B01F 23/231241
The outlets being in the form of perforations
Official title: {the outlets being in the form of perforations}
B01F23/231241 (The outlets being in the form of perforations) appears on 79 US grants and 80 published applications in this corpus.
Search patents in B01F- Granted patents
- 79
- Published applications
- 80
- Assignees
- 48
- Inventors
- 129
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 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 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 2 |
| 2002 | 0 | 1 |
| 2003 | 2 | 4 |
| 2004 | 3 | 3 |
| 2005 | 2 | 2 |
| 2006 | 2 | 3 |
| 2007 | 2 | 3 |
| 2008 | 1 | 3 |
| 2009 | 1 | 1 |
| 2010 | 3 | 3 |
| 2011 | 3 | 4 |
| 2012 | 2 | 5 |
| 2013 | 4 | 5 |
| 2014 | 1 | 2 |
| 2015 | 2 | 4 |
| 2016 | 4 | 3 |
| 2017 | 5 | 7 |
| 2018 | 3 | 0 |
| 2019 | 3 | 5 |
| 2020 | 7 | 6 |
| 2021 | 4 | 5 |
| 2022 | 4 | 1 |
| 2023 | 2 | 1 |
| 2024 | 1 | 5 |
| 2025 | 2 | 1 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Single use flexible sparger19 May 2026US 12,629,641 B2EMD Millipore Corporation
- Tube diffuser and associated saddle6 Jan 2026US 12,515,970 B2Ssi Aeration, Inc.
- Gas distribution system for aquaculture reservoir including internal flow control device30 Dec 2025US 12,507,676 B2Canadianpond.Ca Products Ltd.
- Aeration system with flexible hose couplings23 Sep 2025US 12,421,146 B2Artemis Rubber Technology Inc.
- Container with film sparger29 Oct 2024US 12,128,367 B2Life Technologies Corporation
- Tube diffuser and associated saddle9 Apr 2026US 2026/0097980 A1
- Parrellel tubular aerator11 Sep 2025US 2025/0281887 A1
- Aquaculture diffuser28 Nov 2024US 2024/0389560 A1Canadianpond.Ca Products Ltd.
- Macro-sparger for benchtop bioreactors5 Sep 2024US 2024/0294860 A1Corning Incorporated
- Screw conveyor2 May 2024US 2024/0139691 A1
Most cited
By later US patents
- Cyclic aeration system for submerged membrane modules132US 6,245,239 B1Zenon Environmental Inc. · 2001
- Cyclic aeration system for submerged membrane modules109US 6,550,747 B2Zenon Environmental Inc. · 2003
- Cyclic aeration system for submerged membrane modules95US 6,706,189 B2Zenon Environmental Inc. · 2004
- Gas spargers and related container systems87US 8,603,805 B2HyClone Laboratories, Inc. · 2013
- Moving aerator for immersed membranes71US 6,708,957 B2Zenon Environmental Inc. · 2004