B01D 63/103
Details relating to membrane envelopes
Official title: {Details relating to membrane envelopes}
B01D63/103 (Details relating to membrane envelopes) appears on 148 US grants and 209 published applications in this corpus.
Search patents in B01D- Granted patents
- 148
- Published applications
- 209
- Assignees
- 85
- Inventors
- 402
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 1 |
| 2002 | 1 | 0 |
| 2003 | 0 | 2 |
| 2004 | 1 | 2 |
| 2005 | 2 | 3 |
| 2006 | 0 | 1 |
| 2007 | 0 | 4 |
| 2008 | 1 | 0 |
| 2009 | 2 | 3 |
| 2010 | 2 | 7 |
| 2011 | 3 | 8 |
| 2012 | 3 | 6 |
| 2013 | 5 | 12 |
| 2014 | 3 | 7 |
| 2015 | 6 | 10 |
| 2016 | 4 | 14 |
| 2017 | 6 | 10 |
| 2018 | 11 | 8 |
| 2019 | 12 | 18 |
| 2020 | 6 | 14 |
| 2021 | 12 | 16 |
| 2022 | 10 | 14 |
| 2023 | 14 | 14 |
| 2024 | 6 | 17 |
| 2025 | 9 | 8 |
| 2026 | 8 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Composite semipermeable membrane, spiral membrane element, water treatment system, and water treatment method18 Aug 2026US 12,708,880 B2Nitto Denko Corporation
- Hot melt adhesive for spiral wound membrane bonding11 Aug 2026US 12,702,953 B2Henkel AG & Co. KGaA
- Compact spiral-wound filter elements, modules and systems26 May 2026US 12,636,617 B2EMD Millipore Corporation
- Spacer for a spiral wound membrane19 May 2026US 12,629,639 B2Evove Ltd
- Photocurable color changing compositions and method of forming features on a membrane surface using the same19 May 2026US 12,629,640 B2Henkel AG & Co. KGaA
- A filtration module and a method of installing a filtration module24 Sep 2026US 2026/0284599 A1Alfa Laval Corporate AB
- Compact spiral-wound filter elements, modules and systems24 Sep 2026US 2026/0284600 A1EMD Millipore Corporation
- Spiral Wound Reverse Osmosis Membrane Element and Water Purifier with Spiral Wound Reverse Osmosis Membrane Element9 Jul 2026US 2026/0192256 A1Gree Electric Appliances, Inc. of Zhuhai
- Spiral membrane element and method for producing the same25 Jun 2026US 2026/0175176 A1Nitto Denko Corporation
- Variable Velocity Patterns in Cross-Flow Filtration25 Jun 2026US 2026/0175177 A1Aqua Membranes Inc.
Most cited
By later US patents
- Peritoneal dialysis system using reverse osmosis purification device260US 5,498,338 AAbbott Laboratories · 1996
- Cell culture apparatus114US 5,079,168 AEndotronics, Inc. · 1992
- Corrugated spiral membrane module99US 5,458,774 A1995
- Medical drug formulation and delivery system and reverse osmosis purification device88US 5,352,364 AAbbott Laboratories · 1994
- Spiral-wound membrane separation device with feed and permeate/sweep fluid flow control73US 5,096,584 AThe Dow Chemical Company · 1992