H01M 8/04216
Characterised by the choice for a specific material
Official title: {characterised by the choice for a specific material, e.g. carbon, hydride, absorbent}
H01M8/04216 (Characterised by the choice for a specific material) appears on 497 US grants and 778 published applications in this corpus.
Search patents in H01M- Granted patents
- 497
- Published applications
- 778
- Assignees
- 376
- Inventors
- 1,517
- Latest grant
- 30 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 3 | 0 |
| 2002 | 3 | 9 |
| 2003 | 6 | 12 |
| 2004 | 9 | 39 |
| 2005 | 7 | 43 |
| 2006 | 19 | 39 |
| 2007 | 16 | 58 |
| 2008 | 15 | 56 |
| 2009 | 23 | 63 |
| 2010 | 32 | 57 |
| 2011 | 36 | 39 |
| 2012 | 39 | 37 |
| 2013 | 36 | 31 |
| 2014 | 34 | 24 |
| 2015 | 27 | 36 |
| 2016 | 23 | 20 |
| 2017 | 21 | 16 |
| 2018 | 15 | 25 |
| 2019 | 21 | 22 |
| 2020 | 19 | 19 |
| 2021 | 18 | 20 |
| 2022 | 14 | 23 |
| 2023 | 21 | 21 |
| 2024 | 19 | 24 |
| 2025 | 13 | 22 |
| 2026 | 6 | 23 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Contaminated hydrogen gas composition and its use as a reference for hydrogen fuels30 Jun 2026US 12,668,486 B2Npl Management Limited
- Sealing apparatus9 Jun 2026US 12,649,848 B2Nok Corporation
- 3D printed hydrogen storage systems using non-pyrophoric hydrogen storage alloys2 Jun 2026US 12,644,168 B2Sesame Solar, Inc.
- Hydrogen fuel cell cooling10 Mar 2026US 12,573,644 B2Caterpillar Inc.
- Heterogeneous hydrogen-catalyst solid fuel reaction mixture and reactor3 Feb 2026US 12,540,073 B2Brilliant Light Power, Inc.
- Hydrogen storage material and fuel cell containing the same17 Sep 2026US 2026/0279868 A1
- Fuel cell system and vehicle3 Sep 2026US 2026/0260912 A1Toyota Jidosha Kabushiki Kaisha
- Wing tank vaporizer for solid oxide fuel cell on unmanned aircraft27 Aug 2026US 2026/0250009 A1Lockheed Martin Corporation
- Fuel cell system6 Aug 2026US 2026/0229560 A1Toyota Boshoku Kabushiki Kaisha
- System for solid-state electricity storage and solid-state electricity generation6 Aug 2026US 2026/0229568 A1
Most cited
By later US patents
- Free-standing and aligned carbon nanotubes and synthesis thereof254US 6,863,942 B2The Research Foundation of State University of New York · 2005
- Hydrocarbon fuelled fuel cell power system131US 5,527,632 ARolls-Royce and Associates Limited · 1996
- Hydrogen storage, distribution, and recovery system107US 7,169,489 B2FuelSell Technologies, Inc. · 2007
- Fuel cell manufacturing method and fuel cell95US 7,611,795 B2Toyota Jidosha Kabushiki Kaisha · 2009
- High surface area carbon and process for its production74US 8,926,932 B2The Curators of the University of Missouri · 2015