B01D 2313/26
Specific gas distributors or gas intakes
B01D2313/26 (Specific gas distributors or gas intakes) appears on 186 US grants and 296 published applications in this corpus.
Search patents in B01D- Granted patents
- 186
- Published applications
- 296
- Assignees
- 146
- Inventors
- 520
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 1 |
| 2002 | 0 | 1 |
| 2003 | 3 | 2 |
| 2004 | 2 | 5 |
| 2005 | 2 | 7 |
| 2006 | 2 | 6 |
| 2007 | 3 | 8 |
| 2008 | 1 | 9 |
| 2009 | 1 | 7 |
| 2010 | 4 | 18 |
| 2011 | 6 | 14 |
| 2012 | 4 | 15 |
| 2013 | 9 | 25 |
| 2014 | 12 | 11 |
| 2015 | 5 | 15 |
| 2016 | 10 | 23 |
| 2017 | 13 | 16 |
| 2018 | 15 | 16 |
| 2019 | 15 | 10 |
| 2020 | 13 | 20 |
| 2021 | 9 | 11 |
| 2022 | 7 | 6 |
| 2023 | 13 | 13 |
| 2024 | 10 | 15 |
| 2025 | 11 | 15 |
| 2026 | 8 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Reciprocating concentration system1 Sep 2026US 12,722,122 B2Industrial Technology Research Institute
- Flow-electrode cartridge unit and submerged flow-electrode capacitive deionization device using same4 Aug 2026US 12,697,588 B2Korea University Research and Business Foundation
- Hollow fiber membrane module21 Jul 2026US 12,685,967 B2Nok Corporation
- Humidifier system for fuel cell31 Mar 2026US 12,592,403 B2Kolon Industries, Inc.
- Process for water treatment using immersed gas transfer membranes17 Mar 2026US 12,577,137 B2Bl Technologies, Inc.
- Aeration system for defouling one or more liquid-filtration membranes16 Jul 2026US 2026/0199840 A1
- Floating apparatus for membrane biofilm reactor and process for water treatment25 Jun 2026US 2026/0176180 A1Bl Technologies, Inc.
- Hollow fiber membrane module16 Apr 2026US 2026/0102741 A1Nok Corporation
- Hollow fiber membrane module2 Apr 2026US 2026/0091358 A1Nok Corporation
- Hollow fiber membrane module26 Mar 2026US 2026/0084113 A1Nok Corporation
Most cited
By later US patents
- Vertical skein of hollow fiber membranes and method of maintaining clean fiber surfaces while filtering a substrate to withdraw a permeate200US 5,639,373 AZenon Environmental Inc. · 1997
- Vertical cylindrical skein of hollow fiber membranes and method of maintaining clean fiber surfaces191US 5,783,083 AZenon Environmental Inc. · 1998
- Hollow fiber filter device156US 4,876,006 AEbara Corporation · 1989
- Installation for making water potable with submerged filtering membranes156US 5,607,593 AOTV Omnium De Trajtements et de Valorisation S.A. · 1997
- Cyclic aeration system for submerged membrane modules132US 6,245,239 B1Zenon Environmental Inc. · 2001