B04C 7/00
Apparatus not provided for in group b04c1/00, b04c3/00, or b04c5/00
Official title: Apparatus not provided for in group B04C1/00, B04C3/00, or B04C5/00; Multiple arrangements not provided for in one of the groups B04C1/00, B04C3/00, or B04C5/00; Combinations of apparatus covered by two or more of the groups B04C1/00, B04C3/00, or B04C5/00
B04C7/00 (Apparatus not provided for in group b04c1/00, b04c3/00, or b04c5/00) appears on 156 US grants and 54 published applications in this corpus.
Search patents in B04C- Granted patents
- 156
- Published applications
- 54
- Assignees
- 95
- Inventors
- 274
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 4 | 0 |
| 1981 | 8 | 0 |
| 1982 | 6 | 0 |
| 1983 | 8 | 0 |
| 1984 | 10 | 0 |
| 1985 | 4 | 0 |
| 1986 | 4 | 0 |
| 1987 | 8 | 0 |
| 1988 | 8 | 0 |
| 1989 | 8 | 0 |
| 1990 | 8 | 0 |
| 1991 | 5 | 0 |
| 1992 | 4 | 0 |
| 1993 | 7 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 4 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 6 | 0 |
| 2000 | 4 | 0 |
| 2001 | 1 | 1 |
| 2002 | 0 | 1 |
| 2003 | 1 | 2 |
| 2004 | 4 | 2 |
| 2005 | 1 | 2 |
| 2006 | 1 | 3 |
| 2007 | 0 | 0 |
| 2008 | 1 | 0 |
| 2009 | 2 | 3 |
| 2010 | 1 | 4 |
| 2011 | 2 | 2 |
| 2012 | 1 | 3 |
| 2013 | 0 | 5 |
| 2014 | 2 | 2 |
| 2015 | 3 | 3 |
| 2016 | 6 | 0 |
| 2017 | 0 | 3 |
| 2018 | 2 | 4 |
| 2019 | 4 | 4 |
| 2020 | 6 | 0 |
| 2021 | 0 | 1 |
| 2022 | 1 | 2 |
| 2023 | 1 | 2 |
| 2024 | 1 | 1 |
| 2025 | 0 | 0 |
| 2026 | 1 | 4 |
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
- Librixer comminutor and particle air classifier system31 Dec 2024US 12,179,210 B2Libriixer AB
- Systems and methods for removing contaminants from surfaces of solid material24 Oct 2023US 11,794,196 B2Kyata Capital Inc.
- Apparatus and method to clean particle loaded fluid using low energy multi-flow splitter technology requiring no filter media22 Feb 2022US 11,253,804 B2Mobiair Pte. Ltd.
- Dust collector and cleaner having the same13 Oct 2020US 10,799,887 B2LG Electronics Inc.
- Cyclone separator apparatus and insert apparatus therefor27 Aug 2026US 2026/0249311 A1
- Compact disc stack cyclone separator20 Aug 2026US 2026/0241395 A1
- Cyclonic Separator System with a Bypass Conduit16 Jul 2026US 2026/0199911 A1
- Sand Separation System with Continuous Siphoned Sand Disposal16 Jul 2026US 2026/0201787 A1
- Apparatus and Method for Enhancing the Quality of a Fluid8 Aug 2024US 2024/0261803 A1Noetix Pharma LLC
Most cited
By later US patents
- Air-sparged hydrocyclone and method141US 4,279,743 AUniversity of Utah · 1981
- Esophageal electrode probe useful for electrical stimulation of the heart124US 4,640,298 A1987
- Cyclone inlet flow diverter for separator vessels114US 4,778,494 AAtlantic Richfield Company · 1988
- Method and apparatus for optimizing gas-liquid interfacial contact82US 5,529,701 ARevtech Industries, Inc. · 1996
- Air sparged hydrocyclone flotation apparatus and methods for separating particles from a particulate suspension80US 4,838,434 AUniversity of Utah · 1989