H01M 2250/402
Combination of fuel cell with other electric generators
H01M2250/402 (Combination of fuel cell with other electric generators) appears on 215 US grants and 365 published applications in this corpus.
Search patents in H01M- Granted patents
- 215
- Published applications
- 365
- Assignees
- 187
- Inventors
- 856
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 3 | 4 |
| 2003 | 1 | 7 |
| 2004 | 4 | 12 |
| 2005 | 6 | 12 |
| 2006 | 6 | 10 |
| 2007 | 7 | 13 |
| 2008 | 8 | 11 |
| 2009 | 6 | 14 |
| 2010 | 6 | 13 |
| 2011 | 10 | 10 |
| 2012 | 9 | 13 |
| 2013 | 13 | 8 |
| 2014 | 7 | 11 |
| 2015 | 5 | 22 |
| 2016 | 6 | 14 |
| 2017 | 16 | 19 |
| 2018 | 13 | 20 |
| 2019 | 17 | 4 |
| 2020 | 13 | 14 |
| 2021 | 3 | 8 |
| 2022 | 13 | 11 |
| 2023 | 7 | 12 |
| 2024 | 7 | 20 |
| 2025 | 14 | 43 |
| 2026 | 8 | 40 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Electric energy managing system and method thereof29 Sep 2026US 12,746,853 B2Industrial Technology Research Institute
- Photovoltaic power generation systems and methods regarding same8 Sep 2026US 12,732,131 B2Brilliant Light Power, Inc.
- Outlet power architecture for vehicle1 Sep 2026US 12,722,496 B2GM Global Technology Operations LLC
- Power net apparatus of a fuel cell and control method thereof14 Jul 2026US 12,679,229 B2Hyundai Motor Company
- Predictive freeze preparation scheduling for fuel cell propulsion system7 Jul 2026US 12,676,326 B2Ford Global Technologies, LLC
- Wall element, especially for a safe chamber, as well as a safe chamber, an aircraft component and an aircraft equipped therewith8 Oct 2026US 2026/0307817 A1
- Fuel cell system8 Oct 2026US 2026/0312094 A1Aisan Kogyo Kabushiki Kaisha
- Fuel cell control system24 Sep 2026US 2026/0290862 A1Honda Motor Co., Ltd.
- Fuel cell system and control method thereof17 Sep 2026US 2026/0279862 A1Honda Motor Co., Ltd.
- Work vehicle10 Sep 2026US 2026/0268713 A1Kubota Corporation
Most cited
By later US patents
- Modular hybrid low emissions power for hydrocarbon extraction229US 10,008,880 B2BJ Services Company · 2018
- Method and system for supplying hydrogen for use in fuel cells190US 6,348,278 B1Mobil Oil Corporation · 2002
- Energy supply system for optimizing energy cost, energy consumption and emission of pollutants187US 5,432,710 AOsaka Gas Co., Ltd. · 1995
- Hybrid electrical power system114US 5,968,680 AAlliedSignal Inc. · 1999
- Off-board station and an electricity exchanging system suitable for use with a mobile vehicle power system114US 6,380,637 B1Ztek Corporation · 2002