B60L 58/40
Methods or circuit arrangements for monitoring or controlling batteries or fuel cells
Official title: for controlling a combination of batteries and fuel cells
B60L58/40 (Methods or circuit arrangements for monitoring or controlling batteries or fuel cells) appears on 1,021 US grants and 1,351 published applications in this corpus.
Search patents in B60L- Granted patents
- 1,021
- Published applications
- 1,351
- Assignees
- 358
- Inventors
- 2,188
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 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 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 6 | 0 |
| 1999 | 2 | 0 |
| 2000 | 5 | 0 |
| 2001 | 3 | 4 |
| 2002 | 7 | 14 |
| 2003 | 6 | 44 |
| 2004 | 20 | 28 |
| 2005 | 21 | 28 |
| 2006 | 28 | 44 |
| 2007 | 20 | 39 |
| 2008 | 21 | 36 |
| 2009 | 26 | 54 |
| 2010 | 30 | 64 |
| 2011 | 60 | 45 |
| 2012 | 44 | 68 |
| 2013 | 52 | 45 |
| 2014 | 45 | 64 |
| 2015 | 45 | 60 |
| 2016 | 48 | 62 |
| 2017 | 68 | 48 |
| 2018 | 60 | 63 |
| 2019 | 51 | 42 |
| 2020 | 45 | 33 |
| 2021 | 30 | 50 |
| 2022 | 48 | 73 |
| 2023 | 38 | 95 |
| 2024 | 52 | 100 |
| 2025 | 78 | 83 |
| 2026 | 52 | 65 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Fuel cell system and fuel cell vehicle6 Oct 2026US 12,752,643 B2Kabushiki Kaisha Toyota Jidoshokki
- Fuel cell power control system and method6 Oct 2026US 12,755,994 B2Hyundai Motor Cpompany
- Cooling circuit for vehicles operated by means of fuel cells29 Sep 2026US 12,746,851 B2Ford Global Technologies, LLC
- Energy management method, system, computer device and readable storage medium29 Sep 2026US 12,746,852 B2The Hong Kong Polytechnic University
- Electric energy managing system and method thereof29 Sep 2026US 12,746,853 B2Industrial Technology Research Institute
- Advanced power electronic circuit for fuel cell vehicles enabling independent cooling of various systems8 Oct 2026US 2026/0307542 A1Ford Global Technologies, LLC
- Fuel cell system8 Oct 2026US 2026/0312094 A1Aisan Kogyo Kabushiki Kaisha
- Fuel cell control system24 Sep 2026US 2026/0290862 A1Honda Motor Co., Ltd.
- Fuel cell system and control method thereof17 Sep 2026US 2026/0279862 A1Honda Motor Co., Ltd.
- Work vehicle10 Sep 2026US 2026/0264572 A1Kubota Corporation
Most cited
By later US patents
- Control system and method for electric vehicle349US 6,885,920 B2Oshkosh Truck Corporation · 2005
- System and method for minimizing energy consumption in hybrid vehicles285US 7,013,205 B1International Business Machines Corporation · 2006
- Failure mode operation for an electric vehicle285US 7,302,320 B2Oshkosh Truck Corporation · 2007
- Failure mode operation for an electric vehicle257US 8,000,850 B2Oshkosh Truck Corporation · 2011
- Method for generating electrical power from fuel cell powered cars parked in a conventional parking lot252US 5,767,584 AGRoW International Corp. · 1998