B60K 6/20
The prime-movers consisting of electric motors and internal combustion engines
Official title: the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
B60K6/20 (The prime-movers consisting of electric motors and internal combustion engines) appears on 13,647 US grants and 15,022 published applications in this corpus.
Search patents in B60K- Granted patents
- 13,647
- Published applications
- 15,022
- Assignees
- 1,574
- Inventors
- 16,652
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 2 | 0 |
| 1978 | 8 | 0 |
| 1979 | 7 | 0 |
| 1980 | 5 | 0 |
| 1981 | 6 | 0 |
| 1982 | 11 | 0 |
| 1983 | 7 | 0 |
| 1984 | 8 | 0 |
| 1985 | 6 | 0 |
| 1986 | 9 | 0 |
| 1987 | 4 | 0 |
| 1988 | 3 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 4 | 0 |
| 1992 | 16 | 0 |
| 1993 | 11 | 0 |
| 1994 | 32 | 0 |
| 1995 | 20 | 0 |
| 1996 | 38 | 0 |
| 1997 | 35 | 0 |
| 1998 | 86 | 0 |
| 1999 | 116 | 0 |
| 2000 | 114 | 0 |
| 2001 | 155 | 88 |
| 2002 | 246 | 264 |
| 2003 | 246 | 245 |
| 2004 | 214 | 297 |
| 2005 | 205 | 359 |
| 2006 | 263 | 367 |
| 2007 | 298 | 490 |
| 2008 | 263 | 533 |
| 2009 | 306 | 715 |
| 2010 | 405 | 732 |
| 2011 | 444 | 631 |
| 2012 | 642 | 591 |
| 2013 | 691 | 730 |
| 2014 | 693 | 696 |
| 2015 | 765 | 858 |
| 2016 | 705 | 857 |
| 2017 | 792 | 832 |
| 2018 | 743 | 888 |
| 2019 | 831 | 978 |
| 2020 | 818 | 931 |
| 2021 | 843 | 815 |
| 2022 | 819 | 711 |
| 2023 | 597 | 517 |
| 2024 | 461 | 375 |
| 2025 | 427 | 291 |
| 2026 | 218 | 231 |
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
- Saddle-ride motorcycle of scooter type with hybrid propulsion6 Oct 2026US 12,752,617 B2PIAGGIO & C. S. p. A.
- 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
- Power export system for a military vehicle8 Oct 2026US 2026/0307475 A1Oshkosh Defense, LLC
- Method of mounting a battery pack in a vehicle1 Oct 2026US 2026/0296161 A1
- Electric transmission with friction clutch disengagement device1 Oct 2026US 2026/0296174 A1Dana Automotive Systems Group, LLC
- Vehicle1 Oct 2026US 2026/0296175 A1Toyota Jidosha Kabushiki Kaisha
- Hybrid vehicle1 Oct 2026US 2026/0296397 A1Isuzu Motors Limited
Most cited
By later US patents
- Variable current limit control for vehicle electric drive system1,604US 6,492,785 B1Deere & Company · 2002
- Hybrid electric vehicle510US 5,343,970 A1994
- System and method for powering a hydraulic pump357US 8,997,904 B2General Electric Company · 2015
- Hybrid vehicle with battery charge control relative to a driving route352US 5,778,326 AKabushikikaisha Equos Research · 1998
- Hydrocarbon combustion power generation system with CO2 sequestration337US 6,389,814 B1Clean Energy Systems, Inc. · 2002