B01D 45/06
By reversal of direction of flow
Official title: by reversal of direction of flow
B01D45/06 (By reversal of direction of flow) appears on 308 US grants and 284 published applications in this corpus.
Search patents in B01D- Granted patents
- 308
- Published applications
- 284
- Assignees
- 247
- Inventors
- 741
- Latest grant
- 30 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 4 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 5 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 4 | 0 |
| 1985 | 10 | 0 |
| 1986 | 1 | 0 |
| 1987 | 6 | 0 |
| 1988 | 4 | 0 |
| 1989 | 5 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 9 | 0 |
| 1995 | 4 | 0 |
| 1996 | 6 | 0 |
| 1997 | 3 | 0 |
| 1998 | 4 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 6 | 0 |
| 2002 | 4 | 2 |
| 2003 | 5 | 7 |
| 2004 | 7 | 14 |
| 2005 | 2 | 6 |
| 2006 | 4 | 5 |
| 2007 | 3 | 14 |
| 2008 | 5 | 10 |
| 2009 | 7 | 14 |
| 2010 | 10 | 12 |
| 2011 | 16 | 12 |
| 2012 | 3 | 10 |
| 2013 | 10 | 11 |
| 2014 | 10 | 9 |
| 2015 | 9 | 12 |
| 2016 | 9 | 14 |
| 2017 | 6 | 11 |
| 2018 | 7 | 21 |
| 2019 | 18 | 17 |
| 2020 | 22 | 13 |
| 2021 | 13 | 16 |
| 2022 | 11 | 19 |
| 2023 | 12 | 9 |
| 2024 | 12 | 10 |
| 2025 | 10 | 12 |
| 2026 | 1 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Gas-liquid separator30 Jun 2026US 12,667,802 B2Tyco Fire & Security GmbH
- Gas-liquid separator30 Dec 2025US 12,508,526 B2Tyco Fire & Security GmbH
- Mist collection and separation assembly23 Dec 2025US 12,502,629 B1
- Processes and systems for removing coke particles from a pyrolysis effluent18 Nov 2025US 12,473,497 B2ExxonMobil Engineering & Technology Company
- Droplet bandpass filter23 Sep 2025US 12,419,980 B2Saban Ventures Pty Limited
- Wet cleaning apparatus and method17 Sep 2026US 2026/0272239 A1Versuni Holding B.V.
- Fog collector that can reduce the gravitational loss of captured water, with facilitated transport in a folded or rolled state13 Aug 2026US 2026/0234913 A1Desmontables S.A.
- Hydrogen generator with detachable filter23 Jul 2026US 2026/0209978 A1
- Method for Purifying Dust-containing Gas with Positive Pressure26 Feb 2026US 2026/0054209 A1Suzhou University of Science and Technology
- Hydrocyclone for separating solids and/or liquids from a gaseous process stream11 Dec 2025US 2025/0375726 A1ESTA Apparatebau GmbH & Co. KG
Most cited
By later US patents
- Labyrinth disk stack having disks with integral filter screens98US 4,267,045 AThe Babcock & Wilcox Company · 1981
- Anti-duffusion chemical breather assembly for disk drives96US 4,863,499 ADonaldson Company, Inc. · 1989
- Two-stage particle separator for vacuum cleaners95US 6,428,589 B1Royal Appliance Mfg. Co. · 2002
- Parallel plate apparatus for in-situ vacuum line cleaning for substrate processing equipment90US 6,193,802 B1APPLIED Materials.Inc. · 2001
- Method and apparatus for reducing perfluorocompound gases from substrate processing equipment emissions71US 6,187,072 B1APPLIED Materials.Inc. · 2001