B04C 2003/006
Construction of elements by which the vortex flow is generated or degenerated
Official title: {Construction of elements by which the vortex flow is generated or degenerated}
B04C2003/006 (Construction of elements by which the vortex flow is generated or degenerated) appears on 216 US grants and 225 published applications in this corpus.
Search patents in B04C- Granted patents
- 216
- Published applications
- 225
- Assignees
- 145
- Inventors
- 420
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 3 | 0 |
| 1980 | 2 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 0 |
| 2003 | 3 | 0 |
| 2004 | 2 | 2 |
| 2005 | 1 | 5 |
| 2006 | 0 | 4 |
| 2007 | 5 | 5 |
| 2008 | 3 | 7 |
| 2009 | 4 | 6 |
| 2010 | 4 | 5 |
| 2011 | 8 | 5 |
| 2012 | 5 | 6 |
| 2013 | 8 | 11 |
| 2014 | 5 | 5 |
| 2015 | 5 | 11 |
| 2016 | 8 | 4 |
| 2017 | 8 | 11 |
| 2018 | 5 | 17 |
| 2019 | 12 | 29 |
| 2020 | 24 | 12 |
| 2021 | 18 | 15 |
| 2022 | 11 | 11 |
| 2023 | 14 | 12 |
| 2024 | 12 | 15 |
| 2025 | 10 | 17 |
| 2026 | 7 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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Most cited
By later US patents
- System for removing contaminant particles from a gas142US 4,537,608 APall Corporation · 1985
- Side outlet tube120US 4,162,906 ADonaldson Company, Inc. · 1979
- Air cleaner apparatus70US 4,746,340 ADonaldson Company, Inc. · 1988
- Multi-stage cyclone separator65US 4,289,611 AKlockner-Humboldt-Deutz Akt. · 1981
- Wetted wall vapor/liquid separator55US 6,376,732 B1Shell Oil Company · 2002