B60L 15/02
Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles
Official title: characterised by the form of the current used in the control circuit
B60L15/02 (Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles) appears on 986 US grants and 1,031 published applications in this corpus.
Search patents in B60L- Granted patents
- 986
- Published applications
- 1,031
- Assignees
- 298
- Inventors
- 1,865
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 5 | 0 |
| 1978 | 7 | 0 |
| 1979 | 3 | 0 |
| 1980 | 3 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 3 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 4 | 0 |
| 1995 | 3 | 0 |
| 1996 | 4 | 0 |
| 1997 | 11 | 0 |
| 1998 | 12 | 0 |
| 1999 | 16 | 0 |
| 2000 | 13 | 0 |
| 2001 | 18 | 2 |
| 2002 | 11 | 19 |
| 2003 | 14 | 13 |
| 2004 | 13 | 11 |
| 2005 | 10 | 16 |
| 2006 | 13 | 21 |
| 2007 | 14 | 17 |
| 2008 | 18 | 39 |
| 2009 | 16 | 35 |
| 2010 | 25 | 35 |
| 2011 | 37 | 25 |
| 2012 | 30 | 21 |
| 2013 | 24 | 29 |
| 2014 | 22 | 42 |
| 2015 | 37 | 52 |
| 2016 | 50 | 59 |
| 2017 | 56 | 45 |
| 2018 | 49 | 38 |
| 2019 | 42 | 45 |
| 2020 | 37 | 44 |
| 2021 | 30 | 45 |
| 2022 | 46 | 66 |
| 2023 | 63 | 68 |
| 2024 | 78 | 118 |
| 2025 | 84 | 81 |
| 2026 | 48 | 45 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Systems and methods for active discharge for inverter for electric vehicle22 Sep 2026US 12,745,369 B2BorgWarner US Technologies LLC
- Electronic control circuit for electric regenerative power take-off and operation method thereof15 Sep 2026US 12,734,900 B2Addvolt, S.A.
- Aeronautical propulsion system25 Aug 2026US 12,715,593 B2Evolito LTD
- Method for pulse heating power battery of electric vehicle and electric vehicle18 Aug 2026US 12,709,193 B2Huawei Digital Power Technologies Co., Ltd.
- Systems and methods for tilt propellers with tilt actuator gearbox and integrated inverter18 Aug 2026US 12,709,379 B2Archer Aviation Inc.
- Systems and methods for rotor assemblies and manufacturing thereof1 Oct 2026US 2026/0296634 A1Archer Aviation Inc.
- Signal generation circuit, drive circuit, power conversion device, and vehicle24 Sep 2026US 2026/0285165 A1Rohm Co., Ltd.
- Rotor Having a DC-To-DC Converter for an Electric Machine24 Sep 2026US 2026/0291344 A1Bayerische Motoren Werke Aktiengesellschaft
- Tilt rotor systems and methods for evtol aircraft17 Sep 2026US 2026/0274397 A1Archer Aviation Inc.
- Power supply with series-connected ac machine and load or battery with ac output10 Sep 2026US 2026/0264540 A1Cummins Inc.
Most cited
By later US patents
- Control system and method for electric vehicle349US 6,885,920 B2Oshkosh Truck Corporation · 2005
- Powered skateboard318US 6,050,357 AEMPower Corporation · 2000
- System and method for braking in an electric vehicle298US 7,848,857 B2Oshkosh Corporation · 2010
- Failure mode operation for an electric vehicle285US 7,302,320 B2Oshkosh Truck Corporation · 2007
- Failure mode operation for an electric vehicle257US 8,000,850 B2Oshkosh Truck Corporation · 2011