B01D 21/0024
Inlets or outlets provided with regulating devices
Official title: {Inlets or outlets provided with regulating devices, e.g. valves, flaps (B01D21/24 takes precedence)}
B01D21/0024 (Inlets or outlets provided with regulating devices) appears on 188 US grants and 172 published applications in this corpus.
Search patents in B01D- Granted patents
- 188
- Published applications
- 172
- Assignees
- 144
- Inventors
- 400
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 3 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 7 | 0 |
| 1998 | 6 | 0 |
| 1999 | 5 | 0 |
| 2000 | 10 | 0 |
| 2001 | 5 | 2 |
| 2002 | 2 | 5 |
| 2003 | 6 | 3 |
| 2004 | 0 | 5 |
| 2005 | 4 | 5 |
| 2006 | 3 | 3 |
| 2007 | 3 | 8 |
| 2008 | 4 | 5 |
| 2009 | 6 | 4 |
| 2010 | 0 | 0 |
| 2011 | 1 | 3 |
| 2012 | 3 | 2 |
| 2013 | 1 | 8 |
| 2014 | 4 | 4 |
| 2015 | 3 | 3 |
| 2016 | 4 | 10 |
| 2017 | 4 | 8 |
| 2018 | 11 | 15 |
| 2019 | 4 | 8 |
| 2020 | 6 | 17 |
| 2021 | 19 | 18 |
| 2022 | 11 | 12 |
| 2023 | 17 | 12 |
| 2024 | 12 | 8 |
| 2025 | 8 | 2 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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