B01F 23/231231
The outlets being in the form of perforations
Official title: {the outlets being in the form of perforations}
B01F23/231231 (The outlets being in the form of perforations) appears on 93 US grants and 92 published applications in this corpus.
Search patents in B01F- Granted patents
- 93
- Published applications
- 92
- Assignees
- 76
- Inventors
- 253
- Latest grant
- 3 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 3 | 0 |
| 2000 | 5 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 1 |
| 2003 | 1 | 5 |
| 2004 | 0 | 1 |
| 2005 | 4 | 2 |
| 2006 | 3 | 5 |
| 2007 | 0 | 1 |
| 2008 | 3 | 3 |
| 2009 | 2 | 4 |
| 2010 | 2 | 5 |
| 2011 | 1 | 5 |
| 2012 | 2 | 4 |
| 2013 | 6 | 4 |
| 2014 | 4 | 4 |
| 2015 | 2 | 4 |
| 2016 | 2 | 3 |
| 2017 | 2 | 2 |
| 2018 | 2 | 5 |
| 2019 | 3 | 7 |
| 2020 | 3 | 6 |
| 2021 | 8 | 4 |
| 2022 | 4 | 4 |
| 2023 | 3 | 5 |
| 2024 | 2 | 3 |
| 2025 | 5 | 4 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Sparger assemblies for a bioprocessing system3 Mar 2026US 12,565,634 B2Global Life Sciences Solutions USA LLC
- Aeration plate and fruit and vegetable cleaning machine5 Aug 2025US 12,376,705 B2Ningbo Mengo Kitchen Equipment Co., Ltd
- Harmful algae bloom mitigation system8 Jul 2025US 12,351,494 B1Florida Gulf Coast University Board of Trustees
- Method and apparatus for producing chlorine gas in an electrolytic cell3 Jun 2025US 12,318,740 B2Moleaer, Inc.
- Wastewater aerator/digesters1 Apr 2025US 12,264,090 B2Titus Wastewater Solutions Inc.
- Gasification device30 Apr 2026US 2026/0115678 A1
- Floating power generation unit18 Dec 2025US 2025/0382035 A1
- Aeration grid within a wastewater treatment unit29 May 2025US 2025/0171338 A1Advanced Drainage Systems, Inc.
- Air diffuser13 Feb 2025US 2025/0050286 A1Aquaconsult Anlagenbau GmbH
- Plasma functional liquid producing device, a method thereof, and plant cultivating factory2 Jan 2025US 2025/0002380 A1Aoba Gakuen Educational Corporation
Most cited
By later US patents
- Apparatus and methods for the aeration of cesspools80US 4,494,616 A1985
- Static oxygenator for suspension culture of animal cells52US 4,960,706 ABaxter International Inc. · 1990
- Apparatus for sparging gas into liquid46US 4,066,722 AUnion Carbide Corporation · 1978
- Water charging machine42US 5,925,292 AAqua Life Corporation · 1999
- Mixing vessel36US 9,044,718 B2Sartorius Stedim Biotech GmbH · 2015