478,753 B1Ch International Equipment Ltd. · 2019
- Swirling flow bubble trap120US 3,996,027 ABaxter Laboratories, Inc. · 1976
- Cyclone inlet flow diverter for separator vessels114US 4,778,494 AAtlantic Richfield Company · 1988
- Downhole gas-liquid separator for wells107US 5,431,228 AAtlantic Richfield Company · 1995
- Separator systems for well production fluids102US 5,570,744 AAtlantic Richfield Company · 1996