B60L 9/00
Electric propulsion with power supply external to the vehicle
Official title: Electric propulsion with power supply external to the vehicle (electric propulsion for monorail vehicles, suspension vehicles or rack railways B60L13/00; in combination with batteries or fuel cells within the vehicle B60L50/53)
B60L9/00 (Electric propulsion with power supply external to the vehicle) appears on 792 US grants and 889 published applications in this corpus.
Search patents in B60L- Granted patents
- 792
- Published applications
- 889
- Assignees
- 316
- Inventors
- 1,827
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 4 | 0 |
| 1978 | 3 | 0 |
| 1979 | 4 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 5 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 6 | 0 |
| 1988 | 4 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 5 | 0 |
| 1992 | 4 | 0 |
| 1993 | 4 | 0 |
| 1994 | 9 | 0 |
| 1995 | 4 | 0 |
| 1996 | 9 | 0 |
| 1997 | 7 | 0 |
| 1998 | 4 | 0 |
| 1999 | 5 | 0 |
| 2000 | 4 | 0 |
| 2001 | 6 | 2 |
| 2002 | 5 | 10 |
| 2003 | 8 | 7 |
| 2004 | 2 | 4 |
| 2005 | 3 | 18 |
| 2006 | 6 | 18 |
| 2007 | 11 | 16 |
| 2008 | 9 | 17 |
| 2009 | 14 | 23 |
| 2010 | 12 | 31 |
| 2011 | 32 | 28 |
| 2012 | 10 | 31 |
| 2013 | 25 | 40 |
| 2014 | 35 | 67 |
| 2015 | 39 | 55 |
| 2016 | 52 | 34 |
| 2017 | 43 | 44 |
| 2018 | 38 | 70 |
| 2019 | 45 | 61 |
| 2020 | 47 | 43 |
| 2021 | 47 | 54 |
| 2022 | 36 | 52 |
| 2023 | 25 | 45 |
| 2024 | 58 | 61 |
| 2025 | 48 | 34 |
| 2026 | 32 | 24 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B60L 9/16Electric propulsion with power supply external to the vehicle: using ac induction421
- B60L 9/02Electric propulsion with power supply external to the vehicle: using dc motors97
- B60L 9/005Interference suppression47
- B60L 9/32Electric propulsion with power supply external to the vehicle: using ac brush3
Recent patents
- On-ground aircraft service system6 Oct 2026US 12,752,934 B2Pratt & Whitney Canada Corp.
- Power supply of a detection unit22 Sep 2026US 12,741,546 B2Schunk Transit Systems GmbH
- AC/DC substation configurable between charging and powering modes8 Sep 2026US 12,728,735 B2Caterpillar Inc.
- Electrical architecture for battery powered machine25 Aug 2026US 12,715,310 B2Caterpillar Inc.
- Power feeder18 Aug 2026US 12,712,386 B2Daifuku Co., Ltd.
- Operating modes of an electric crane8 Oct 2026US 2026/0307509 A1
- Powertrain with differential protection function, method, and electric vehicle27 Aug 2026US 2026/0249710 A1Huawei Digital Power Technologies Co., Ltd.
- Method and system for cooling a traction component of a rail vehicle27 Aug 2026US 2026/0249890 A1Siemens Mobility GmbH
- Electric vehicle control device and electric vehicle control system20 Aug 2026US 2026/0241800 A1Mitsubishi Electric Corporation
- Power supply system for railway vehicles20 Aug 2026US 2026/0246271 A1Mitsubishi Electric Corporation
Most cited
By later US patents
- Non-contact power distribution system323US 5,898,579 AAuckland Uniservices Limited · 1999
- Autonomous vehicle for working on a surface and method of controlling same320US 4,962,453 ATransitions Research Corporation · 1990
- 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
- Control system and method for electric vehicle255US 7,277,782 B2Oshkosh Truck Corporation · 2007