B60L 15/20
Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles
Official title: for control of the vehicle or its driving motor to achieve a desired performance, e.g. speed, torque, programmed variation of speed
B60L15/20 (Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles) appears on 6,802 US grants and 8,042 published applications in this corpus.
Search patents in B60L- Granted patents
- 6,802
- Published applications
- 8,042
- Assignees
- 1,605
- Inventors
- 13,010
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 6 | 0 |
| 1978 | 10 | 0 |
| 1979 | 2 | 0 |
| 1980 | 8 | 0 |
| 1981 | 4 | 0 |
| 1982 | 8 | 0 |
| 1983 | 4 | 0 |
| 1984 | 9 | 0 |
| 1985 | 6 | 0 |
| 1986 | 7 | 0 |
| 1987 | 12 | 0 |
| 1988 | 9 | 0 |
| 1989 | 7 | 0 |
| 1990 | 5 | 0 |
| 1991 | 11 | 0 |
| 1992 | 11 | 0 |
| 1993 | 18 | 0 |
| 1994 | 41 | 0 |
| 1995 | 35 | 0 |
| 1996 | 33 | 0 |
| 1997 | 37 | 0 |
| 1998 | 70 | 0 |
| 1999 | 57 | 0 |
| 2000 | 64 | 0 |
| 2001 | 57 | 31 |
| 2002 | 85 | 82 |
| 2003 | 74 | 110 |
| 2004 | 85 | 106 |
| 2005 | 73 | 102 |
| 2006 | 70 | 116 |
| 2007 | 72 | 124 |
| 2008 | 94 | 182 |
| 2009 | 84 | 178 |
| 2010 | 106 | 243 |
| 2011 | 168 | 230 |
| 2012 | 203 | 288 |
| 2013 | 258 | 398 |
| 2014 | 317 | 455 |
| 2015 | 429 | 510 |
| 2016 | 418 | 473 |
| 2017 | 391 | 317 |
| 2018 | 386 | 386 |
| 2019 | 343 | 375 |
| 2020 | 299 | 354 |
| 2021 | 294 | 396 |
| 2022 | 309 | 490 |
| 2023 | 333 | 497 |
| 2024 | 475 | 606 |
| 2025 | 529 | 585 |
| 2026 | 373 | 408 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B60L 15/2009For braking1,820
- B60L 15/2045For optimising the use of energy1,472
- B60L 15/2054By controlling transmissions or clutches932
- B60L 15/2036Electric differentials675
- B60L 15/2072For drive off240
- B60L 15/2063For creeping82
- B60L 15/209For overtaking41
- B60L 15/30With means to change over to human control34
Recent patents
- System and method for allocating battery power for electric vehicles with a disconnect clutch6 Oct 2026US 12,752,622 B2Ford Global Technologies, LLC
- Vehicle control device6 Oct 2026US 12,752,634 B2Mitsubishi Jidosha Kogyo Kabushiki Kaisha
- Techniques for estimating active electric motor damping torque for electrified vehicles6 Oct 2026US 12,752,635 B2Fca US LLC
- Battery electric vehicle and control device6 Oct 2026US 12,752,636 B2Toyota Jidosha Kabushiki Kaisha
- Battery electric vehicle6 Oct 2026US 12,752,637 B2Toyota Jidosha Kabushiki Kaisha
- Disconnector control apparatus and method for supporting driving, and vehicle and storage medium including same8 Oct 2026US 2026/0307477 A1Hyundai Motor Company
- Drive Force Control Method and Drive Force Control Device8 Oct 2026US 2026/0307479 A1Nissan Motor Co., Ltd.
- Advanced gated shifter for vehicle manual and automatic transmission emulation8 Oct 2026US 2026/0307481 A1Adeia Guides Inc.
- Torque control method and system for all-wheel distributed vehicle8 Oct 2026US 2026/0307497 A1Schaeffler Technologies AG & Co. KG
- Drive system for work machine8 Oct 2026US 2026/0307502 A1Nabtesco Corporation
Most cited
By later US patents
- Voltage converter control apparatus, and method1,440US 7,199,537 B2Toyota Jidosha Kabushiki Kaisha · 2007
- Apparatus, method and article for physical security of power storage devices in vehicles1,063US 8,560,147 B2Gogoro Inc. · 2013
- Apparatus, method and article for authentication, security and control of power storage devices, such as batteries1,019US 9,182,244 B2Gogoro Inc. · 2015
- Apparatus and method of compensating for motor velocity of fuel cell vehicle1,018US 9,233,610 B2Hyundai Motor Company · 2016
- Autonomous lawn mower445US 5,204,814 AMobot, Inc. · 1993