B04C 5/22
Apparatus in which the axial direction of the vortex is reversed: with
Official title: with cleaning means
B04C5/22 (Apparatus in which the axial direction of the vortex is reversed: with) appears on 58 US grants and 47 published applications in this corpus.
Search patents in B04C- Granted patents
- 58
- Published applications
- 47
- Assignees
- 46
- Inventors
- 108
- Latest grant
- 13 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 2 |
| 2004 | 1 | 3 |
| 2005 | 1 | 0 |
| 2006 | 2 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 2 |
| 2009 | 1 | 1 |
| 2010 | 0 | 1 |
| 2011 | 1 | 2 |
| 2012 | 1 | 3 |
| 2013 | 1 | 1 |
| 2014 | 3 | 4 |
| 2015 | 6 | 4 |
| 2016 | 1 | 3 |
| 2017 | 0 | 5 |
| 2018 | 2 | 2 |
| 2019 | 4 | 3 |
| 2020 | 4 | 3 |
| 2021 | 2 | 1 |
| 2022 | 2 | 1 |
| 2023 | 0 | 3 |
| 2024 | 2 | 0 |
| 2025 | 2 | 1 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Hydro-cyclone system13 Jan 2026US 12,521,735 B2Voith Patent GmbH
- Slurry cleaner systems with cleaner dilution devices and methods of cleaning slurries therewith23 Sep 2025US 12,421,661 B2Kadant Black Clawson LLC
- Reject chamber of a centrifugal cleaner and a centrifugal cleaner25 Feb 2025US 12,233,427 B2Andritz Inc.
- Detection device and detection method using cyclone type collector22 Oct 2024US 12,123,819 B2Panasonic Intellectual Property Management Co., Ltd.
- Separator and a method for separating milk2 Jul 2024US 12,022,795 B2Tetra Laval Holdings & Finance S. A.
- Vortex tube assembly28 May 2026US 2026/0145182 A1
- A sampling apparatus and a cyclone6 Nov 2025US 2025/0341449 A1Tribe Technology Pty Ltd
- Slurry cleaner systems with cleaner dilution devices and methods of cleaning slurries therewith9 Nov 2023US 2023/0357989 A1Kadant Black Clawson LLC
- Multi-cyclone vacuum excavation system15 Jun 2023US 2023/0182152 A1
- Hydro-cyclone system9 Feb 2023US 2023/0037357 A1Voith Patent GmbH
Most cited
By later US patents
- Filter assembly for cyclone type dust collecting apparatus of a vacuum cleaner45US 7,152,277 B2Samsung Gwangju Electronics Co., Ltd. · 2006
- Cyclone dust collecting apparatus for a vacuum cleaner43US 6,824,580 B2Samsung Gwangju Electronics Co., Ltd. · 2004
- Cyclone separator29US 4,149,861 ASnow Brand Milk Products Co., Ltd. · 1979
- Mini-cyclone biocollector and concentrator29US 6,468,330 B1Innovatek, Inc. · 2002
- Cyclone separator26US 4,148,723 ANational Research Development Corporation · 1979