B01D 2053/221
Devices
Official title: {Devices}
B01D2053/221 (Devices) appears on 524 US grants and 703 published applications in this corpus.
Search patents in B01D- Granted patents
- 524
- Published applications
- 703
- Assignees
- 338
- Inventors
- 1,352
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 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 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 2 |
| 2011 | 0 | 2 |
| 2012 | 0 | 4 |
| 2013 | 1 | 7 |
| 2014 | 5 | 32 |
| 2015 | 15 | 74 |
| 2016 | 45 | 73 |
| 2017 | 64 | 63 |
| 2018 | 66 | 47 |
| 2019 | 39 | 59 |
| 2020 | 33 | 59 |
| 2021 | 45 | 60 |
| 2022 | 58 | 46 |
| 2023 | 40 | 30 |
| 2024 | 33 | 50 |
| 2025 | 47 | 44 |
| 2026 | 32 | 51 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Mixed gas separation method and mixed gas separation apparatus22 Sep 2026US 12,741,246 B2NGK Insulators, Ltd.
- Dual-layer hollow fiber membranes and methods of making and use22 Sep 2026US 12,741,269 B2The Regents of the University of Michigan
- Gas separation system and method for producing methane-enriched gas15 Sep 2026US 12,734,474 B2Ube Corporation
- Carbon dioxide separation, collection, and utilization system and carbon dioxide separation, collection, and utilization method15 Sep 2026US 12,735,370 B2Research Institute of Innovative Technology for the Earth
- CO2 separation systems and methods25 Aug 2026US 12,714,970 B2Carbonquest, Inc.
- Hollow fiber membrane module8 Oct 2026US 2026/0307014 A1Nok Corporation
- Steam-Hydrocarbon Reforming with Reduced Carbon Dioxide Emissions8 Oct 2026US 2026/0307987 A1Air Products and Chemicals, Inc.
- 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.
- Hollow fiber membranes comprising a poly(aryl ether sulfone) and a water-soluble polymer additive1 Oct 2026US 2026/0295540 A1BASF SE
Most cited
By later US patents
- Fuel tank inerting system71US 4,556,180 AThe Garrett Corporation · 1985
- Fuel deoxygenation and fuel tank inerting system and method57US 9,687,773 B2Honeywell International Inc. · 2017
- Humidifier for a fuel cell33US 8,968,945 B2Mann+Hummel GmbH · 2015
- Methods and systems for turbulent, corrosion resistant heat exchangers29US 9,101,874 B27AC Technologies, Inc. · 2015
- Reduced-pressure medical systems and methods employing a moisture processing device25US 8,403,902 B2KCI Licensing, Inc. · 2013