H01M 8/04201
Reactant storage and supply
Official title: {Reactant storage and supply, e.g. means for feeding, pipes}
H01M8/04201 (Reactant storage and supply) appears on 2,780 US grants and 4,521 published applications in this corpus.
Search patents in H01M- Granted patents
- 2,780
- Published applications
- 4,521
- Assignees
- 1,132
- Inventors
- 6,961
- Latest grant
- 6 Oct 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 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 11 | 4 |
| 2002 | 4 | 35 |
| 2003 | 19 | 66 |
| 2004 | 25 | 133 |
| 2005 | 39 | 165 |
| 2006 | 61 | 212 |
| 2007 | 67 | 239 |
| 2008 | 73 | 247 |
| 2009 | 89 | 253 |
| 2010 | 141 | 226 |
| 2011 | 144 | 162 |
| 2012 | 134 | 131 |
| 2013 | 122 | 141 |
| 2014 | 133 | 158 |
| 2015 | 115 | 185 |
| 2016 | 105 | 182 |
| 2017 | 150 | 177 |
| 2018 | 128 | 176 |
| 2019 | 184 | 155 |
| 2020 | 162 | 179 |
| 2021 | 140 | 172 |
| 2022 | 168 | 224 |
| 2023 | 182 | 258 |
| 2024 | 135 | 247 |
| 2025 | 137 | 201 |
| 2026 | 106 | 193 |
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.
- Method and system for estimating flight time of a hydrogen fuel cell UAV29 Sep 2026US 12,746,825 B2Industrial Technology Research Institute
- Fuel cell vehicle including a protected component22 Sep 2026US 12,744,228 B2Subaru Corporation
- Gas supply system15 Sep 2026US 12,738,517 B2Toyota Jidosha Kabushiki Kaisha
- Hydrogen station, control unit for hydrogen station, and program for hydrogen station8 Sep 2026US 12,729,446 B2Yazaki Corporation
- 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
- Fluid connector structure and hydrogen line for fuel cell8 Oct 2026US 2026/0312086 A1Nifco Inc.
- Ai driven vfd control for securing membrane in flow batteries8 Oct 2026US 2026/0312097 A1ViZn Energy Systems, Inc.
- Tank support assembly for hydrogen storage system and fuel cell electric vehicle including same1 Oct 2026US 2026/0296180 A1American Honda Motor Co., Inc.
- Automatically openable and closable overpressure hydrogen discharge apparatus for hydrogen electric vehicle1 Oct 2026US 2026/0298412 A1Hyundai Motor Company
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
- Surface replica fuel cell for micro fuel cell electrical power pack208US 5,759,712 A1998
- Solid oxide fuel cell stack156US 7,465,512 B2ROLLS-ROYCE plc · 2008
- Hydrocarbon fuelled fuel cell power system131US 5,527,632 ARolls-Royce and Associates Limited · 1996
- Fuel supply device and fuel supply system116US 7,674,536 B2Nokia Corporation · 2010