B04C 11/00
Accessories
Official title: Accessories, e.g. safety or control devices, not otherwise provided for {, e.g. regulators, valves in inlet or overflow ducting}(with electrostatic precipitating arrangements B03C3/14)
B04C11/00 (Accessories) appears on 257 US grants and 187 published applications in this corpus.
Search patents in B04C- Granted patents
- 257
- Published applications
- 187
- Assignees
- 200
- Inventors
- 503
- Latest grant
- 10 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 5 | 0 |
| 1982 | 5 | 0 |
| 1983 | 0 | 0 |
| 1984 | 3 | 0 |
| 1985 | 6 | 0 |
| 1986 | 7 | 0 |
| 1987 | 13 | 0 |
| 1988 | 4 | 0 |
| 1989 | 9 | 0 |
| 1990 | 4 | 0 |
| 1991 | 7 | 0 |
| 1992 | 7 | 0 |
| 1993 | 6 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 3 | 0 |
| 1997 | 5 | 0 |
| 1998 | 3 | 0 |
| 1999 | 7 | 0 |
| 2000 | 3 | 0 |
| 2001 | 5 | 1 |
| 2002 | 5 | 0 |
| 2003 | 0 | 4 |
| 2004 | 6 | 6 |
| 2005 | 4 | 6 |
| 2006 | 2 | 4 |
| 2007 | 4 | 4 |
| 2008 | 2 | 5 |
| 2009 | 3 | 4 |
| 2010 | 2 | 9 |
| 2011 | 5 | 6 |
| 2012 | 4 | 2 |
| 2013 | 9 | 6 |
| 2014 | 3 | 13 |
| 2015 | 8 | 6 |
| 2016 | 5 | 10 |
| 2017 | 10 | 9 |
| 2018 | 8 | 12 |
| 2019 | 8 | 14 |
| 2020 | 11 | 14 |
| 2021 | 14 | 14 |
| 2022 | 7 | 10 |
| 2023 | 8 | 6 |
| 2024 | 10 | 6 |
| 2025 | 5 | 6 |
| 2026 | 1 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Separator including multi-flow drain10 Feb 2026US 12,544,773 B2Tesllon Inc.
- Hydrocyclone for detecting formation of a roping state30 Dec 2025US 12,508,603 B2Metso Finland Oy
- Apparatus to wash and hydrate rice for production of flour and starch23 Dec 2025US 12,502,675 B2Corn Products Development, Inc.
- Detection of cyclone wear or damage using individual cyclone overflow measurement4 Nov 2025US 12,458,986 B2Cidra Corporate Services Inc.
- Sand trap23 Sep 2025US 12,421,836 B2B&D Flowback, LLC
- Cyclone separator apparatus and insert apparatus therefor27 Aug 2026US 2026/0249311 A1
- Cleaner13 Aug 2026US 2026/0232159 A1LG Electronics Inc.
- 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.
- Vortex tube assembly28 May 2026US 2026/0145181 A1
Most cited
By later US patents
- Shroud330US 5,078,761 ANotetry Limited · 1992
- Apparatus and method separating particles from a cyclonic fluid flow including an apertured particle separation member within a cyclonic flow region240US 6,440,197 B1G. B. D. Corp. · 2002
- Apparatus for separating particles from a cyclonic fluid flow234US 6,228,260 B1G. B. D. Corp. · 2001
- Apparatus and method for separating particles from a cyclonic fluid flow228US 6,221,134 B1G. B. D. Corp. · 2001
- Apparatus and method for separating particles from a cyclonic fluid flow191US 6,874,197 B1G. B. D. Corp. · 2005