H01M 8/04156
With product water removal
Official title: {with product water removal}
H01M8/04156 (With product water removal) appears on 1,601 US grants and 2,276 published applications in this corpus.
Search patents in H01M- Granted patents
- 1,601
- Published applications
- 2,276
- Assignees
- 539
- Inventors
- 3,764
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 9 | 0 |
| 1977 | 5 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 8 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 4 | 0 |
| 1994 | 5 | 0 |
| 1995 | 5 | 0 |
| 1996 | 4 | 0 |
| 1997 | 6 | 0 |
| 1998 | 13 | 0 |
| 1999 | 9 | 0 |
| 2000 | 15 | 0 |
| 2001 | 26 | 16 |
| 2002 | 39 | 69 |
| 2003 | 40 | 80 |
| 2004 | 41 | 84 |
| 2005 | 40 | 122 |
| 2006 | 45 | 125 |
| 2007 | 37 | 130 |
| 2008 | 49 | 117 |
| 2009 | 60 | 124 |
| 2010 | 98 | 109 |
| 2011 | 76 | 88 |
| 2012 | 76 | 69 |
| 2013 | 63 | 62 |
| 2014 | 66 | 77 |
| 2015 | 58 | 77 |
| 2016 | 57 | 81 |
| 2017 | 67 | 61 |
| 2018 | 52 | 78 |
| 2019 | 78 | 71 |
| 2020 | 75 | 89 |
| 2021 | 75 | 77 |
| 2022 | 74 | 80 |
| 2023 | 84 | 100 |
| 2024 | 44 | 102 |
| 2025 | 47 | 106 |
| 2026 | 36 | 82 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Hybrid hydrogen fuel cell combustor power system6 Oct 2026US 12,755,989 B2Caterpillar Inc.
- 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
- Fuel cell system and exhaust gas treatment device15 Sep 2026US 12,738,512 B2Hyundai Moto Company
- 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
- Fuel cell system with improved humidifier8 Oct 2026US 2026/0312088 A1Plastic Omnium New Energies France
- Device for filtering ambient air8 Oct 2026US 2026/0312089 A1Cellcentric GmbH & Co. KG
- Fuel cell system and purging method for inerting a fuel cell system8 Oct 2026US 2026/0312091 A1
- 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.
Most cited
By later US patents
- Process and system for converting carbonaceous feedstocks into energy without greenhouse gas emissions283US 6,187,465 B12001
- Surface replica fuel cell for micro fuel cell electrical power pack208US 5,759,712 A1998
- Method and system for supplying hydrogen for use in fuel cells190US 6,348,278 B1Mobil Oil Corporation · 2002
- Electrochemical fuel cell system with a regulated vacuum ejector for recirculation of the fluid fuel stream173US 5,441,821 ABallard Power Systems Inc. · 1995
- Hydrocarbon fueled solid polymer fuel cell electric power generation system168US 5,360,679 ABallard Power Systems Inc. · 1994