B01F 23/231264
Being in the form of plates, flat beams, flat membranes or films
Official title: {being in the form of plates, flat beams, flat membranes or films}
B01F23/231264 (Being in the form of plates, flat beams, flat membranes or films) appears on 87 US grants and 80 published applications in this corpus.
Search patents in B01F- Granted patents
- 87
- Published applications
- 80
- Assignees
- 64
- Inventors
- 182
- 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 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 3 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 4 | 2 |
| 2003 | 0 | 2 |
| 2004 | 0 | 2 |
| 2005 | 2 | 1 |
| 2006 | 0 | 1 |
| 2007 | 2 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 1 | 6 |
| 2012 | 0 | 3 |
| 2013 | 4 | 3 |
| 2014 | 3 | 5 |
| 2015 | 2 | 5 |
| 2016 | 8 | 4 |
| 2017 | 5 | 4 |
| 2018 | 4 | 4 |
| 2019 | 2 | 10 |
| 2020 | 7 | 5 |
| 2021 | 5 | 3 |
| 2022 | 5 | 3 |
| 2023 | 3 | 8 |
| 2024 | 0 | 3 |
| 2025 | 6 | 3 |
| 2026 | 3 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Single use flexible sparger19 May 2026US 12,629,641 B2EMD Millipore Corporation
- System and method for preparing a liquid product7 Apr 2026US 12,593,935 B2FrieslandCampina Nederland B.V.
- Process for water treatment using immersed gas transfer membranes17 Mar 2026US 12,577,137 B2Bl Technologies, Inc.
- Aeration system with flexible hose couplings23 Sep 2025US 12,421,146 B2Artemis Rubber Technology Inc.
- Aeration plate and fruit and vegetable cleaning machine5 Aug 2025US 12,376,705 B2Ningbo Mengo Kitchen Equipment Co., Ltd
- Floating apparatus for membrane biofilm reactor and process for water treatment25 Jun 2026US 2026/0176180 A1Bl Technologies, Inc.
- Modular sparger assembly for a bioprocessing system6 Nov 2025US 2025/0340815 A1Global Life Sciences Solutions USA LLC
- Compact device for generating foam for wellness and/or hygiene applications20 Mar 2025US 2025/0091065 A1Klafs GmbH
- Air diffuser13 Feb 2025US 2025/0050286 A1Aquaconsult Anlagenbau GmbH
- Macro-sparger for benchtop bioreactors5 Sep 2024US 2024/0294860 A1Corning Incorporated
Most cited
By later US patents
- Gas spargers and related container systems87US 8,603,805 B2HyClone Laboratories, Inc. · 2013
- Sparger86US 5,858,283 A1999
- In place gas cleaning of diffusion elements64US 4,889,620 AWater Pollution Control Corporation · 1989
- Sewage aeration system52US 4,288,394 AWater Pollution Control Corporation · 1981
- Diffusion device45US 5,015,421 AParkson Corporation · 1991