B01D 63/107
Specific properties of the central tube or the permeate channel
Official title: {Specific properties of the central tube or the permeate channel}
B01D63/107 (Specific properties of the central tube or the permeate channel) appears on 156 US grants and 208 published applications in this corpus.
Search patents in B01D- Granted patents
- 156
- Published applications
- 208
- Assignees
- 126
- Inventors
- 479
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 4 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 4 | 0 |
| 1992 | 4 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 0 |
| 2003 | 2 | 2 |
| 2004 | 1 | 5 |
| 2005 | 1 | 5 |
| 2006 | 0 | 2 |
| 2007 | 2 | 7 |
| 2008 | 5 | 6 |
| 2009 | 2 | 9 |
| 2010 | 3 | 5 |
| 2011 | 6 | 8 |
| 2012 | 5 | 8 |
| 2013 | 3 | 8 |
| 2014 | 6 | 5 |
| 2015 | 4 | 10 |
| 2016 | 2 | 10 |
| 2017 | 8 | 14 |
| 2018 | 7 | 11 |
| 2019 | 11 | 20 |
| 2020 | 8 | 17 |
| 2021 | 13 | 11 |
| 2022 | 9 | 13 |
| 2023 | 5 | 7 |
| 2024 | 4 | 12 |
| 2025 | 10 | 6 |
| 2026 | 7 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Composite semipermeable membrane, spiral membrane element, water treatment system, and water treatment method18 Aug 2026US 12,708,880 B2Nitto Denko Corporation
- Apparatus and method for oxygen and carbon dioxide enrichment of atmospheric air16 Jun 2026US 12,654,127 B1Black Swan, LLC
- Crystallization of salts from high pressure reverse osmosis concentrate16 Jun 2026US 12,655,040 B2Saltworks Technologies Inc.
- Compact spiral-wound filter elements, modules and systems26 May 2026US 12,636,617 B2EMD Millipore Corporation
- Systems and methods for treatment of elevated organic content streams26 May 2026US 12,636,620 B2Spinovo LLC
- Compact spiral-wound filter elements, modules and systems24 Sep 2026US 2026/0284600 A1EMD Millipore Corporation
- Spiral membrane element and mechanical device for recovering members thereof25 Jun 2026US 2026/0175178 A1Nitto Denko Corporation
- Apparatus and Method for Oxygen and Carbon Dioxide Enrichment of Atmospheric Air18 Jun 2026US 2026/0166477 A1Black Swan, LLC
- Spiral membrane element28 May 2026US 2026/0145138 A1Nitto Denko Corporation
- High pressure spiral wound membrane module5 Mar 2026US 2026/0061372 A1Bl Technologies, Inc.
Most cited
By later US patents
- Quick-change filter cartridge and head therefor175US 4,735,716 ACuno Corporated · 1988
- Spiral wound element for separation120US 5,275,726 AExxon Research & Engineering Co. · 1994
- Cell culture apparatus114US 5,079,168 AEndotronics, Inc. · 1992
- High recovery spiral wound membrane element94US 4,855,058 AHydranautics · 1989
- Back-flushable spiral wound filter and methods of making and using same81US 6,755,970 B1TriSep Corporation · 2004