B07B 7/08
Selective separation of solid materials carried by, or dispersed in, gas currents
Official title: using centrifugal force (centrifuges B04B; cyclones B04C)
B07B7/08 (Selective separation of solid materials carried by, or dispersed in, gas currents) appears on 374 US grants and 231 published applications in this corpus.
Search patents in B07B- Granted patents
- 374
- Published applications
- 231
- Assignees
- 216
- Inventors
- 690
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 3 | 0 |
| 1980 | 6 | 0 |
| 1981 | 14 | 0 |
| 1982 | 0 | 0 |
| 1983 | 6 | 0 |
| 1984 | 6 | 0 |
| 1985 | 9 | 0 |
| 1986 | 4 | 0 |
| 1987 | 9 | 0 |
| 1988 | 12 | 0 |
| 1989 | 8 | 0 |
| 1990 | 6 | 0 |
| 1991 | 7 | 0 |
| 1992 | 6 | 0 |
| 1993 | 7 | 0 |
| 1994 | 6 | 0 |
| 1995 | 7 | 0 |
| 1996 | 4 | 0 |
| 1997 | 8 | 0 |
| 1998 | 5 | 0 |
| 1999 | 15 | 0 |
| 2000 | 6 | 0 |
| 2001 | 11 | 1 |
| 2002 | 4 | 7 |
| 2003 | 5 | 6 |
| 2004 | 9 | 7 |
| 2005 | 7 | 2 |
| 2006 | 4 | 7 |
| 2007 | 2 | 10 |
| 2008 | 3 | 3 |
| 2009 | 3 | 12 |
| 2010 | 7 | 14 |
| 2011 | 12 | 10 |
| 2012 | 7 | 7 |
| 2013 | 8 | 7 |
| 2014 | 8 | 9 |
| 2015 | 12 | 9 |
| 2016 | 7 | 16 |
| 2017 | 13 | 14 |
| 2018 | 11 | 14 |
| 2019 | 15 | 14 |
| 2020 | 12 | 13 |
| 2021 | 10 | 11 |
| 2022 | 12 | 12 |
| 2023 | 16 | 6 |
| 2024 | 9 | 9 |
| 2025 | 5 | 7 |
| 2026 | 4 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Exhaust system and exhaust method using buffer29 Sep 2026US 12,746,501 B2Samsung Electronics Co., Ltd.
- Silver powder and method of producing same5 May 2026US 12,617,013 B2Dowa Electronics Materials Co., Ltd.
- Adjustable static classifier10 Feb 2026US 12,544,787 B2Coperion Process Solutions LLC
- Shredder centrifugal separator13 Jan 2026US 12,521,763 B1Phiston Technologies, Inc.
- Particle separation device for additive manufacture and additive manufacturing apparatus30 Dec 2025US 12,508,627 B2Addup
- Silver powder13 Aug 2026US 2026/0233301 A1Dowa Electronics Materials Co., Ltd.
- Device for separating gas from a mixed gas flow6 Aug 2026US 2026/0225014 A1
- Classifier device for separating material to be classified into a fine material and a coarse material, classifier system and method for operating a classifier device21 May 2026US 2026/0138157 A1NETZSCH Trockenmahltechnik GmbH
- Granulate Production Device and Method for Controlling and/or Regulating the Granulate Production Device19 Feb 2026US 2026/0048373 A1Glatt GmbH
- Dynamic turbine classifier with a flow restricting sleeve18 Dec 2025US 2025/0381585 A1Coperion Process Solutions LLC
Most cited
By later US patents
- Electrostatically enhanced separator (EES)66US 5,591,253 AElectric Power Research Institute, Inc. · 1997
- Negative pressure dust collector with a dust receiving bag smoothly inflatable55US 7,695,538 B2San Ford Machinery Co., Ltd. · 2010
- Method and apparatus for obtaining low ash content refuse fuel, paper and plastic products from municipal solid waste and said products53US 4,245,999 A1981
- Method and apparatus for the continuous centrifugal classifying of a continuous flow of particulate material in a deflected flow46US 4,153,541 A1979
- Rotary separator and method45US 7,241,392 B2Dresser-Rand Company · 2007