B01D 2258/0208
From fuel cells
Official title: from fuel cells
B01D2258/0208 (From fuel cells) appears on 129 US grants and 183 published applications in this corpus.
Search patents in B01D- Granted patents
- 129
- Published applications
- 183
- Assignees
- 106
- Inventors
- 453
- Latest grant
- 30 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 12 |
| 2003 | 6 | 12 |
| 2004 | 11 | 8 |
| 2005 | 6 | 18 |
| 2006 | 7 | 14 |
| 2007 | 1 | 19 |
| 2008 | 10 | 6 |
| 2009 | 7 | 7 |
| 2010 | 9 | 8 |
| 2011 | 5 | 9 |
| 2012 | 8 | 5 |
| 2013 | 6 | 1 |
| 2014 | 4 | 2 |
| 2015 | 3 | 2 |
| 2016 | 2 | 4 |
| 2017 | 3 | 4 |
| 2018 | 3 | 6 |
| 2019 | 3 | 2 |
| 2020 | 3 | 5 |
| 2021 | 4 | 3 |
| 2022 | 5 | 7 |
| 2023 | 5 | 10 |
| 2024 | 4 | 7 |
| 2025 | 2 | 5 |
| 2026 | 3 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Boil-off management system30 Jun 2026US 12,669,222 B2MAGNA Energy Storage Systems GesmbH
- Fuel cell humidifier5 May 2026US 12,620,608 B2Kolon Industries, Inc.
- Four-fluid bipolar plate for fuel cell17 Feb 2026US 12,555,804 B2Nimbus Power Systems, Inc.
- CO2 utilization for co production via fuel cell enabled by CO2-selective membrane21 Oct 2025US 12,447,436 B2Ohio State Innovation Foundation
- Systems and methods for recovery of substances from molten salt electrolysis15 Jul 2025US 12,357,945 B2Phoenix Tailings, Inc.
- Co2 capture and hydrogen recovery from fuel cell anode off gas8 Oct 2026US 2026/0312104 A1Uop LLC
- Carbon dioxide separation plant using external refrigeration circuit, and method13 Aug 2026US 2026/0235355 A1Nuovo Pignone Tecnologie Srl
- Assembly and method for using an exchange-membrane fuel cell and an acid-capture device13 Aug 2026US 2026/0237703 A1Safran Power Units
- Bipolar plate for electrochemical device23 Jul 2026US 2026/0213230 A1Nimbus Power Systems, Inc.
- System for cleaning exhaust of fuel cell system and filtration cartridge23 Jul 2026US 2026/0213237 A1Mann+Hummel GmbH
Most cited
By later US patents
- Microcomponent assembly for efficient contacting of fluid191US 6,126,723 ABattelle Memorial Institute · 2000
- Rotary pressure swing adsorption apparatus181US 6,406,523 B1QuestAir Technologies Inc. · 2002
- Methods and apparatuses for gas separation by pressure swing adsorption with partial gas product feed to fuel cell power source139US 6,866,950 B2QuestAir Technologies Inc. · 2005
- Extraction and concentration of a gas component117US 5,082,473 A1992
- Pressure swing adsorption for concentration of a gas component102US 4,968,329 A1990