B02C 13/288
Ventilating, or influencing air circulation
B02C13/288 (Ventilating, or influencing air circulation) appears on 143 US grants and 105 published applications in this corpus.
Search patents in B02C- Granted patents
- 143
- Published applications
- 105
- Assignees
- 92
- Inventors
- 253
- Latest grant
- 3 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 4 | 0 |
| 1978 | 5 | 0 |
| 1979 | 2 | 0 |
| 1980 | 5 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 4 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 7 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 4 | 0 |
| 2000 | 4 | 0 |
| 2001 | 0 | 1 |
| 2002 | 4 | 1 |
| 2003 | 3 | 1 |
| 2004 | 1 | 0 |
| 2005 | 1 | 2 |
| 2006 | 1 | 0 |
| 2007 | 0 | 2 |
| 2008 | 2 | 3 |
| 2009 | 2 | 3 |
| 2010 | 2 | 2 |
| 2011 | 3 | 3 |
| 2012 | 5 | 1 |
| 2013 | 1 | 7 |
| 2014 | 2 | 6 |
| 2015 | 4 | 6 |
| 2016 | 4 | 7 |
| 2017 | 1 | 7 |
| 2018 | 0 | 5 |
| 2019 | 3 | 3 |
| 2020 | 7 | 8 |
| 2021 | 5 | 11 |
| 2022 | 10 | 6 |
| 2023 | 4 | 6 |
| 2024 | 8 | 7 |
| 2025 | 3 | 6 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Librixer comminutor and particle air classifier system31 Dec 2024US 12,179,210 B2Libriixer AB
- Device and Method for Rounding Graphite Flakes of a Graphite Material11 Jun 2026US 2026/0158498 A1NETZSCH Trockenmahltechnik GmbH
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- Material processing apparatus and method9 Oct 2025US 2025/0312799 A1
- Crushed Lithium Battery Resource Recovery Device9 Oct 2025US 2025/0312832 A1Jereh New Energy Regeneration and Recycling Technology Co., Ltd.
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Most cited
By later US patents
- Weed and volunteer crop seed destruction108US 8,152,610 B2Grains Research and Development Corporation · 2012
- Apparatus for conditioning and dispensing loose fill insulation material64US 5,829,649 AWestern Fibers, Inc. · 1998
- Paper shredding assembly49US 5,871,162 A1999
- Apparatus for the deposition of a uniform layer of dry fibres on a foraminous forming surface42US 4,014,635 A1977
- Insulation anti-static and blowing machine42US 4,337,902 A1982