H01M 8/04925
Power, energy, capacity or load
Official title: {Power, energy, capacity or load}
H01M8/04925 (Power, energy, capacity or load) appears on 1,040 US grants and 1,523 published applications in this corpus.
Search patents in H01M- Granted patents
- 1,040
- Published applications
- 1,523
- Assignees
- 362
- Inventors
- 2,450
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 4 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 4 | 10 |
| 2002 | 9 | 18 |
| 2003 | 16 | 24 |
| 2004 | 16 | 56 |
| 2005 | 11 | 66 |
| 2006 | 20 | 64 |
| 2007 | 21 | 68 |
| 2008 | 19 | 72 |
| 2009 | 29 | 57 |
| 2010 | 45 | 67 |
| 2011 | 44 | 50 |
| 2012 | 51 | 47 |
| 2013 | 49 | 36 |
| 2014 | 53 | 37 |
| 2015 | 33 | 54 |
| 2016 | 23 | 46 |
| 2017 | 40 | 46 |
| 2018 | 44 | 64 |
| 2019 | 47 | 64 |
| 2020 | 55 | 70 |
| 2021 | 69 | 76 |
| 2022 | 62 | 96 |
| 2023 | 95 | 133 |
| 2024 | 52 | 72 |
| 2025 | 69 | 67 |
| 2026 | 42 | 63 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Fuel cell vehicle and controlling method thereof6 Oct 2026US 12,752,668 B2Hyundai Motor Company
- Power management system6 Oct 2026US 12,756,197 B2Techwin Co., Ltd.
- Electric energy managing system and method thereof29 Sep 2026US 12,746,853 B2Industrial Technology Research Institute
- High-temperature anion-exchange membrane fuel cell15 Sep 2026US 12,738,518 B2Technion Research & Development Foundation Limited
- Method of controlling a cooling fan for a fuel cell stack8 Sep 2026US 12,731,802 B2Hyundai Motor Company
- Fuel Cell System8 Oct 2026US 2026/0312096 A1Hyundai Motor Company
- High-temperature fuel cell system and method of operating it1 Oct 2026US 2026/0302279 A1Cellcentric GmbH & Co. KG
- Solid polymer fuel battery activation method1 Oct 2026US 2026/0302286 A1Honda Motor Co., Ltd.
- Control device for fuel cell system and control method therefor1 Oct 2026US 2026/0302943 A1Honda Motor Co., Ltd.
- Method for boosting a redox flow battery, a membrane device, a membrane stack, and a system to perform said method24 Sep 2026US 2026/0290869 A1Aquabattery B.V.
Most cited
By later US patents
- Power supply apparatus220US 6,882,131 B1Matsushita Electric Industrial Co., Ltd. · 2005
- Power supply system and electronic device196US 7,538,451 B2Sony Corporation · 2009
- Power supply apparatus with fuel cell and method of controlling the same162US 7,883,808 B2Hitachi, Ltd. · 2011
- Fuel cell power generation system138US 5,658,681 AAisin Aw Co., Ltd. · 1997
- Method and system for controlling output of fuel cell power generator135US 5,637,414 AFuji Electric Co., Ltd. · 1997