B60L 50/61
By batteries charged by engine-driven generators
Official title: by batteries charged by engine-driven generators, e.g. series hybrid electric vehicles
B60L50/61 (By batteries charged by engine-driven generators) appears on 2,867 US grants and 3,167 published applications in this corpus.
Search patents in B60L- Granted patents
- 2,867
- Published applications
- 3,167
- Assignees
- 671
- Inventors
- 5,121
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 7 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 2 | 0 |
| 1982 | 4 | 0 |
| 1983 | 0 | 0 |
| 1984 | 3 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 1 | 0 |
| 1992 | 8 | 0 |
| 1993 | 8 | 0 |
| 1994 | 16 | 0 |
| 1995 | 13 | 0 |
| 1996 | 20 | 0 |
| 1997 | 14 | 0 |
| 1998 | 38 | 0 |
| 1999 | 41 | 0 |
| 2000 | 42 | 0 |
| 2001 | 39 | 24 |
| 2002 | 42 | 49 |
| 2003 | 39 | 46 |
| 2004 | 40 | 80 |
| 2005 | 41 | 80 |
| 2006 | 58 | 100 |
| 2007 | 65 | 92 |
| 2008 | 72 | 151 |
| 2009 | 81 | 194 |
| 2010 | 106 | 237 |
| 2011 | 153 | 195 |
| 2012 | 192 | 205 |
| 2013 | 219 | 212 |
| 2014 | 163 | 209 |
| 2015 | 199 | 203 |
| 2016 | 171 | 128 |
| 2017 | 135 | 103 |
| 2018 | 130 | 82 |
| 2019 | 94 | 121 |
| 2020 | 92 | 102 |
| 2021 | 87 | 109 |
| 2022 | 112 | 125 |
| 2023 | 90 | 114 |
| 2024 | 83 | 81 |
| 2025 | 90 | 73 |
| 2026 | 40 | 52 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Control system for a hybrid vehicle with a dual voltage direct current bus6 Oct 2026US 12,752,640 B2Deere & Company
- Actual machine management device, and actual machine management system6 Oct 2026US 12,753,580 B2Kobelco Construction Machinery Co., Ltd.
- Method of controlling towing mode of eco-friendly vehicle15 Sep 2026US 12,735,023 B2Hyundai Motor Company
- System controller for series hybrid powertrain1 Sep 2026US RE51,020 E1Zunum Aero, Inc.
- Controlling thermal energy from vehicle regenerative braking25 Aug 2026US 12,715,302 B2Jaguar Land Rover Limited
- Operating modes of an electric crane8 Oct 2026US 2026/0307509 A1
- Hybrid power supply1 Oct 2026US 2026/0293811 A1Briggs & Stratton Corporation
- Extending range of a robotic electric vehicle1 Oct 2026US 2026/0296219 A1Textron Systems Corporation
- Mobile battery and/or a battery hybrid mobile electrical power supply for electric powered drill rig1 Oct 2026US 2026/0296223 A1Sandvik Mining and Construction USA, LLC
- Control device, moving object, control method, and storage medium1 Oct 2026US 2026/0296269 A1Honda Motor Co., Ltd.
Most cited
By later US patents
- Autonomous lawn mower445US 5,204,814 AMobot, Inc. · 1993
- Hybrid vehicle with battery charge control relative to a driving route352US 5,778,326 AKabushikikaisha Equos Research · 1998
- Control system and method for electric vehicle349US 6,885,920 B2Oshkosh Truck Corporation · 2005
- System and method for powering a vehicle using radio frequency generators348US 7,451,839 B2Rearden, LLC · 2008
- Battery powered electric vehicle and electrical supply system331US 5,642,270 AWavedriver Limited · 1997