H01M 2250/30
Fuel cells in portable systems
Official title: Fuel cells in portable systems, e.g. mobile phone, laptop
H01M2250/30 (Fuel cells in portable systems) appears on 471 US grants and 795 published applications in this corpus.
Search patents in H01M- Granted patents
- 471
- Published applications
- 795
- Assignees
- 284
- Inventors
- 1,403
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2001 | 2 | 0 |
| 2002 | 1 | 9 |
| 2003 | 2 | 18 |
| 2004 | 11 | 35 |
| 2005 | 7 | 64 |
| 2006 | 13 | 87 |
| 2007 | 17 | 98 |
| 2008 | 17 | 58 |
| 2009 | 27 | 61 |
| 2010 | 48 | 55 |
| 2011 | 59 | 34 |
| 2012 | 34 | 26 |
| 2013 | 18 | 20 |
| 2014 | 30 | 32 |
| 2015 | 33 | 43 |
| 2016 | 25 | 35 |
| 2017 | 25 | 25 |
| 2018 | 19 | 21 |
| 2019 | 16 | 13 |
| 2020 | 17 | 7 |
| 2021 | 12 | 11 |
| 2022 | 9 | 16 |
| 2023 | 8 | 4 |
| 2024 | 8 | 7 |
| 2025 | 8 | 8 |
| 2026 | 5 | 8 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Electrode binder for biofuel cell6 Oct 2026US 12,755,985 B2Resonac Corporation
- Heterogeneously integrated liquid electrolyte powered processor11 Aug 2026US 12,707,972 B2Microsoft Technology Licensing, LLC
- Bolt fastened fuel assembly for biofuels23 Jun 2026US 12,665,211 B2Imam Abdulrahman Bin Faisal University
- Generating power from recycled hydrocarbon gas7 Apr 2026US 12,597,623 B2Saudi Arabian Oil Company
- Hybrid thermoplastic composites for power tools and power tool components24 Mar 2026US 12,583,092 B2Milwaukee Electric Tool Corporation
- Closed-Loop Magnesium Galvanic Power Generation System with Hydrogen Capture8 Oct 2026US 2026/0312099 A1Dmag USA
- Hybrid Thermoplastic Composites for Power Tools and Power Tool Components2 Jul 2026US 2026/0183927 A1Milwaukee Electric Tool Corporation
- Hydrogen generation apparatus and information management system16 Apr 2026US 2026/0106196 A1Canon Kabushiki Kaisha
- Fuel Cell Powered Vaporizer Device5 Mar 2026US 2026/0060300 A1JUUL Labs, Inc.
- High efficiency micro-power generator for portable applications5 Mar 2026US 2026/0066321 A1Arizona Board of Regents on behalf of Arizona State University
Most cited
By later US patents
- Biological fuel cell and method434US 6,294,281 B1TheraSense, Inc. · 2001
- Power supply system and electronic device196US 7,538,451 B2Sony Corporation · 2009
- Fuel supply device and fuel supply system116US 7,674,536 B2Nokia Corporation · 2010
- Fuel system using redox flow battery108US 8,778,552 B224M Technologies, Inc. · 2014
- Fuel system using redox flow battery103US 9,293,781 B224M Technologies, Inc. · 2016