B04C 5/30
Recirculation constructions in or with cyclones which accomplish a partial recirculation of
Official title: Recirculation constructions in or with cyclones which accomplish a partial recirculation of the medium, e.g. by means of conduits
B04C5/30 (Recirculation constructions in or with cyclones which accomplish a partial recirculation of) appears on 31 US grants and 24 published applications in this corpus.
Search patents in B04C- Granted patents
- 31
- Published applications
- 24
- Assignees
- 28
- Inventors
- 79
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 4 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 2 | 3 |
| 2005 | 2 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 2 |
| 2015 | 1 | 1 |
| 2016 | 0 | 2 |
| 2017 | 1 | 1 |
| 2018 | 0 | 1 |
| 2019 | 3 | 2 |
| 2020 | 1 | 1 |
| 2021 | 1 | 2 |
| 2022 | 1 | 0 |
| 2023 | 2 | 2 |
| 2024 | 1 | 2 |
| 2025 | 0 | 0 |
| 2026 | 1 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Cyclone separator and dishwasher4 Aug 2026US 12,697,628 B2Guangdong Midea White Home Appliance Technology Innovation Center Co., Ltd.
- Oil-water emulsion breakup (OWEB) process and system6 Aug 2024US 12,053,719 B1The University of Tulsa
- Uniflow cyclone separator with stable vortex and tangential heavy phase extraction21 Nov 2023US 11,819,861 B2
- Cyclone separator and methods of using same7 Feb 2023US 11,571,701 B2FMC Technologies, Inc.
- Dual cyclone separator4 Oct 2022US 11,458,486 B2JCI Cyclonics Ltd.
- Cyclonic Separator System with a Bypass Conduit16 Jul 2026US 2026/0199909 A1
- Cyclonic Separator System with a Bypass Conduit16 Jul 2026US 2026/0199911 A1
- Sand Separation System with Continuous Siphoned Sand Disposal16 Jul 2026US 2026/0201787 A1
- Cyclone Separator and Dishwasher1 Aug 2024US 2024/0253066 A1Guangdong Midea White Home Appliance Technology Innovation Center Co., Ltd.
- Material manipulation in additive manufacturing2 May 2024US 2024/0139820 A1Velo3D, Inc.
Most cited
By later US patents
- Dust disposal cyclones89US 4,409,008 AMalom-Es Sutoipari Kutatointezet · 1983
- Reduced chaos cyclone separation57US 5,681,450 A1997
- Dust/particle collecting arrangement for cyclone separators37US 6,818,033 B22004
- Dust separator for cyclone type cleaner33US 7,479,171 B2LG Electronics Inc. · 2009
- Air/particle separator28US 6,936,095 B22005