B60K 6/28
Characterised by the electric energy storing means
Official title: characterised by the electric energy storing means, e.g. batteries or capacitors
B60K6/28 (Characterised by the electric energy storing means) appears on 1,121 US grants and 1,351 published applications in this corpus.
Search patents in B60K- Granted patents
- 1,121
- Published applications
- 1,351
- Assignees
- 385
- Inventors
- 2,776
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 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 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 4 | 0 |
| 1995 | 2 | 0 |
| 1996 | 4 | 0 |
| 1997 | 2 | 0 |
| 1998 | 5 | 0 |
| 1999 | 9 | 0 |
| 2000 | 6 | 0 |
| 2001 | 13 | 7 |
| 2002 | 14 | 24 |
| 2003 | 15 | 10 |
| 2004 | 18 | 9 |
| 2005 | 8 | 11 |
| 2006 | 4 | 14 |
| 2007 | 6 | 19 |
| 2008 | 12 | 25 |
| 2009 | 11 | 38 |
| 2010 | 21 | 34 |
| 2011 | 22 | 40 |
| 2012 | 23 | 27 |
| 2013 | 34 | 16 |
| 2014 | 25 | 18 |
| 2015 | 19 | 22 |
| 2016 | 25 | 48 |
| 2017 | 29 | 78 |
| 2018 | 45 | 56 |
| 2019 | 68 | 155 |
| 2020 | 91 | 201 |
| 2021 | 143 | 168 |
| 2022 | 157 | 102 |
| 2023 | 111 | 57 |
| 2024 | 91 | 61 |
| 2025 | 49 | 59 |
| 2026 | 34 | 52 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
- Control system for on-vehicle battery231US 5,939,861 AHino Jidosha Kogyo Kabushiki Kaisha · 1999
- Integrated cranking inverter and boost converter for a series hybrid drive system214US 5,589,743 AGeneral Electric Company · 1996
- Electric car drive system provided with hybrid battery and control method208US 5,780,980 AHitachi, Ltd. · 1998
- Method and apparatus for power electronics and control of plug-in hybrid propulsion with fast energy storage185US 7,740,092 B2AFS Trinity Power Corporation · 2010
- Hybrid power generation and energy storage system185US 8,099,198 B2Echogen Power Systems, LLC · 2012