H01M 2250/00
Fuel cells for particular applications
Official title: Fuel cells for particular applications; Specific features of fuel cell system
H01M2250/00 (Fuel cells for particular applications) appears on 5,059 US grants and 7,578 published applications in this corpus.
Search patents in H01M- Granted patents
- 5,059
- Published applications
- 7,578
- Assignees
- 1,423
- Inventors
- 10,503
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 4 | 0 |
| 1995 | 4 | 0 |
| 1996 | 3 | 0 |
| 1997 | 9 | 0 |
| 1998 | 9 | 0 |
| 1999 | 13 | 0 |
| 2000 | 18 | 0 |
| 2001 | 35 | 19 |
| 2002 | 32 | 102 |
| 2003 | 55 | 120 |
| 2004 | 60 | 162 |
| 2005 | 66 | 205 |
| 2006 | 86 | 237 |
| 2007 | 89 | 280 |
| 2008 | 88 | 235 |
| 2009 | 101 | 257 |
| 2010 | 154 | 273 |
| 2011 | 187 | 177 |
| 2012 | 173 | 184 |
| 2013 | 167 | 205 |
| 2014 | 204 | 261 |
| 2015 | 179 | 397 |
| 2016 | 217 | 441 |
| 2017 | 285 | 393 |
| 2018 | 297 | 368 |
| 2019 | 349 | 313 |
| 2020 | 356 | 337 |
| 2021 | 289 | 360 |
| 2022 | 353 | 465 |
| 2023 | 358 | 540 |
| 2024 | 265 | 451 |
| 2025 | 325 | 454 |
| 2026 | 226 | 342 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Fuel cell vehicle with differential pressure flow meter for humidity measurement6 Oct 2026US 12,752,667 B2Ford Global Technologies, LLC
- Fuel cell vehicle and controlling method thereof6 Oct 2026US 12,752,668 B2Hyundai Motor Company
- Electrode binder for biofuel cell6 Oct 2026US 12,755,985 B2Resonac Corporation
- Reactant-transport engineering for high-power direct liquid-fuel/oxidant fuel cells6 Oct 2026US 12,755,987 B2Washington University
- Fuel-cell exhaust system6 Oct 2026US 12,755,991 B2Purem GmbH
- Advanced power electronic circuit for fuel cell vehicles enabling independent cooling of various systems8 Oct 2026US 2026/0307542 A1Ford 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
- Purge air sealing valve8 Oct 2026US 2026/0309238 A1GM Global Technology Operations LLC
- Method for manufacturing a catalyst layer, and such a layer, as well as a fuel cell module, assembly, power unit, and vehicle incorporating the same8 Oct 2026US 2026/0312079 A1
- Fluid connector structure and hydrogen line for fuel cell8 Oct 2026US 2026/0312086 A1Nifco Inc.
Most cited
By later US patents
- Biological fuel cell and method434US 6,294,281 B1TheraSense, Inc. · 2001
- Process and system for converting carbonaceous feedstocks into energy without greenhouse gas emissions283US 6,187,465 B12001
- Apparatus and method for heating subterranean formations using fuel cells241US 6,684,948 B12004
- Modular hybrid low emissions power for hydrocarbon extraction229US 10,008,880 B2BJ Services Company · 2018
- Power supply system and electronic device196US 7,538,451 B2Sony Corporation · 2009