B60K 6/38
Characterised by the driveline clutches
Official title: characterised by the driveline clutches (shift clutches within the gearing or transmission B60K6/36)
B60K6/38 (Characterised by the driveline clutches) appears on 2,965 US grants and 3,316 published applications in this corpus.
Search patents in B60K- Granted patents
- 2,965
- Published applications
- 3,316
- Assignees
- 460
- Inventors
- 4,545
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 4 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 4 | 0 |
| 1995 | 2 | 0 |
| 1996 | 5 | 0 |
| 1997 | 7 | 0 |
| 1998 | 14 | 0 |
| 1999 | 9 | 0 |
| 2000 | 19 | 0 |
| 2001 | 27 | 12 |
| 2002 | 29 | 32 |
| 2003 | 28 | 26 |
| 2004 | 22 | 24 |
| 2005 | 25 | 35 |
| 2006 | 23 | 43 |
| 2007 | 33 | 50 |
| 2008 | 23 | 55 |
| 2009 | 35 | 65 |
| 2010 | 43 | 75 |
| 2011 | 35 | 74 |
| 2012 | 66 | 71 |
| 2013 | 84 | 126 |
| 2014 | 114 | 111 |
| 2015 | 141 | 225 |
| 2016 | 155 | 265 |
| 2017 | 240 | 223 |
| 2018 | 183 | 240 |
| 2019 | 227 | 259 |
| 2020 | 249 | 240 |
| 2021 | 246 | 283 |
| 2022 | 268 | 280 |
| 2023 | 200 | 219 |
| 2024 | 166 | 110 |
| 2025 | 149 | 97 |
| 2026 | 79 | 76 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Electric transmission with friction clutch disengagement device6 Oct 2026US 12,752,616 B2Dana Automotive Systems Group, LLC
- Electrical hybridization of hydromechanical variable transmission6 Oct 2026US 12,752,618 B2Dana Italia S.R.L.
- Hybrid electric vehicle and method of driving control for same29 Sep 2026US 12,746,908 B2Hyundai Motor Company
- Electrified military vehicle22 Sep 2026US 12,741,527 B1Oshkosh Defense, LLC
- Hybrid power unit and hybrid vehicle15 Sep 2026US 12,734,875 B2Tvs Motor Company Limited
- Power export system for a military vehicle8 Oct 2026US 2026/0307475 A1Oshkosh Defense, LLC
- Electric transmission with friction clutch disengagement device1 Oct 2026US 2026/0296174 A1Dana Automotive Systems Group, LLC
- Housing for a vehicle and vehicle with such a housing24 Sep 2026US 2026/0291319 A1ZF Friedrichshafen AG
- Hybrid module for a hybrid drive train of a motor vehicle17 Sep 2026US 2026/0274060 A1ZF Friedrichshafen AG
- Hybrid drive device17 Sep 2026US 2026/0274061 A1Aisin Corporation
Most cited
By later US patents
- Hybrid electric vehicle510US 5,343,970 A1994
- 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
- Hybrid vehicle drive system having clutch between engine and synthesizing/distributing mechanism which is operatively connected to motor/generator235US 5,856,709 AToyota Jidosha Kabushiki Kaisha · 1999