B04C 5/04
Tangential inlets
B04C5/04 (Tangential inlets) appears on 408 US grants and 422 published applications in this corpus.
Search patents in B04C- Granted patents
- 408
- Published applications
- 422
- Assignees
- 345
- Inventors
- 920
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 5 | 0 |
| 1978 | 7 | 0 |
| 1979 | 8 | 0 |
| 1980 | 4 | 0 |
| 1981 | 6 | 0 |
| 1982 | 5 | 0 |
| 1983 | 3 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 4 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 7 | 0 |
| 1994 | 3 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 4 | 0 |
| 1999 | 3 | 0 |
| 2000 | 3 | 0 |
| 2001 | 3 | 0 |
| 2002 | 1 | 2 |
| 2003 | 5 | 5 |
| 2004 | 2 | 8 |
| 2005 | 5 | 9 |
| 2006 | 4 | 7 |
| 2007 | 2 | 9 |
| 2008 | 6 | 4 |
| 2009 | 7 | 21 |
| 2010 | 10 | 15 |
| 2011 | 13 | 11 |
| 2012 | 12 | 14 |
| 2013 | 12 | 14 |
| 2014 | 16 | 15 |
| 2015 | 19 | 21 |
| 2016 | 9 | 22 |
| 2017 | 16 | 21 |
| 2018 | 12 | 18 |
| 2019 | 18 | 36 |
| 2020 | 29 | 32 |
| 2021 | 37 | 26 |
| 2022 | 21 | 26 |
| 2023 | 21 | 29 |
| 2024 | 14 | 24 |
| 2025 | 15 | 17 |
| 2026 | 16 | 16 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Apparatus and process for separating components of a multiphase hydrocarbon stream15 Sep 2026US 12,734,531 B2Omv Downstream GmbH
- Separation device8 Sep 2026US 12,728,428 B2BUNRI Incorporation
- Gas-liquid separation device25 Aug 2026US 12,714,952 B2Hyundai Motor Company
- Centrifugal separator25 Aug 2026US 12,715,009 B2Syntegon Technology GmbH
- Liquid treatment unit and method14 Jul 2026US 12,678,805 B2Au Environmental Pty Ltd
- 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.
- Hydrocyclone separator20 Aug 2026US 2026/0241394 A1Metso Sweden AB
- Compact disc stack cyclone separator20 Aug 2026US 2026/0241395 A1
- Method and system for treating fluid30 Jul 2026US 2026/0216738 A1Vortex Corporation
- Hand vacuum cleaner16 Jul 2026US 2026/0198737 A1Omachron International Property Inc.
Most cited
By later US patents
- Cyclone dust collecting apparatus for a vacuum cleaner185US 6,623,539 B2Samsung Gwangju Electronics Co., Ltd. · 2003
- Vacuum cleaner and cyclone module therefor170US 8,062,398 B2BISSELL Homecare, Inc. · 2011
- Configuration of a cyclone assembly and surface cleaning apparatus having same125US 7,941,895 B2G. B. D. Corp. · 2011
- Apparatus for reducing attrition of particulate matter in a chemical conversion process113US 4,486,207 AAtlantic Richfield Company · 1984
- Cyclone dust collection apparatus95US 7,686,858 B2Samsung Gwangju Electronics Co., Ltd. · 2010