B60K 6/44
Series-parallel type
B60K6/44 (Series-parallel type) appears on 5,154 US grants and 5,691 published applications in this corpus.
Search patents in B60K- Granted patents
- 5,154
- Published applications
- 5,691
- Assignees
- 522
- Inventors
- 5,724
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 3 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 10 | 0 |
| 1997 | 3 | 0 |
| 1998 | 22 | 0 |
| 1999 | 38 | 0 |
| 2000 | 35 | 0 |
| 2001 | 42 | 34 |
| 2002 | 61 | 79 |
| 2003 | 75 | 86 |
| 2004 | 60 | 112 |
| 2005 | 74 | 164 |
| 2006 | 120 | 173 |
| 2007 | 161 | 224 |
| 2008 | 132 | 257 |
| 2009 | 163 | 413 |
| 2010 | 184 | 321 |
| 2011 | 233 | 218 |
| 2012 | 348 | 212 |
| 2013 | 284 | 280 |
| 2014 | 282 | 294 |
| 2015 | 322 | 338 |
| 2016 | 272 | 377 |
| 2017 | 340 | 365 |
| 2018 | 321 | 321 |
| 2019 | 316 | 296 |
| 2020 | 268 | 204 |
| 2021 | 228 | 245 |
| 2022 | 239 | 225 |
| 2023 | 179 | 171 |
| 2024 | 136 | 105 |
| 2025 | 122 | 112 |
| 2026 | 72 | 65 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Electrical hybridization of hydromechanical variable transmission6 Oct 2026US 12,752,618 B2Dana Italia S.R.L.
- Electrified military vehicle22 Sep 2026US 12,741,527 B1Oshkosh Defense, LLC
- Electric machine shift and engine start coordination8 Sep 2026US 12,728,834 B2Fca US LLC
- Drive train for a vehicle1 Sep 2026US 12,722,621 B2Oshkosh Defense, LLC
- Method for operating a vehicle and for decoupling a hybrid drive train from an energy supply of the vehicle25 Aug 2026US 12,715,278 B2Audi AG
- Hybrid drive device17 Sep 2026US 2026/0274061 A1Aisin Corporation
- Powertrain assembly for electric vehicle10 Sep 2026US 2026/0264504 A1ZF Friedrichshafen AG
- Hybrid power system and vehicle10 Sep 2026US 2026/0264664 A1Chery Automobile Co., Ltd.
- Hybrid power system and vehicle including the same27 Aug 2026US 2026/0249677 A1BYD Company Limited
- Drive apparatus for vehicle20 Aug 2026US 2026/0241782 A1Toyota Jidosha Kabushiki Kaisha
Most cited
By later US patents
- Strategy to use an on-board navigation system for electric and hybrid electric vehicle energy management292US 6,487,477 B1Ford Global Technologies, LLC · 2002
- Hybrid vehicle289US 6,209,672 B1Paice LLC · 2001
- Hybrid car with electric and heat engine279US 4,351,405 AHybricon Corporation · 1982
- Two-mode, compound-split electro-mechanical vehicular transmission260US 5,931,757 AGeneral Motors Corporation · 1999
- Control apparatus for engine/electric hybrid vehicle250US 4,335,429 ADaihatsu Motor Co., Ltd. · 1982