B01F 25/31432
Being a slit extending in the circumferential direction only
Official title: {being a slit extending in the circumferential direction only}
B01F25/31432 (Being a slit extending in the circumferential direction only) appears on 18 US grants and 20 published applications in this corpus.
Search patents in B01F- Granted patents
- 18
- Published applications
- 20
- Assignees
- 21
- Inventors
- 52
- Latest grant
- 31 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 1 |
| 2004 | 1 | 1 |
| 2005 | 0 | 1 |
| 2006 | 1 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 4 |
| 2018 | 1 | 0 |
| 2019 | 2 | 0 |
| 2020 | 1 | 1 |
| 2021 | 0 | 1 |
| 2022 | 0 | 2 |
| 2023 | 0 | 1 |
| 2024 | 2 | 2 |
| 2025 | 3 | 1 |
| 2026 | 1 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Microbubble-producing water outlet assembly22 Apr 2025US 12,280,389 B2Purity (Xiamen) Sanitary Ware Co., Ltd.
- Microdroplet/bubble-producing device17 Dec 2024US 12,168,230 B2Japan Science and Technology Agency
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Most cited
By later US patents
- Aerating apparatus30US 4,721,562 AE et M Lamort · 1988
- Apparatus for purification of water area29US 6,444,176 B1Marine Techno Research, Inc. · 2002
- Automatically adjusting annular jet mixer18US 6,802,638 B22004
- Aeration system and method17US 4,564,480 A1986
- Automatically adjusting annular jet mixer16US 7,029,165 B22006