H01M 8/04141
By water containing exhaust gases
Official title: {by water containing exhaust gases}
H01M8/04141 (By water containing exhaust gases) appears on 363 US grants and 594 published applications in this corpus.
Search patents in H01M- Granted patents
- 363
- Published applications
- 594
- Assignees
- 153
- Inventors
- 1,035
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 4 | 2 |
| 2002 | 2 | 8 |
| 2003 | 3 | 14 |
| 2004 | 4 | 9 |
| 2005 | 3 | 26 |
| 2006 | 9 | 12 |
| 2007 | 8 | 30 |
| 2008 | 7 | 37 |
| 2009 | 12 | 28 |
| 2010 | 17 | 35 |
| 2011 | 24 | 32 |
| 2012 | 26 | 23 |
| 2013 | 22 | 16 |
| 2014 | 28 | 20 |
| 2015 | 18 | 21 |
| 2016 | 8 | 15 |
| 2017 | 14 | 27 |
| 2018 | 19 | 14 |
| 2019 | 16 | 16 |
| 2020 | 16 | 21 |
| 2021 | 15 | 24 |
| 2022 | 18 | 25 |
| 2023 | 25 | 34 |
| 2024 | 11 | 50 |
| 2025 | 15 | 31 |
| 2026 | 17 | 24 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Humidifying device having channel plates and channel plate for humidifying device25 Aug 2026US 12,719,067 B2Mann+Hummel GmbH
- Fuel cell system and condensate water storage device4 Aug 2026US 12,700,600 B2Hyundai Motor Company
- Humidifier for fuel cell14 Jul 2026US 12,683,173 B2Aisin Corporation
- Automatic flow rate control cartridge and fuel cell membrane humidifier comprising same23 Jun 2026US 12,665,207 B2Kolon Industries, Inc.
- Humidifier2 Jun 2026US 12,646,728 B2Aisin Corporation
- Fuel cell system with improved humidifier8 Oct 2026US 2026/0312088 A1Plastic Omnium New Energies France
- Humidification system and fuel cell system17 Sep 2026US 2026/0279856 A1Honda Motor Co., Ltd.
- Packing unit for fuel cell humidifier, and fuel cell humidifier3 Sep 2026US 2026/0260911 A1Kolon Industries, Inc.
- Mid-case of fuel cell humidifier and fuel cell humidifier27 Aug 2026US 2026/0253924 A1Kolon Industries, Inc.
- Expander for a fuel cell system13 Aug 2026US 2026/0237695 A1Hyundai Motor Company
Most cited
By later US patents
- Surface replica fuel cell for micro fuel cell electrical power pack208US 5,759,712 A1998
- Proton exchange membrane fuel cell power system111US 6,030,718 AAvista Corporation · 2000
- Plate and frame fluid exchanging assembly with unitary plates and seals102US 6,171,374 B2Ballard Power Systems Inc. · 2001
- Textured electrolyte for a solid oxide fuel cell70US 7,045,237 B2Ion America Corporation · 2006
- Load matched power generation system including a solid oxide fuel cell and a heat pump and an optional turbine64US 7,067,208 B2Ion America Corporation · 2006