B01D 63/0821
Membrane plate arrangements for submerged operation
Official title: {Membrane plate arrangements for submerged operation}
B01D63/0821 (Membrane plate arrangements for submerged operation) appears on 84 US grants and 98 published applications in this corpus.
Search patents in B01D- Granted patents
- 84
- Published applications
- 98
- Assignees
- 62
- Inventors
- 238
- Latest grant
- 17 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 4 | 1 |
| 2002 | 4 | 1 |
| 2003 | 0 | 4 |
| 2004 | 2 | 1 |
| 2005 | 4 | 0 |
| 2006 | 2 | 1 |
| 2007 | 0 | 1 |
| 2008 | 0 | 2 |
| 2009 | 0 | 1 |
| 2010 | 1 | 8 |
| 2011 | 0 | 10 |
| 2012 | 2 | 1 |
| 2013 | 6 | 5 |
| 2014 | 6 | 4 |
| 2015 | 0 | 1 |
| 2016 | 2 | 5 |
| 2017 | 4 | 9 |
| 2018 | 5 | 2 |
| 2019 | 4 | 8 |
| 2020 | 6 | 8 |
| 2021 | 4 | 5 |
| 2022 | 4 | 6 |
| 2023 | 5 | 6 |
| 2024 | 2 | 5 |
| 2025 | 6 | 1 |
| 2026 | 4 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Membrane treatment apparatus17 Mar 2026US 12,576,363 B2Kubota Corporation
- Submerged membrane unit with single drop aeration24 Feb 2026US 12,559,397 B2
- Operation of immersed membrane using cross flow17 Feb 2026US 12,551,851 B2Fibracast Ltd.
- Flat membrane element and method for producing same13 Jan 2026US 12,521,679 B2Kubota Corporation
- Stack assembly21 Oct 2025US 12,447,443 B2Redstack B.V.
- Membrane scouring airflow control system, membrane scouring airflow control method, and membrane scouring airflow control program23 Jul 2026US 2026/0208115 A1Kubota Corporation
- Diagnostic Methods and Apparatus for Electrodialysis21 May 2026US 2026/0138092 A1TexOPCO, LLC
- Organic wastewater treatment apparatus and method for operating organic wastewater treatment apparatus30 Jan 2025US 2025/0034013 A1Kubota Corporation
- Diagnostic methods and apparatus for electrodialysis14 Nov 2024US 2024/0375051 A1MIS IP Holdings, LLC
- Modular fluid filtration cassette assembly3 Oct 2024US 2024/0325981 A1Donaldson Company, Inc.
Most cited
By later US patents
- Membrane filtration device having a hygienic suspension arrangement125US 9,776,138 B2Tetra Laval Holdings & Finance S. A. · 2017
- Device and method for processing crude oil78US 6,471,869 B1Mitsubishi Rayon Co., Ltd. · 2002
- Advanced submerged membrane modules, systems and processes69US 7,122,121 B12006
- Membrane filtration system59US 6,872,305 B2U. S. Filter Wastewater Group, Inc. · 2005
- Filtration membrane cartridge43US 5,651,888 AKubota Corporation · 1997