B01D 69/061
Membrane bags or membrane cushions
Official title: {Membrane bags or membrane cushions}
B01D69/061 (Membrane bags or membrane cushions) appears on 29 US grants and 39 published applications in this corpus.
Search patents in B01D- Granted patents
- 29
- Published applications
- 39
- Assignees
- 36
- Inventors
- 103
- Latest grant
- 5 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1990 | 1 | 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 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 1 |
| 2006 | 0 | 4 |
| 2007 | 1 | 1 |
| 2008 | 1 | 0 |
| 2009 | 1 | 2 |
| 2010 | 1 | 1 |
| 2011 | 4 | 2 |
| 2012 | 1 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 3 |
| 2016 | 0 | 2 |
| 2017 | 1 | 0 |
| 2018 | 2 | 0 |
| 2019 | 1 | 4 |
| 2020 | 2 | 6 |
| 2021 | 2 | 3 |
| 2022 | 2 | 3 |
| 2023 | 1 | 0 |
| 2024 | 3 | 3 |
| 2025 | 3 | 3 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Flat sheet membrane with integral posts5 May 2026US 12,616,942 B2Thetis Environmental Inc.
- Device for ion capture7 Oct 2025US 12,433,306 B2No-Dium LLC
- Durable biofouling protection8 Apr 2025US 12,268,994 B2Biofouling Technologies, Inc.
- Bendable flexible flat membrane module and method for manufacturing same14 Jan 2025US 12,194,418 B2
- Durable biofouling protection10 Dec 2024US 12,161,977 B2Biofouling Technologies, Inc.
- Durable biofouling protection8 May 2025US 2025/0144573 A1Biofouling Technologies, Inc.
- Durable biofouling protection20 Mar 2025US 2025/0091018 A1Biofouling Technologies, Inc.
- Sheet laminate, method for manufacturing gas supply body, gas supply body, supply body unit, and wastewater treatment device9 Jan 2025US 2025/0011206 A1Sekisui Chemical Co., Ltd.
- Durable biofouling protection24 Oct 2024US 2024/0350980 A1Biofouling Technologies, Inc.
- Reinforced Gas Permeable Blood Storage Bags, and Methods of Preparation Thereof16 May 2024US 2024/0156682 A1Hemanext Inc.
Most cited
By later US patents
- Filter element having microporous membrane58US 4,929,354 ACuno Incorporated · 1990
- Textured ion exchange membranes31US 7,959,780 B2Emporia Capital Funding LLC · 2011
- Fluid-gas separator21US 7,238,224 B2Hewlett-Packard Development Company, L. P. · 2007
- Biological fluid filtration apparatus11US 8,361,320 B2Hemerus Medical, LLC · 2013
- Biological fluid filtration apparatus10US 7,854,845 B2Hemerus Medical, LLC · 2010