B04C 5/081
Shapes or dimensions
B04C5/081 (Shapes or dimensions) appears on 298 US grants and 218 published applications in this corpus.
Search patents in B04C- Granted patents
- 298
- Published applications
- 218
- Assignees
- 221
- Inventors
- 627
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 3 | 0 |
| 1982 | 8 | 0 |
| 1983 | 3 | 0 |
| 1984 | 2 | 0 |
| 1985 | 3 | 0 |
| 1986 | 3 | 0 |
| 1987 | 4 | 0 |
| 1988 | 7 | 0 |
| 1989 | 5 | 0 |
| 1990 | 9 | 0 |
| 1991 | 12 | 0 |
| 1992 | 14 | 0 |
| 1993 | 5 | 0 |
| 1994 | 4 | 0 |
| 1995 | 7 | 0 |
| 1996 | 5 | 0 |
| 1997 | 6 | 0 |
| 1998 | 7 | 0 |
| 1999 | 3 | 0 |
| 2000 | 5 | 0 |
| 2001 | 4 | 2 |
| 2002 | 0 | 1 |
| 2003 | 5 | 2 |
| 2004 | 2 | 5 |
| 2005 | 6 | 3 |
| 2006 | 0 | 10 |
| 2007 | 3 | 5 |
| 2008 | 7 | 2 |
| 2009 | 4 | 6 |
| 2010 | 3 | 8 |
| 2011 | 6 | 4 |
| 2012 | 5 | 6 |
| 2013 | 4 | 4 |
| 2014 | 4 | 8 |
| 2015 | 7 | 11 |
| 2016 | 8 | 11 |
| 2017 | 8 | 16 |
| 2018 | 5 | 9 |
| 2019 | 7 | 11 |
| 2020 | 12 | 19 |
| 2021 | 19 | 20 |
| 2022 | 16 | 12 |
| 2023 | 13 | 12 |
| 2024 | 12 | 15 |
| 2025 | 10 | 10 |
| 2026 | 7 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Gas-liquid separation device25 Aug 2026US 12,714,952 B2Hyundai Motor Company
- Centrifugal separator25 Aug 2026US 12,715,009 B2Syntegon Technology GmbH
- Low profile dust separator23 Jun 2026US 12,661,663 B2
- Flocculation cyclone device, marine plastic removal system using the same, ship provided with the system, and operation method for the ship16 Jun 2026US 12,654,179 B2Ambitious Technologies, LTD.
- Hydrocyclone separator12 May 2026US 12,623,235 B2Metso Sweden AB
- Hydrocyclone separator20 Aug 2026US 2026/0241394 A1Metso Sweden AB
- Method and system for treating fluid30 Jul 2026US 2026/0216738 A1Vortex Corporation
- Cyclone heat exchange device and filtering system having the same23 Jul 2026US 2026/0210638 A1Everinn International Co., Ltd.
- Cone stack cyclone separator and vacuum cleaner having same5 Mar 2026US 2026/0060494 A1
- High-pressure fluid chromatography system using interior-to-exterior column pressure equalization26 Feb 2026US 2026/0055937 A1Supercritical Fluid Technologies, Inc.
Most cited
By later US patents
- Apparatus for reducing attrition of particulate matter in a chemical conversion process113US 4,486,207 AAtlantic Richfield Company · 1984
- Terminal insert for a cyclone separator112US 6,129,775 AG. B. D. Corp. · 2000
- Dust collection unit of vacuum cleaner91US 7,488,363 B2LG Electronics Inc. · 2009
- Cyclone separator having a variable transverse profile85US 6,168,716 AG. B. D. Corp. · 2001
- Cyclone separator having a variable longitudinal profile83US 6,277,278 B1G. B. D. Corp. · 2001