H01M 8/04164
By condensers, gas-liquid separators or filters
Official title: {by condensers, gas-liquid separators or filters}
H01M8/04164 (By condensers, gas-liquid separators or filters) appears on 569 US grants and 961 published applications in this corpus.
Search patents in H01M- Granted patents
- 569
- Published applications
- 961
- Assignees
- 279
- Inventors
- 1,759
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 3 | 0 |
| 2002 | 2 | 13 |
| 2003 | 4 | 18 |
| 2004 | 9 | 16 |
| 2005 | 9 | 40 |
| 2006 | 10 | 43 |
| 2007 | 14 | 55 |
| 2008 | 11 | 45 |
| 2009 | 21 | 42 |
| 2010 | 26 | 47 |
| 2011 | 32 | 39 |
| 2012 | 33 | 24 |
| 2013 | 29 | 29 |
| 2014 | 22 | 32 |
| 2015 | 20 | 25 |
| 2016 | 17 | 36 |
| 2017 | 32 | 22 |
| 2018 | 18 | 36 |
| 2019 | 28 | 36 |
| 2020 | 34 | 47 |
| 2021 | 39 | 43 |
| 2022 | 39 | 46 |
| 2023 | 49 | 57 |
| 2024 | 22 | 51 |
| 2025 | 24 | 76 |
| 2026 | 21 | 43 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Fuel cell system including ejector6 Oct 2026US 12,755,990 B2Versa Power Systems, Ltd.
- Fuel-cell exhaust system6 Oct 2026US 12,755,991 B2Purem GmbH
- Gas conveying unit, system consisting of a gas conveying unit and a water separating device, and fuel cell system15 Sep 2026US 12,738,513 B2Robert Bosch GmbH
- Hydrogen fuel cell exhaust system1 Sep 2026US 12,725,814 B2HyTech Power, LLC
- Gas management apparatus, and method for conditioning anode gas of a fuel cell11 Aug 2026US 12,704,222 B2Hengst GmbH & Co. KG
- Fuel cell system with improved humidifier8 Oct 2026US 2026/0312088 A1Plastic Omnium New Energies France
- Liquid separator device and method of use1 Oct 2026US 2026/0295485 A1Pall Corporation
- Gas-liquid separation device and fuel cell system1 Oct 2026US 2026/0302281 A1Honda Motor Co., Ltd.
- System and method for processing syngas from fuel cell system exhaust1 Oct 2026US 2026/0302297 A1Bloom Energy Corporation
- Liquid separator device and method of use24 Sep 2026US 2026/0284563 A1Pall Corporation
Most cited
By later US patents
- Process and system for converting carbonaceous feedstocks into energy without greenhouse gas emissions283US 6,187,465 B12001
- Patient interface assembly and system using same142US 7,357,136 B2RIC Investments, LLC · 2008
- High temperature fuel cell system and method of operating same76US 7,422,810 B2Bloom Energy Corporation · 2008
- Process and system for converting carbonaceous feedstocks into energy without greenhouse gas emissions66US 7,220,502 B2Intellergy, Inc. · 2007
- Integrated fuel cell and heat engine hybrid system for high efficiency power generation54US 7,862,938 B2FuelCell Energy, Inc. · 2011