B04C 3/04
Multiple arrangement thereof
Official title: Multiple arrangement thereof {(combined with types according to other groups, B04C7/00)}
B04C3/04 (Multiple arrangement thereof) appears on 165 US grants and 140 published applications in this corpus.
Search patents in B04C- Granted patents
- 165
- Published applications
- 140
- Assignees
- 104
- Inventors
- 292
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 4 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 5 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 4 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 1 |
| 2003 | 1 | 3 |
| 2004 | 3 | 3 |
| 2005 | 5 | 6 |
| 2006 | 2 | 0 |
| 2007 | 2 | 2 |
| 2008 | 3 | 2 |
| 2009 | 1 | 2 |
| 2010 | 1 | 7 |
| 2011 | 4 | 2 |
| 2012 | 6 | 4 |
| 2013 | 4 | 12 |
| 2014 | 5 | 5 |
| 2015 | 8 | 15 |
| 2016 | 10 | 14 |
| 2017 | 15 | 2 |
| 2018 | 9 | 11 |
| 2019 | 6 | 12 |
| 2020 | 15 | 5 |
| 2021 | 5 | 4 |
| 2022 | 7 | 6 |
| 2023 | 2 | 6 |
| 2024 | 5 | 8 |
| 2025 | 3 | 1 |
| 2026 | 3 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Dewatering method and system18 Aug 2026US 12,709,562 B2Weir Minerals Australia Ltd.
- Compact disc stack cyclone separator19 May 2026US 12,629,701 B2
- Integrated manifold for pre-cleaner dust removal13 Jan 2026US 12,521,660 B2Caterpillar Inc.
- Filter assembly and method19 Aug 2025US 12,390,754 B2Transportation IP Holdings, LLC
- Inertial separator and method of use11 Mar 2025US 12,246,279 B2Pall Corporation
- Multi-cyclonic separator assembly8 Oct 2026US 2026/0307084 A1FMC Separation Systems, BV
- Double-cyclone separator24 Sep 2026US 2026/0284677 A1
- Compact disc stack cyclone separator20 Aug 2026US 2026/0241395 A1
- Cyclonic Separator System with a Bypass Conduit16 Jul 2026US 2026/0199909 A1
- Cyclonic Separator System with a Bypass Conduit16 Jul 2026US 2026/0199911 A1
Most cited
By later US patents
- Down flow centrifugal separator210US 4,187,088 AMaloney-Crawford Corporation · 1980
- Cyclone separator204US 6,531,066 B1B.H.R. Group Limited · 2003
- System for removing contaminant particles from a gas142US 4,537,608 APall Corporation · 1985
- Side outlet tube120US 4,162,906 ADonaldson Company, Inc. · 1979
- Air cleaner apparatus70US 4,746,340 ADonaldson Company, Inc. · 1988