B01F 25/3142
The conduit having a plurality of openings in the axial direction or
Official title: {the conduit having a plurality of openings in the axial direction or in the circumferential direction}
B01F25/3142 (The conduit having a plurality of openings in the axial direction or) appears on 411 US grants and 473 published applications in this corpus.
Search patents in B01F- Granted patents
- 411
- Published applications
- 473
- Assignees
- 347
- Inventors
- 1,158
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 3 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 6 | 0 |
| 1990 | 4 | 0 |
| 1991 | 4 | 0 |
| 1992 | 10 | 0 |
| 1993 | 5 | 0 |
| 1994 | 8 | 0 |
| 1995 | 7 | 0 |
| 1996 | 4 | 0 |
| 1997 | 1 | 0 |
| 1998 | 4 | 0 |
| 1999 | 6 | 0 |
| 2000 | 10 | 0 |
| 2001 | 6 | 3 |
| 2002 | 8 | 9 |
| 2003 | 6 | 13 |
| 2004 | 10 | 17 |
| 2005 | 8 | 17 |
| 2006 | 11 | 20 |
| 2007 | 5 | 13 |
| 2008 | 12 | 23 |
| 2009 | 8 | 22 |
| 2010 | 12 | 14 |
| 2011 | 10 | 15 |
| 2012 | 14 | 16 |
| 2013 | 13 | 17 |
| 2014 | 10 | 27 |
| 2015 | 20 | 25 |
| 2016 | 16 | 18 |
| 2017 | 12 | 17 |
| 2018 | 16 | 15 |
| 2019 | 13 | 30 |
| 2020 | 24 | 28 |
| 2021 | 15 | 25 |
| 2022 | 13 | 25 |
| 2023 | 23 | 21 |
| 2024 | 18 | 14 |
| 2025 | 18 | 17 |
| 2026 | 6 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B01F 25/31423With a plurality of perforations in the circumferential direction only and covering115
- B01F 25/31421The conduit being porous102
- B01F 25/31425With a plurality of perforations in the axial and circumferential direction covering68
- B01F 25/31422With a plurality of perforations in the axial direction only67
- B01F 25/31424With a plurality of perforations aligned in a row perpendicular to the20
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