B03C 3/15
Centrifugal forces
B03C3/15 (Centrifugal forces) appears on 73 US grants and 70 published applications in this corpus.
Search patents in B03C- Granted patents
- 73
- Published applications
- 70
- Assignees
- 61
- Inventors
- 184
- Latest grant
- 17 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 4 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 2 |
| 2005 | 2 | 1 |
| 2006 | 0 | 4 |
| 2007 | 2 | 2 |
| 2008 | 1 | 5 |
| 2009 | 4 | 5 |
| 2010 | 3 | 2 |
| 2011 | 4 | 5 |
| 2012 | 4 | 3 |
| 2013 | 3 | 1 |
| 2014 | 2 | 1 |
| 2015 | 1 | 2 |
| 2016 | 1 | 1 |
| 2017 | 1 | 1 |
| 2018 | 0 | 2 |
| 2019 | 1 | 4 |
| 2020 | 3 | 1 |
| 2021 | 1 | 8 |
| 2022 | 1 | 10 |
| 2023 | 2 | 7 |
| 2024 | 2 | 1 |
| 2025 | 4 | 2 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Particulate collecting device17 Mar 2026US 12,576,409 B2The Tyre Collective Ltd
- Filter system and method28 Oct 2025US 12,453,935 B2Transportation IP Holdings, LLC
- System and method for extracting and separating botanical oils without the use of solvents20 May 2025US 12,303,803 B2Botanical Extraction Solvent Free Ltd.
- System and method for extracting and separating botanical oils without the use of solvents13 May 2025US 12,296,282 B2Botanical Extraction Solvent Free Ltd.
- Sanitization system22 Apr 2025US 12,281,468 B2Kobler Co.
- Sanitization system3 Jul 2025US 2025/0215679 A1Kohler Co.
- Systems and methods for precleaning air using charge plates24 Apr 2025US 2025/0128270 A1Caterpillar Inc.
- System and method for extracting and separating botanical oils without the use of solvents10 Oct 2024US 2024/0335764 A1Botanical Extraction Solvent Free Ltd.
- System and method for extracting and separating botanical oils without the use of solvents30 Nov 2023US 2023/0381685 A1Botanical Extraction Solvent Free Ltd.
- Air-solution regeneration device9 Nov 2023US 2023/0356136 A1Repg Enerji Sistemleri Sanayi Ve Ticaret Anonim Sirketi
Most cited
By later US patents
- Electrostatically enhanced separator (EES)66US 5,591,253 AElectric Power Research Institute, Inc. · 1997
- Electrostatic separator64US 4,588,423 ADonaldson Company, Inc. · 1986
- Method for separating particles from an air flow45US 6,228,148 B1Velmet Corporation · 2001
- Electrostatically augmented cyclone apparatus44US 4,352,681 AGeneral Electric Company · 1982
- Apparatus to remove solid particles and aerosols from a gas, especially from the exhaust gas of an internal combustion engine37US 4,478,613 ARobert Bosch GmbH · 1984