B04C 5/26
For series flow
Official title: for series flow
B04C5/26 (For series flow) appears on 278 US grants and 293 published applications in this corpus.
Search patents in B04C- Granted patents
- 278
- Published applications
- 293
- Assignees
- 125
- Inventors
- 389
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 4 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 4 | 0 |
| 1989 | 3 | 0 |
| 1990 | 5 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 4 | 0 |
| 1999 | 4 | 0 |
| 2000 | 4 | 0 |
| 2001 | 1 | 3 |
| 2002 | 2 | 1 |
| 2003 | 5 | 5 |
| 2004 | 8 | 12 |
| 2005 | 5 | 9 |
| 2006 | 5 | 15 |
| 2007 | 7 | 18 |
| 2008 | 10 | 12 |
| 2009 | 11 | 22 |
| 2010 | 18 | 11 |
| 2011 | 14 | 5 |
| 2012 | 8 | 15 |
| 2013 | 5 | 5 |
| 2014 | 12 | 6 |
| 2015 | 10 | 11 |
| 2016 | 7 | 10 |
| 2017 | 6 | 13 |
| 2018 | 6 | 18 |
| 2019 | 16 | 18 |
| 2020 | 13 | 25 |
| 2021 | 19 | 11 |
| 2022 | 12 | 13 |
| 2023 | 12 | 9 |
| 2024 | 10 | 8 |
| 2025 | 8 | 5 |
| 2026 | 2 | 13 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Compact disc stack cyclone separator19 May 2026US 12,629,701 B2
- Air treatment apparatus24 Feb 2026US 12,558,697 B2Omachron Intellectual Property Inc.
- Configuration of a cyclone assembly and surface cleaning apparatus having same26 Aug 2025US 12,396,604 B2Omachron Intellectual Property Inc.
- Method and system for cleaning sand19 Aug 2025US 12,390,815 B1KB Foundry Services, LLC
- Hydro excavation vacuum apparatus and fluid storage and supply systems thereof12 Aug 2025US 12,385,215 B2Vermeer Manufacturing Company
- Cleaner1 Oct 2026US 2026/0295604 A1LG Electronics Inc.
- Air treatment apparatus1 Oct 2026US 2026/0295605 A1Omachron Intellectual Property Inc.
- Purification method for anhydrous aluminum chloride, and gas-phase nano-alumina preparation device and method therefor17 Sep 2026US 2026/0274702 A1Guangzhou Huifu Research Institute Co., Ltd.
- Compact disc stack cyclone separator20 Aug 2026US 2026/0241395 A1
- Vacuum cleaner13 Aug 2026US 2026/0232155 A1LG Electronics Inc.
Most cited
By later US patents
- Shroud330US 5,078,761 ANotetry Limited · 1992
- Upright vacuum cleaner with cyclonic air flow295US 6,782,585 B1Fantom Technologies Inc. · 2004
- Handheld cleaning appliance235US 8,156,609 B2Dyson Technology Limited · 2012
- Cyclone dust collector233US 6,746,500 B1LG Electronics Inc. · 2004
- Cyclonic dirt separation module145US 7,247,181 B2BISSELL Homecare, Inc. · 2007