B01D 53/226
In serial connexion
Official title: {in serial connexion}
B01D53/226 (In serial connexion) appears on 339 US grants and 368 published applications in this corpus.
Search patents in B01D- Granted patents
- 339
- Published applications
- 368
- Assignees
- 196
- Inventors
- 834
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 4 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 4 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 6 | 0 |
| 1991 | 3 | 0 |
| 1992 | 4 | 0 |
| 1993 | 6 | 0 |
| 1994 | 7 | 0 |
| 1995 | 11 | 0 |
| 1996 | 5 | 0 |
| 1997 | 4 | 0 |
| 1998 | 4 | 0 |
| 1999 | 7 | 0 |
| 2000 | 7 | 0 |
| 2001 | 5 | 1 |
| 2002 | 5 | 2 |
| 2003 | 4 | 1 |
| 2004 | 3 | 5 |
| 2005 | 1 | 1 |
| 2006 | 1 | 4 |
| 2007 | 0 | 4 |
| 2008 | 1 | 3 |
| 2009 | 3 | 0 |
| 2010 | 1 | 8 |
| 2011 | 5 | 8 |
| 2012 | 3 | 9 |
| 2013 | 8 | 11 |
| 2014 | 8 | 12 |
| 2015 | 6 | 15 |
| 2016 | 10 | 16 |
| 2017 | 13 | 27 |
| 2018 | 15 | 23 |
| 2019 | 23 | 23 |
| 2020 | 15 | 27 |
| 2021 | 16 | 32 |
| 2022 | 27 | 26 |
| 2023 | 17 | 25 |
| 2024 | 16 | 25 |
| 2025 | 32 | 32 |
| 2026 | 16 | 28 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Gas separation system and method for producing methane-enriched gas15 Sep 2026US 12,734,474 B2Ube Corporation
- Membrane permeate recycle with pressurized anaerobic digesters15 Sep 2026US 12,734,475 B2L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- System and method for separating a gas mixture25 Aug 2026US 12,714,968 B2Haffmans B.V.
- CO2 separation systems and methods25 Aug 2026US 12,714,970 B2Carbonquest, Inc.
- Systems for pyrolyzing methane28 Jul 2026US 12,692,153 B1Plan Beta LLC
- Filter assembly for a therapeutic gas delivery device1 Oct 2026US 2026/0295513 A1Mallinckrodt Pharmaceuticals Ireland Limited
- Gas separation membrane module assembly1 Oct 2026US 2026/0295535 A1Honda Motor Co., Ltd.
- Carbon dioxide separation device10 Sep 2026US 2026/0263998 A1Honda Motor Co., Ltd.
- Carbon dioxide separation device10 Sep 2026US 2026/0263999 A1Honda Motor Co., Ltd.
- Carbon dioxide separation device10 Sep 2026US 2026/0264000 A1Honda Motor Co., Ltd.
Most cited
By later US patents
- Composite hydrogen separation element and module185US 5,498,278 ABend Research, Inc. · 1996
- Composite hydrogen separation element and module164US 5,645,626 ABend Research, Inc. · 1997
- Fluid separation apparatus143US 4,451,369 AToyo Boseki Kabushiki Kaisha · 1984
- Process for separating components of a gas stream137US 4,701,187 AAir Products and Chemicals, Inc. · 1987
- Composite hydrogen separation metal membrane129US 5,393,325 ABend Research, Inc. · 1995